Spectral tempering to model non-stationary covariance of nitrous oxide emissions from soil using continuous or categorical explanatory variables at a landscape scale

Haskard, K. A., Welham, S. J. and Lark, R. M. 2010. Spectral tempering to model non-stationary covariance of nitrous oxide emissions from soil using continuous or categorical explanatory variables at a landscape scale. Geoderma. 159, pp. 358-370. https://doi.org/10.1016/j.geoderma.2010.08.012

Related outputs

How Tillage System Affects the Soil Carbon Dioxide Emission and Wheat Plants Physiological State

A - Papers appearing in refereed journals

Sawinska, Z., Radzikowska-Kujawska, D., Blecharczyk, A., Switek, S., Piechota, T., Cieslak, A., Cardenas, L. M., Louro-Lopez, A., Gregory, A. S., Coleman, K. and Lark, R. M. 2024. How Tillage System Affects the Soil Carbon Dioxide Emission and Wheat Plants Physiological State. Agronomy. 14 (10), p. 2220. https://doi.org/10.3390/agronomy14102220

Doctoral training to support sustainable soil geochemistry research in Africa

A - Papers appearing in refereed journals

Kangara, G., Ligowe, I. S., Kaninga, B., Nalivata, P., Kabambe, V., Mbewe, E., Chishala, B. H., Sakala, G. M., Mapfumo, P., Mtambanengwe, F., Tendayi, T., Murwira, A., Chilimba, A. D. C., Phiri, F. P., Ander, E. L., Bailey, E. H., Lark, R. M., Millar, K., Watts, M. J., Young, S. D. and Broadley, M. 2024. Doctoral training to support sustainable soil geochemistry research in Africa. Interface Focus. 14, p. 20230058. https://doi.org/10.1098/rsfs.2023.0058

Exploration of data for analysis using boundary line methodology

A - Papers appearing in refereed journals

Miti, C., Milne, A. E., Giller, K. E., Sadras, V. O. and Lark, R. M. 2024. Exploration of data for analysis using boundary line methodology. Computers and Electronics in Agriculture. 219, p. 108794. https://doi.org/10.1016/j.compag.2024.108794

Urine Se concentration poorly predicts plasma Se concentration at sub-district scales in Zimbabwe, limiting its value as a biomarker of population Se status

A - Papers appearing in refereed journals

Mutonhodza, B., Dembedza, M. P., Joy, E., Kangara, G., Njovo, H., Nyadzayo, T. K., Lark, R. M., Kalimbira, A. A., Bailey, E. H., Broadley, M., Matsungo, T. M. and Chopera, P. 2024. Urine Se concentration poorly predicts plasma Se concentration at sub-district scales in Zimbabwe, limiting its value as a biomarker of population Se status. Frontiers in Nutrition. p. 1288748. https://doi.org/10.3389/fnut.2024.1288748

The Concepts and quantification of yield gap using boundary lines. A review

A - Papers appearing in refereed journals

Miti, C., Milne, A. E., Giller, K. E. and Lark, R. M. 2024. The Concepts and quantification of yield gap using boundary lines. A review. Field Crops Research. 311 (1 May), p. 109365. https://doi.org/10.1016/j.fcr.2024.109365

Landscape and Micronutrient Fertilizer Effect on Agro-Fortified Wheat and Teff Grain Nutrient Concentration in Western Amhara.

A - Papers appearing in refereed journals

Kangara, G., Amede, T., Bailey, E. H., Wilson, L., Mossa, A. W., Tirfessa, D., Desta, M. K., Asrat, T. G., Agegnehu, G., Sida, T. S., Desta, G., Amare, T., Alemayehu, B., Haefele, S. M., Lark, R. M., Broadley, M. and Gameda, S. 2023. Landscape and Micronutrient Fertilizer Effect on Agro-Fortified Wheat and Teff Grain Nutrient Concentration in Western Amhara. Agronomy. 13 (10), p. 2598. https://doi.org/10.3390/agronomy13102598

Wheat and teff grain mineral micronutrient concentration and field data from GeoNutrition on-farm field experiments in Western Amhara region, Ethiopia

N - Datasets

Manzeke-Kangara, M.G., Amede, T., Bailey, E.H., Wilson, L., Mossa, A.W., Tirfessa, D., Kebede-Desta, M., Gashaw-Asrat, T., Agegnehu, G., Sida, T.S., Desta, G., Amare, T., Alemayehu, B., Haefele, S. M., Lark, R. M., Broadley, M. and Gameda, S. 2023. Wheat and teff grain mineral micronutrient concentration and field data from GeoNutrition on-farm field experiments in Western Amhara region, Ethiopia. Rothamsted Research. https://doi.org/10.23637/rothamsted.98y40

Micronutrients and socio-demographic factors were major predictors of anaemia among the Ethiopian population

A - Papers appearing in refereed journals

Belay, A., Joy, E., Lark, R. M., Ander, E. L., Young, S. D., Bailey, E. H., Broadley, M. and Gashu, D. 2023. Micronutrients and socio-demographic factors were major predictors of anaemia among the Ethiopian population. British Journal Of Nutrition. 130 (12), p. 2123–2135. https://doi.org/10.1017/S0007114523001472

A pilot survey of selenium status and its geospatial variation among children and women in three rural districts of Zimbabwe

A - Papers appearing in refereed journals

Mutonhodza, B., Chagumaira, C., Dembedza, M. P., Joy, E., Manzeke-Kangara, M. G., Njovo, H., Nyadzayo, T. K., Lark, R. M., Kalimbira, A. A., Bailey, E. H., Broadley, M. R., Matsungo, T. M. and Chopera, P. 2023. A pilot survey of selenium status and its geospatial variation among children and women in three rural districts of Zimbabwe. Frontiers in Nutrition. 10, p. 1235113. https://doi.org/10.3389/fnut.2023.1235113

Do agronomic approaches aligned to regenerative agriculture improve the micronutrient concentrations of edible portions of crops? A scoping review of evidence

A - Papers appearing in refereed journals

Kangara, G., Joy, E. J. M., Lark, R. M., Redfern, S., Eilander, A. and Broadley, M. 2023. Do agronomic approaches aligned to regenerative agriculture improve the micronutrient concentrations of edible portions of crops? A scoping review of evidence. Frontiers in Nutrition. 10, p. 1078667. https://doi.org/10.3389/fnut.2023.1078667

Genotypic Response of Finger Millet to Zinc and Iron Agronomic Biofortification, Location and Slope Position towards Yield

A - Papers appearing in refereed journals

Teklu, D., Gashu, D., Joy, E., Lark, R. M., Bailey, E., Wilson, L., Amede, T. and Broadley, M. 2023. Genotypic Response of Finger Millet to Zinc and Iron Agronomic Biofortification, Location and Slope Position towards Yield. Agronomy. 13 (6), p. 1452. https://doi.org/10.3390/agronomy13061452

Impact of zinc and iron agronomic biofortification on grain mineral concentration of finger millet varieties as affected by location and slope

A - Papers appearing in refereed journals

Teklu, D., Gashu, D., Joy, E., Lark, R. M., Bailey, E. H., Wilson, L., Amede, T. and Broadley, M. 2023. Impact of zinc and iron agronomic biofortification on grain mineral concentration of finger millet varieties as affected by location and slope. Frontiers in Nutrition. 10 (5 May), p. 1159833. https://doi.org/10.3389/fnut.2023.1159833

Anemia in children aged 6-59 months was significantly associated with maternal anemia status in rural Zimbabwe.

A - Papers appearing in refereed journals

Mutonhodza, B., Dembedza, M. P., Lark, R. M., Joy, E. J. M., Manzeke-Kangara, M. G., Njovo, H., Nyadzayo, T. K., Kalimbira, A. A., Bailey, E. H., Broadley, M., Matsungo, T. M. and Chopera, P. 2022. Anemia in children aged 6-59 months was significantly associated with maternal anemia status in rural Zimbabwe. Food Science and Nutrition. https://doi.org/10.1002/fsn3.3157

Selenium Concentration in Cattle Serum and Fodder from Two Areas in Ethiopia with Contrasting Human Selenium Concentration

A - Papers appearing in refereed journals

Hailu, K., Gashu, D., Joy, E., Alonso, S., Gizaw, S., Gameda, S., Ander, E. L., Bailey, E., Wilson, L., Lark, R. M., Kumssa, D. B. and Broadley, M. 2022. Selenium Concentration in Cattle Serum and Fodder from Two Areas in Ethiopia with Contrasting Human Selenium Concentration. Frontiers in Bioscience -Landmark. 27 (7), p. 200. https://doi.org/10.31083/j.fbl2707200

Linkages between soil, crop, livestock, and human selenium status in Sub-Saharan Africa: a scoping review.

A - Papers appearing in refereed journals

Mutonhodza, B., Joy, E., Bailey, E., Lark, R. M., Kangara, G., Broadley, M., Matsungo, T. M. and Chopera, P. 2022. Linkages between soil, crop, livestock, and human selenium status in Sub-Saharan Africa: a scoping review. International Journal of Food Science and Technology. 57 (10), pp. 6336-6349. https://doi.org/10.1111/ijfs.15979

Agronomic biofortification increases grain zinc concentration of maize grown under contrasting soil types in Malawi

A - Papers appearing in refereed journals

Botoman, L., Chimungu, J. G., Bailey, E. H., Munthali, M. W., Ander, E. L., Mossa, A., Young, S. D., Broadley, M., Lark, R. M. and Nalivata, P. C. 2022. Agronomic biofortification increases grain zinc concentration of maize grown under contrasting soil types in Malawi. Plant Direct. 6 (11), p. e458. https://doi.org/10.1002/pld3.458

Estimates of Dietary Mineral Micronutrient Supply from Staple Cereals in Ethiopia at a District Level

A - Papers appearing in refereed journals

Abdu, A. O., Kumssa, D. B., Joy, E., Groote, H. D., Lark, R. M., Broadley, M. and Gashu, D. 2022. Estimates of Dietary Mineral Micronutrient Supply from Staple Cereals in Ethiopia at a District Level. Nutrients. 14 (17), p. 3469. https://doi.org/10.3390/nu14173469

Decisions, uncertainty and spatial information

A - Papers appearing in refereed journals

Lark, R. M., Chagumaira, C. and Milne, A. E. 2022. Decisions, uncertainty and spatial information. Spatial Statistics. 50, p. 100619. https://doi.org/10.1016/j.spasta.2022.100619

Cereal grain mineral micronutrient and soil chemistry data from GeoNutrition surveys in Ethiopia and Malawi

A - Papers appearing in refereed journals

Kumssa, D. B., Mossa, A. W., Amede, T., Ander, E. L., Botoman, E. H. B., Chagumaira, C., Chimungu, J. G., Davies, K. G., Gameda, S., Haefele, S. M., Hailu, K., Joy, E. J. M., Lark, R. M., Ligowe, I. S., McGrath, S. P., Milne, A. E., Muleya, P., Munthal, M., Towett, E., Walsh, M. G., Wilson, L., D.Young, S., Haji, I. R., Broadley, M., Gashu, D. and Nalivata, P. C. 2022. Cereal grain mineral micronutrient and soil chemistry data from GeoNutrition surveys in Ethiopia and Malawi. Scientific Data. 9 (1), p. 443. https://doi.org/10.1038/s41597-022-01500-5

Sub-sampling a large physical soil archive for additional analyses to support spatial mapping; a pre-registered experiment in the Southern Nations, Nationalities, and Peoples Region (SNNPR) of Ethiopia

A - Papers appearing in refereed journals

Alemu, R., Gelaw, A. M., Gashu, D., Tafere, K., Mossa, A. W., Bailey, E. H., Masters, W. A., Broadley, M. and Lark, R. M. 2022. Sub-sampling a large physical soil archive for additional analyses to support spatial mapping; a pre-registered experiment in the Southern Nations, Nationalities, and Peoples Region (SNNPR) of Ethiopia. Geoderma. 424 (15 Oct), p. 116013. https://doi.org/10.1016/j.geoderma.2022.116013

Soil and landscape factors influence geospatial variation in maize grain zinc concentration in Malawi

A - Papers appearing in refereed journals

Botoman, L., Chagumaira, C., Mossa, A. W., Amede, T., Ander, E. L., Bailey, E. H., Chimungu, J. G., Gameda, S., Gashu, D., Haefele, S. M., Joy, E. J. M., Kumssa, D. B., Ligowe, I. S., McGrath, S. P., Milne, A. E., Munthali, M., Towett, E., Walsh, M. G., Wilson, L., Young, S. D., Broadley, M. R., Lark, R. M. and Nalivata, P. C. 2022. Soil and landscape factors influence geospatial variation in maize grain zinc concentration in Malawi. Scientific Reports. 12, p. 7986. https://doi.org/10.1038/s41598-022-12014-w

Mineral micronutrient status and spatial distribution among the Ethiopian population

A - Papers appearing in refereed journals

Belay, A., Gashu, D., Joy, E. J. M., Lark, R. M., Chagumaira, M. R. L., Zerfu, D., Ander, L. E., Young, S. D., Bailey, E. H. and Broadley, M. 2022. Mineral micronutrient status and spatial distribution among the Ethiopian population. British Journal Of Nutrition. 128 (11), pp. 2170-2180. https://doi.org/10.1017/S0007114522000319

Stakeholder interpretation of probabilistic representations of uncertainty in spatial information an example on the nutritional quality of staple

A - Papers appearing in refereed journals

Chagumaira, C., Nalivata, P. C., Chimungu, J. G., Gashu, D., Broadley, M., Milne, A. E. and Lark, R. M. 2022. Stakeholder interpretation of probabilistic representations of uncertainty in spatial information an example on the nutritional quality of staple. International Journal Of Geographical Information Science. 36 (12), pp. 2446-2472. https://doi.org/10.1080/13658816.2021.2020278

The nutritional quality of cereals varies geospatially in Ethiopia and Malawi

A - Papers appearing in refereed journals

Gashu, D., Nalivata, P. C., Amede, T., Ander, E. L., Bailey, E. H., Botoman, L., Chagumaira, C., Gameda, S., Haefele, S. M., Hailu, K., Joy, E. J. M., Kalimbira, A. A., Kumssa, D. B., Lark, R. M., Ligowe, I. S., McGrath, S. P., Milne, A. E., Mossa, A. W., Munthali, M., Towett, E. K., Walsh, M. G., Wilson, L., Young, S. D. and Broadley, M. R. 2021. The nutritional quality of cereals varies geospatially in Ethiopia and Malawi. Nature. 594, pp. 71-76. https://doi.org/10.1038/s41586-021-03559-3

Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia

A - Papers appearing in refereed journals

Milne, A. E., Gashu, D., Lark, R. M., Ameded, T., Bailey, E. H., Chagumaira, C., Dunham, S. J., Gameda, S., Kumssa, D. B., Mossa, A. W., Walsh, M. G., Wilson, L., Young, S. D., Ander, E. L., Joy, M. R. B. ., McGrath, S. P. and Broadley, M. 2020. Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia. Science of the Total Environment. 733, p. 139231. https://doi.org/10.1016/j.scitotenv.2020.139231

Electrophysiologically and behaviourally active semiochemicals identified from bed bug refuge substrate

A - Papers appearing in refereed journals

Birkett, M. A., Weeks, E. N. I., Logan, J. G., Caulfield, J. C., Gazan, S. A., Welham, S. J., Brugman, V. A., Pickett, J. A. and Cameron, M. M. 2020. Electrophysiologically and behaviourally active semiochemicals identified from bed bug refuge substrate. Scientific Reports. (10), p. article 4590. https://doi.org/10.1038/s41598-020-61368-6

Analysis of variance in soil research: Examining the assumptions

A - Papers appearing in refereed journals

Webster, R. and Lark, R. M. 2019. Analysis of variance in soil research: Examining the assumptions. European Journal of Soil Science. 70 (5), pp. 990-1000. https://doi.org/10.1111/ejss.12804

Analysis of variance in soil research : let the analysis fit the action

A - Papers appearing in refereed journals

Webster, R. and Lark, R. M. 2018. Analysis of variance in soil research : let the analysis fit the action. European Journal of Soil Science. 69 (1), pp. 216-139. https://doi.org/10.1111/ejss.12511

Meteorological and landscape influences on pollen beetle immigration into oilseed rape crops

A - Papers appearing in refereed journals

Skellern, M., Welham, S. J., Watts, N. P. and Cook, S. M. 2017. Meteorological and landscape influences on pollen beetle immigration into oilseed rape crops. Agriculture, Ecosystems & Environment. 241 (1 April), pp. 150-159. https://doi.org/10.1016/j.agee.2017.03.008

Distinct spatial dependency of carbon distribution between soil pools in grassland soil

A - Papers appearing in refereed journals

Cordova, C., Lark, R. M., Sohi, S. P. and Goulding, K. W. T. 2016. Distinct spatial dependency of carbon distribution between soil pools in grassland soil. Chilean Journal of Agricultural & Animal Sciences. 32 (Special issue 1), pp. 23-36. https://doi.org/N/A

Identification of environmentally stable QTL for resistance against Leptosphaeria maculans in oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Huang, Y. J., Jestin, C., Welham, S. J., King, G. J., Manzanares-Dauleux, M. J., Fitt, B. D. L. and Delourme, R. 2016. Identification of environmentally stable QTL for resistance against Leptosphaeria maculans in oilseed rape (Brassica napus). Theoretical and Applied Genetics. 129 (1), pp. 169-180. https://doi.org/10.1007/s00122-015-2620-z

Boundary line analysis of the effect of water-filled pore space on nitrous oxide emission from cores of arable soil

A - Papers appearing in refereed journals

Lark, R. M. and Milne, A. E. 2016. Boundary line analysis of the effect of water-filled pore space on nitrous oxide emission from cores of arable soil. European Journal of Soil Science. 67 (2), pp. 148-159. https://doi.org/10.1111/ejss.12318

Designing a sampling scheme to reveal correlations between weeds and soil properties at multiple spatial scales

A - Papers appearing in refereed journals

Metcalfe, H., Milne, A. E., Webster, R., Lark, R. M., Murdoch, A. J. and Storkey, J. 2016. Designing a sampling scheme to reveal correlations between weeds and soil properties at multiple spatial scales. Weed Research. 56 (1), pp. 1-13. https://doi.org/10.1111/wre.12184

Communicating the uncertainty in estimated greenhouse gas emissions from agriculture

A - Papers appearing in refereed journals

Milne, A. E., Glendining, M. J., Lark, R. M., Perryman, S. A. M., Gordon, T. and Whitmore, A. P. 2015. Communicating the uncertainty in estimated greenhouse gas emissions from agriculture. Journal of Environmental Management. 160, pp. 139-153. https://doi.org/10.1016/j.jenvman.2015.05.034

Statistical methods in biology: design and analysis of experiments and regression

E - Books edited/written by staff member, alone/with others

Welham, S. J., Gezan, S. A., Clark, S. J. and Mead, A. 2015. Statistical methods in biology: design and analysis of experiments and regression. CRC Press, Boca Raton, Florida.

Understanding the scale-dependence of the relations between soil conditions and weed density and the implications for precision management of weeds

A - Papers appearing in refereed journals

Metcalfe, H., Milne, A. E., Murdoch, A., Webster, R., Lark, R. M. and Storkey, J. 2014. Understanding the scale-dependence of the relations between soil conditions and weed density and the implications for precision management of weeds. Aspects of Applied Biology. 127, pp. 165-171.

Genetical and comparative genomics of Brassica under altered Ca supply identifies Arabidopsis Ca-transporter orthologs

A - Papers appearing in refereed journals

Graham, N. S., Hammond, J. P., Lysenko, A., Mayes, S., O Lochlainn, S., Blasco, B., Bowen, H. C., Rawlings, C. J., Rios, J. J., Welham, S. J., Carion, P. W. C., Dupuy, L. X., King, G. J., White, P. J. and Broadley, M. R. 2014. Genetical and comparative genomics of Brassica under altered Ca supply identifies Arabidopsis Ca-transporter orthologs. The Plant Cell. 26, pp. 2818-2830. https://doi.org/10.1105/tpc.114.128603

Optimized multi-phase sampling for soil remediation surveys

A - Papers appearing in refereed journals

Marchant, B. P., McBratney, A. B., Lark, R. M. and Minasny, B. 2013. Optimized multi-phase sampling for soil remediation surveys. Spatial Statistics. 4, pp. 1-13. https://doi.org/10.1016/j.spasta.2012.11.001

Hydroxamic acids in Aegilops species and effects on Rhopalosiphum padi behaviour and fecundity

A - Papers appearing in refereed journals

Elek, H., Smart, L. E., Martin, J. L., Ahmad, S., Gordon-Weeks, R., Anda, A., Welham, S. J., Werner, P. and Pickett, J. A. 2013. Hydroxamic acids in Aegilops species and effects on Rhopalosiphum padi behaviour and fecundity. Bulletin of Insectology. 66, pp. 213-220.

Spatial analysis of gilgai patterns

G - Articles in popular magazines and other technical publications

Webster, R., Milne, A. E. and Lark, R. M. 2013. Spatial analysis of gilgai patterns. Pedometron. 33, pp. 4-9.

Wavelet analysis of the variability of nitrous oxide emissions from soil at decameter to kilometer scales

A - Papers appearing in refereed journals

Milne, A. E., Haskard, K. A., Webster, C. P., Truan, I. A., Goulding, K. W. T. and Lark, R. M. 2013. Wavelet analysis of the variability of nitrous oxide emissions from soil at decameter to kilometer scales. Journal of Environmental Quality. 42, pp. 1070-1079. https://doi.org/10.2134/jeq2012.0007

A review of the effects of crop agronomy on the management of Alopecurus myosuroides

A - Papers appearing in refereed journals

Lutman, P. J. W., Moss, S. R., Cook, S. and Welham, S. J. 2013. A review of the effects of crop agronomy on the management of Alopecurus myosuroides. Weed Research. 53 (5), pp. 299-313. https://doi.org/10.1111/wre.12024

Using geostatistics to analyze prediction errors from a simulation model of sediment particle sizes across Tokyo Bay

A - Papers appearing in refereed journals

Orton, T. G., Lark, R. M. and Sasaki, J. 2013. Using geostatistics to analyze prediction errors from a simulation model of sediment particle sizes across Tokyo Bay. Journal Of Coastal Research. 29, pp. 145-156. https://doi.org/10.2112/JCOASTRES-D-12-00003.1

The potential of hydroxamic acids in tetraploid and hexaploid wheat varieties as resistance factors against the bird-cherry oat aphid, Rhopalosiphum padi

A - Papers appearing in refereed journals

Elek, H., Smart, L. E., Martin, J. L., Ahmad, S., Gordon-Weeks, R., Welham, S. J., Nadasy, M., Pickett, J. A. and Werner, C. P. 2013. The potential of hydroxamic acids in tetraploid and hexaploid wheat varieties as resistance factors against the bird-cherry oat aphid, Rhopalosiphum padi. Annals of Applied Biology - AAB. 162 (1), pp. 100-109. https://doi.org/10.1111/aab.12005

Field sampling for environmental science and management

E - Books edited/written by staff member, alone/with others

Webster, R. and Lark, R. M. 2013. Field sampling for environmental science and management. Routledge Abingdon.

Development of an integrated pest management strategy for control of pollen beetles in winter oilseed rape (HGCA Project Report No 504)

D1 - Technical reports: non-confidential

Cook, S. M., Doring, T. F., Ferguson, A. W., Martin, J. L., Skellern, M. P., Smart, L. E., Watts, N. P., Welham, S. J., Woodcock, C. M., Pickett, J. A., Bardsley, E., Bowman, J., Burns, S., Clarke, M., Davies, J., Gibbard, C., Johnen, A., Jennaway, R., Meredith, R., Murray, D., Nightingale, M., Padbury, N., Patrick, C., Von Richthofen, J-S., Taylor, P., Tait, M. and Werner, P. 2013. Development of an integrated pest management strategy for control of pollen beetles in winter oilseed rape (HGCA Project Report No 504). Kenilworth Home Grown Cereals Authority (HGCA).

Spatial prediction of soil organic carbon from data in large and variable spatial supports. II. Mapping temporal change

A - Papers appearing in refereed journals

Orton, T. G., Saby, N. P. A., Arrouays, D., Walter, C., Lemercier, B., Schvartz, C. and Lark, R. M. 2012. Spatial prediction of soil organic carbon from data in large and variable spatial supports. II. Mapping temporal change. Environmetrics. 23 (2), pp. 148-161. https://doi.org/10.1002/env.2134

Spatial prediction of soil organic carbon from data in large and variable spatial supports. I. Inventory and mapping

A - Papers appearing in refereed journals

Orton, T. G., Saby, N. P. A., Arrouays, D., Walter, C., Lemercier, B., Schvartz, C. and Lark, R. M. 2012. Spatial prediction of soil organic carbon from data in large and variable spatial supports. I. Inventory and mapping. Environmetrics. 23 (2), pp. 129-147. https://doi.org/10.1002/env.2136

Resolving the spatial variability of soil N using fractions of soil organic matter

A - Papers appearing in refereed journals

Cordova, C., Sohi, S. P., Lark, R. M., Goulding, K. W. T. and Robinson, J. S. 2012. Resolving the spatial variability of soil N using fractions of soil organic matter. Agriculture, Ecosystems & Environment. 147, pp. 66-72. https://doi.org/10.1016/j.agee.2011.06.016

A hypomethylated population of Brassica rapa for forward and reverse epi-genetics

A - Papers appearing in refereed journals

Amoah, S., Kurup, S., Rodriguez Lopez, C. M., Welham, S. J., Powers, S. J., Hopkins, C. J., Wilkinson, M. J. and King, G. J. 2012. A hypomethylated population of Brassica rapa for forward and reverse epi-genetics. BMC Plant Biology. 12, p. 193 (17pp). https://doi.org/10.1186/1471-2229-12-193

Using the NAG library to help analyse the variation in data from the environment

G - Articles in popular magazines and other technical publications

Milne, A. E. and Lark, R. M. 2012. Using the NAG library to help analyse the variation in data from the environment. NAG News. 110, p. http://www.nag.co.uk/IndustryArticles/nag_for_environment_research.pdf.

Three-point appraisal of genetic linkage maps

A - Papers appearing in refereed journals

Gilks, W. R., Welham, S. J., Wang, J., Clark, S. J. and King, G. J. 2012. Three-point appraisal of genetic linkage maps. Theoretical and Applied Genetics. 125, pp. 1393-1402. https://doi.org/10.1007/s00122-012-1920-9

Cost-effective sampling strategies for soil management (HGCA Project Report No. 485)

D1 - Technical reports: non-confidential

Marchant, B. P., Dailey, A. G. and Lark, R. M. 2012. Cost-effective sampling strategies for soil management (HGCA Project Report No. 485). Home Grown Cereals Authority (HGCA) Kenilworth.

Generic issues on broad-scale soil monitoring schemes: a review

A - Papers appearing in refereed journals

Arrouays, D., Marchant, B. P., Saby, N. P. A., Meersmans, J., Orton, T. G., Martin, M. P., Bellamy, P. H., Lark, R. M. and Kibblewhite, M. 2012. Generic issues on broad-scale soil monitoring schemes: a review. Pedosphere. 22 (4), pp. 456-469. https://doi.org/10.1016/S1002-0160(12)60031-9

The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom

A - Papers appearing in refereed journals

Bell, J. R., Taylor, M. S., Shortall, C. R., Welham, S. J. and Harrington, R. 2012. The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom. Global Ecology and Biogeography. 21 (4), pp. 405-415. https://doi.org/10.1111/j.1466-8238.2011.00685.x

Statistical methods for estimating petroleum resources

A - Papers appearing in refereed journals

Lark, R. M. 2011. Statistical methods for estimating petroleum resources. Journal of the Royal Statistical Society, Series A (Statistics in Society). 174, pp. 513-513. https://doi.org/10.1111/j.1467-985X.2010.00681_13.x

Spatially nested sampling schemes for spatial variance components: scope for their optimization

A - Papers appearing in refereed journals

Lark, R. M. 2011. Spatially nested sampling schemes for spatial variance components: scope for their optimization. Computers & Geosciences. 37, pp. 1633-1641. https://doi.org/10.1016/j.cageo.2010.12.010

Exploring the variation in soil saturated hydraulic conductivity under a tropical rainforest using the wavelet transform

A - Papers appearing in refereed journals

Hassler, S. K., Lark, R. M., Milne, A. E. and Elsenbeer, H. 2011. Exploring the variation in soil saturated hydraulic conductivity under a tropical rainforest using the wavelet transform. European Journal of Soil Science. 62 (6), pp. 891-901. https://doi.org/10.1111/j.1365-2389.2011.01400.x

Robust geostatistical prediction of trace elements across France

A - Papers appearing in refereed journals

Saby, N. P. A., Marchant, B. P., Lark, R. M., Jolivet, C. C. and Arrouays, D. 2011. Robust geostatistical prediction of trace elements across France. Geoderma. 162 (3-4), pp. 303-311. https://doi.org/10.1016/j.geoderma.2011.03.001

Wavelet analysis of soil variation at nanometre- to micrometre-scales: an example of organic carbon content in a micro-aggregate

A - Papers appearing in refereed journals

Milne, A. E., Lehmann, J., Solomon, D. and Lark, R. M. 2011. Wavelet analysis of soil variation at nanometre- to micrometre-scales: an example of organic carbon content in a micro-aggregate. European Journal of Soil Science. 62 (4), pp. 617-628. https://doi.org/10.1111/j.1365-2389.2011.01352.x

Spatial prediction of soil properties with copulas

A - Papers appearing in refereed journals

Marchant, B. P., Saby, N. P. A., Jolivet, C. C., Arrouays, D. and Lark, R. M. 2011. Spatial prediction of soil properties with copulas. Geoderma. 162, pp. 327-334. https://doi.org/10.1016/j.geoderma.2011.03.005

Pedometrics

A - Papers appearing in refereed journals

Lark, R. M. 2011. Pedometrics. European Journal of Soil Science. 62 (3), pp. 335-336. https://doi.org/10.1111/j.1365-2389.2011.01370.x

Regulatory hotspots are associated with plant gene expression under varying soil phosphorus supply in Brassica rapa

A - Papers appearing in refereed journals

Hammond, J. P., Mayes, S., Bowen, H. C., Graham, N. S., Hayden, R. M., Love, C. G., Spracklen, W. P., Wang, J., Welham, S. J., White, P. J., King, G. J. and Broadley, M. R. 2011. Regulatory hotspots are associated with plant gene expression under varying soil phosphorus supply in Brassica rapa. Plant Physiology. 156, pp. 1230-1241. https://doi.org/10.1104/pp.111.175612

Geostatistical prediction of nitrous oxide emissions from soil using data, process models and expert opinion

A - Papers appearing in refereed journals

Orton, T. G., Goulding, K. W. T. and Lark, R. M. 2011. Geostatistical prediction of nitrous oxide emissions from soil using data, process models and expert opinion. European Journal of Soil Science. 62 (3), pp. 359-370. https://doi.org/10.1111/j.1365-2389.2011.01367.x

Wavelet analysis of the correlations between soil properties and potential nitrous oxide emission at farm and landscape scales

A - Papers appearing in refereed journals

Milne, A. E., Haskard, K. A., Webster, C. P., Truan, I. A., Goulding, K. W. T. and Lark, R. M. 2011. Wavelet analysis of the correlations between soil properties and potential nitrous oxide emission at farm and landscape scales. European Journal of Soil Science. 62 (3), pp. 467-478. https://doi.org/10.1111/j.1365-2389.2011.01361.x

Effects of environment on stability of QTL for resistance to Leptosphaeria maculans on oilseed rape (Brassica napus)

C2 - Non-edited contributions to conferences

Huang, Y-J., Jestin, C., Welham, S. J., King, G. J., Fitt, B. D. L. and Delourme, R. 2010. Effects of environment on stability of QTL for resistance to Leptosphaeria maculans on oilseed rape (Brassica napus). Abstracts 17th Crucifer Genetics Workshop, Saskatoon, 5-8 September 2010 . pp. 124

Estimation of spatial trend and automatic model selection in augmented designs

A - Papers appearing in refereed journals

Kehel, Z., Habash, D. Z., Gezan, S. A., Welham, S. J. and Nachit, M. M. 2010. Estimation of spatial trend and automatic model selection in augmented designs. Agronomy Journal. 102, pp. 1542-1552. https://doi.org/10.2134/agronj2010.0175

Spectral tempering to model non-stationary variation of soil properties: sensitivity to the initial stationary model

A - Papers appearing in refereed journals

Haskard, K. A. and Lark, R. M. 2010. Spectral tempering to model non-stationary variation of soil properties: sensitivity to the initial stationary model. Geoderma. 159, pp. 350-357. https://doi.org/10.1016/j.geoderma.2010.08.011

Changes in soil pH across England and Wales in response to decreased acid deposition

A - Papers appearing in refereed journals

Kirk, G. J. D., Bellamy, P. H. and Lark, R. M. 2010. Changes in soil pH across England and Wales in response to decreased acid deposition. Global Change Biology. 16 (11), pp. 3111-3119. https://doi.org/10.1111/j.1365-2486.2009.02135.x

Investigating the effect of previous treatments on wheat biomass over multiple spatial frequencies

A - Papers appearing in refereed journals

Milne, A. E., Castellanos, M. T., Cartagena, M. C., Tarquis, A. M. and Lark, R. M. 2010. Investigating the effect of previous treatments on wheat biomass over multiple spatial frequencies. Biogeosciences. 7, pp. 2739-2747. https://doi.org/10.5194/bg-7-2739-2010

Some consequences of using the Horsfall-Barratt scale for hypothesis testing

A - Papers appearing in refereed journals

Bock, C. H., Gottwald, T. R., Parker, P. E., Ferrandino, F., Welham, S. J., Van Den Bosch, F. and Parnell, S. 2010. Some consequences of using the Horsfall-Barratt scale for hypothesis testing. Phytopathology. 100 (10), pp. 1030-1041. https://doi.org/10.1094/PHYTO-08-09-0220

A linear mixed model, with non-stationary mean and covariance, for soil potassium based on gamma radiometry

A - Papers appearing in refereed journals

Haskard, K. A., Rawlins, B. G. and Lark, R. M. 2010. A linear mixed model, with non-stationary mean and covariance, for soil potassium based on gamma radiometry. Biogeosciences. 7, pp. 2081-2089. https://doi.org/10.5194/bg-7-2081-2010

A comparison of analysis methods for late-stage variety evaluation trials

A - Papers appearing in refereed journals

Welham, S. J., Gogel, B. J., Smith, A. B., Thompson, R. and Cullis, B. R. 2010. A comparison of analysis methods for late-stage variety evaluation trials. Australian & New Zealand Journal of Statistics. 52 (2), pp. 125-149. https://doi.org/10.1111/j.1467-842X.2010.00570.x

To bite or not to bite! A questionnaire-based survey assessing why some people are bitten more than others by midges

A - Papers appearing in refereed journals

Logan, J. G., Cook, J. I., Stanczyk, N. M., Weeks, E. N. I., Welham, S. J. and Mordue (Luntz), A. J. 2010. To bite or not to bite! A questionnaire-based survey assessing why some people are bitten more than others by midges. BMC Public Health. 10, p. 275 (8pp). https://doi.org/10.1186/1471-2458-10-275

Two contrasting spatial processes with a common variogram: inference about spatial models from higher-order statistics

A - Papers appearing in refereed journals

Lark, R. M. 2010. Two contrasting spatial processes with a common variogram: inference about spatial models from higher-order statistics. European Journal of Soil Science. 61 (4), pp. 479-492. https://doi.org/10.1111/j.1365-2389.2010.01258.x

A variance shift model for detection of outliers in the linear mixed model

A - Papers appearing in refereed journals

Gumedze, F. N., Welham, S. J., Gogel, B. J. and Thompson, R. 2010. A variance shift model for detection of outliers in the linear mixed model. Computational Statistics & Data Analysis. 54 (9), pp. 2128-2144. https://doi.org/10.1016/j.csda.2010.03.019

Spectral and wavelet analysis of gilgai patterns from air photography

A - Papers appearing in refereed journals

Milne, A. E., Webster, R. and Lark, R. M. 2010. Spectral and wavelet analysis of gilgai patterns from air photography. Australian journal of soil research. 48, pp. 309-325. https://doi.org/10.1071/SR09189

The identification of a virulence factor-enriched micro-region in the Fusarium graminearum genome

C2 - Non-edited contributions to conferences

Hammond-Kosack, K. E., Antoniw, J. F., Freeman, A., Urban, M., Welham, S. J. and Beacham, A. 2010. The identification of a virulence factor-enriched micro-region in the Fusarium graminearum genome. Abstracts Fusarium Workshop, Amsterdam, 28-29 March 2010 .

Enhancing the value of field experimentation through whole-of-block designs

A - Papers appearing in refereed journals

Panten, K., Bramley, R. G. V., Lark, R. M. and Bishop, T. F. A. 2010. Enhancing the value of field experimentation through whole-of-block designs. Precision Agriculture. 11, pp. 198-213. https://doi.org/10.1007/s11119-009-9128-y

Robust analysis of soil properties at the national scale: cadmium content of French soils

A - Papers appearing in refereed journals

Marchant, B. P., Saby, N. P. A., Lark, R. M., Bellamy, P. H., Jolivet, C. C. and Arrouays, D. 2010. Robust analysis of soil properties at the national scale: cadmium content of French soils. European Journal of Soil Science. 61 (1), pp. 144-152. https://doi.org/10.1111/j.1365-2389.2009.01212.x

Sampling procedures for throughfall monitoring: a simulation study

A - Papers appearing in refereed journals

Zimmermann, B., Zimmermann, A., Lark, R. M. and Elsenbeer, H. 2010. Sampling procedures for throughfall monitoring: a simulation study. Water Resources Research. 46, p. W01503. https://doi.org/10.1029/2009WR007776

The relationship between diffuse spectral reflectance of the soil and its cation exchange capacity is scale-dependent

A - Papers appearing in refereed journals

Savvides, A., Corstanje, R., Baxter, S. J., Rawlins, B. G. and Lark, R. M. 2010. The relationship between diffuse spectral reflectance of the soil and its cation exchange capacity is scale-dependent. Geoderma. 154, pp. 353-358. https://doi.org/10.1016/j.geoderma.2009.11.007

Non-homogeneity of variance components from spatially nested sampling of the soil

A - Papers appearing in refereed journals

Lark, R. M. and Corstanje, R. 2009. Non-homogeneity of variance components from spatially nested sampling of the soil. European Journal of Soil Science. 60 (3), pp. 443-452. https://doi.org/10.1111/j.1365-2389.2009.01133.x

The GAMes aphids play

C2 - Non-edited contributions to conferences

Bell, J. R., Harrington, R., Welham, S. J., Clark, S. J. and Pickup, J. 2009. The GAMes aphids play. Abstracts 8th International Symposium on Aphids, Catania, 8-12 June 2009 .

Using advanced methods to reduce the cost of soil sampling: ideas for the future

G - Articles in popular magazines and other technical publications

Lark, R. M. and Marchant, B. P. 2009. Using advanced methods to reduce the cost of soil sampling: ideas for the future.

The Bayesian maximum entropy method for lognormal variables

A - Papers appearing in refereed journals

Orton, T. G. and Lark, R. M. 2009. The Bayesian maximum entropy method for lognormal variables. Stochastic Environmental Research and Risk Assessment. 23, pp. 319-328. https://doi.org/10.1007/s00477-008-0217-7

The wavelet packet transform: a technique for investigating temporal variation of river water solutes

A - Papers appearing in refereed journals

Milne, A. E., Macleod, C. J. A., Haygarth, P. M., Hawkins, J. M. B. and Lark, R. M. 2009. The wavelet packet transform: a technique for investigating temporal variation of river water solutes. Journal of Hydrology. 379 (1-2), pp. 1-19. https://doi.org/10.1016/j.jhydrol.2009.09.038

Some consequences of using the Horsfall-Barratt scale for estimating disease severity compared to nearest percent estimation

C2 - Non-edited contributions to conferences

Bock, C. H., Gottwald, T. R., Parker, P. E., Ferrandino, F., Welham, S. J., Van Den Bosch, F. and Parnell, S. R. 2009. Some consequences of using the Horsfall-Barratt scale for estimating disease severity compared to nearest percent estimation. Abstracts 10th International Epidemiological Workshop, Geneva, New York, 8-12 June 2009 .

Statistics and spatial heterogeneity

C2 - Non-edited contributions to conferences

Lark, R. M. 2009. Statistics and spatial heterogeneity. Abstracts Micro Soil: Integrating Biological, Physical and Chemical Techniques for the Study of Soil Micro-Habitats, Dundee, 16-17 September 2009 . pp. 11-13

Kriging a soil variable with a simple nonstationary variance model

A - Papers appearing in refereed journals

Lark, R. M. 2009. Kriging a soil variable with a simple nonstationary variance model. Journal of Agricultural Biological and Environmental Statistics. 14, pp. 301-321. https://doi.org/10.1198/jabes.2009.07060

Modelling non-stationary variance of soil properties by tempering an empirical spectrum

A - Papers appearing in refereed journals

Haskard, K. A. and Lark, R. M. 2009. Modelling non-stationary variance of soil properties by tempering an empirical spectrum. Geoderma. 153, pp. 18-28. https://doi.org/10.1016/j.geoderma.2009.07.006

Sampling and analytical plus subsampling variance components for five soil indicators observed at regional scale

A - Papers appearing in refereed journals

Rawlins, B. G., Scheib, A. J., Lark, R. M. and Lister, T. R. 2009. Sampling and analytical plus subsampling variance components for five soil indicators observed at regional scale. European Journal of Soil Science. 60 (5), pp. 740-747. https://doi.org/10.1111/j.1365-2389.2009.01159.x

Estimating the regional mean status and change of soil properties: two distinct objectives for soil survey

A - Papers appearing in refereed journals

Lark, R. M. 2009. Estimating the regional mean status and change of soil properties: two distinct objectives for soil survey. European Journal of Soil Science. 60 (5), pp. 748-756. https://doi.org/10.1111/j.1365-2389.2009.01156.x

Using measurements close to a detection limit in a geostatistical case study to predict selenium concentration in topsoil

A - Papers appearing in refereed journals

Orton, T. G., Rawlins, B. G. and Lark, R. M. 2009. Using measurements close to a detection limit in a geostatistical case study to predict selenium concentration in topsoil. Geoderma. 152, pp. 269-282. https://doi.org/10.1016/j.geoderma.2009.06.014

Wavelet transforms applied to irregularly sampled soil data

A - Papers appearing in refereed journals

Milne, A. E. and Lark, R. M. 2009. Wavelet transforms applied to irregularly sampled soil data. Mathematical geosciences. 41, pp. 661-678. https://doi.org/10.1007/s11004-009-9234-4

Spatial monitoring of a non-stationary soil property: phosphorus in a Florida water conservation area

A - Papers appearing in refereed journals

Marchant, B. P., Newman, S., Corstanje, R., Reddy, K. R., Osborne, T. Z. and Lark, R. M. 2009. Spatial monitoring of a non-stationary soil property: phosphorus in a Florida water conservation area. European Journal of Soil Science. 60 (5), pp. 757-769. https://doi.org/10.1111/j.1365-2389.2009.01158.x

A stochastic-geometric model of soil variation

A - Papers appearing in refereed journals

Lark, R. M. 2009. A stochastic-geometric model of soil variation. European Journal of Soil Science. 60 (4), pp. 706-719. https://doi.org/10.1111/j.1365-2389.2009.01152.x

Quantifying terrestrial carbon stocks: examining the spatial variation in two upland areas in the UK and a comparison to mapped estimates of soil carbon

A - Papers appearing in refereed journals

Frogbrook, Z. L., Bell, J., Bradley, R. I., Evans, C., Lark, R. M., Reynolds, B., Smith, P. and Towers, W. 2009. Quantifying terrestrial carbon stocks: examining the spatial variation in two upland areas in the UK and a comparison to mapped estimates of soil carbon. Soil Use and Management. 25 (3), pp. 320-332. https://doi.org/10.1111/j.1475-2743.2009.00232.x

A novel transcriptomic approach to identify candidate genes for grain quality traits in wheat

A - Papers appearing in refereed journals

Wan, Y., Toscano-Underwood, C., Toole, G., Skeggs, P., Zhu, T., Leverington, M., Griffiths, S., Wheeler, T., Gooding, M., Poole, R., Edwards, K. J., Gezan, S. A., Welham, S. J., Snape, J., Mills, E. N. C., Mitchell, R. A. C. and Shewry, P. R. 2009. A novel transcriptomic approach to identify candidate genes for grain quality traits in wheat. Plant Biotechnology Journal. 7 (5), pp. 401-410. https://doi.org/10.1111/j.1467-7652.2009.00405.x

A note on bimodality in the log-likelihood function for penalized spline mixed models

A - Papers appearing in refereed journals

Welham, S. J. and Thompson, R. 2009. A note on bimodality in the log-likelihood function for penalized spline mixed models. Computational Statistics & Data Analysis. 53 (4), pp. 920-931. https://doi.org/10.1016/j.csda.2008.10.031

Airborne radiometric survey data and a DTM as covariates for regional scale mapping of soil organic carbon across Northern Ireland

A - Papers appearing in refereed journals

Rawlins, B. G., Marchant, B. P., Smyth, D., Scheib, C., Lark, R. M. and Jordan, C. 2009. Airborne radiometric survey data and a DTM as covariates for regional scale mapping of soil organic carbon across Northern Ireland. European Journal of Soil Science. 60 (1), pp. 44-54. https://doi.org/10.1111/j.1365-2389.2008.01092.x

Compositional data analysis in the geosciences: From theory to practice

A - Papers appearing in refereed journals

Lark, R. M. 2008. Compositional data analysis in the geosciences: From theory to practice. Journal of the Royal Statistical Society, Series A (Statistics in Society). 171, pp. 313-314.

Controlling for competition in neighbouring field plots in a willow (Salix spp.) trial

A - Papers appearing in refereed journals

Gezan, S. A., Macalpine, W. J., Shield, I. F. and Welham, S. J. 2008. Controlling for competition in neighbouring field plots in a willow (Salix spp.) trial. Aspects of Applied Biology. 90, pp. 181-187.

Improving wheat for nutrition and processing

C1 - Edited contributions to conferences/learned societies

Shewry, P. R., Wan, Y., Wheeler, T., Gooding, M., Poole, R., Edwards, K. J., Mills, E. N. C., Skeggs, P., Gezan, S., Welham, S. J., Shenton, C., Zhu, T., Phillips, A. L., Jones, H. D., Li, L., Ward, J. L., Freeman, J., Nemeth, C. and Mitchell, R. A. C. 2008. Improving wheat for nutrition and processing. Molinacano, J. L. (ed.) Cereal Science and Technology for Feeding Ten Billion People: Genomics Era and Beyond. Proceedings of the Meeting of the Eucarpia Cereal Section, Lleida (Spain), 13-17 November 2006 . Options Mediterraneennes, Series A, No 81. pp. 249-252

Spatial variation of ammonia volatilization from soil and its scale-dependent correlation with soil properties

A - Papers appearing in refereed journals

Corstanje, R., Kirk, G. J. D., Pawlett, M., Read, R. and Lark, R. M. 2008. Spatial variation of ammonia volatilization from soil and its scale-dependent correlation with soil properties. European Journal of Soil Science. 59 (6), pp. 1260-1270. https://doi.org/10.1111/j.1365-2389.2008.01087.x

The behaviour of soil process models of ammonia volatilization at contrasting spatial scales

A - Papers appearing in refereed journals

Corstanje, R., Kirk, G. J. D. and Lark, R. M. 2008. The behaviour of soil process models of ammonia volatilization at contrasting spatial scales. European Journal of Soil Science. 59 (6), pp. 1271-1283. https://doi.org/10.1111/j.1365-2389.2008.01086.x

Reply to "Standardized vs. customary ordinary cokriging..." by A. Papritz

A - Papers appearing in refereed journals

Bishop, T. F. A. and Lark, R. M. 2008. Reply to "Standardized vs. customary ordinary cokriging..." by A. Papritz. Geoderma. 146, pp. 397-399. https://doi.org/10.1016/j.geoderma.2008.04.008

A comparison of parametric and non-parametric methods for modelling a coregionalization

A - Papers appearing in refereed journals

Bishop, T. F. A. and Lark, R. M. 2008. A comparison of parametric and non-parametric methods for modelling a coregionalization. Geoderma. 148, pp. 13-24. https://doi.org/10.1016/j.geoderma.2008.08.010

Can we predict the provenance of a soil sample for forensic purposes by reference to a spatial database?

A - Papers appearing in refereed journals

Lark, R. M. and Rawlins, B. G. 2008. Can we predict the provenance of a soil sample for forensic purposes by reference to a spatial database? European Journal of Soil Science. 59 (5), pp. 1000-1006. https://doi.org/10.1111/j.1365-2389.2008.01064.x

On effective linearity of soil process models

A - Papers appearing in refereed journals

Corstanje, R. and Lark, R. M. 2008. On effective linearity of soil process models. European Journal of Soil Science. 59 (5), pp. 990-999. https://doi.org/10.1111/j.1365-2389.2008.01046.x

Analysis of two variants of a spatially distributed crop model, using wavelet transforms and geostatistics

A - Papers appearing in refereed journals

Pringle, M. J., Marchant, B. P. and Lark, R. M. 2008. Analysis of two variants of a spatially distributed crop model, using wavelet transforms and geostatistics. Agricultural Systems. 98, pp. 135-146. https://doi.org/10.1016/j.agsy.2008.06.002

Digital soil mapping technologies for countries with sparse data infrastructures

B - Book chapters etc edited externally

Minasny, B. and Lark, R. M. 2008. Digital soil mapping technologies for countries with sparse data infrastructures. in: McBratney, A. B., Mendonca-Santos, M. deL. and Hartemink, A. E. (ed.) Digital soil mapping with limited data Springer, Heidelberg. pp. 15-30

Some results on the spatial breakdown point of robust point estimates of the variogram

A - Papers appearing in refereed journals

Lark, R. M. 2008. Some results on the spatial breakdown point of robust point estimates of the variogram. Mathematical geosciences. 40, pp. 729-751. https://doi.org/10.1007/s11004-008-9162-8

Mapping aerial metal deposition in metropolitan areas from tree bark: a case study in Sheffield, England

A - Papers appearing in refereed journals

Schelle, E., Rawlins, B. G., Lark, R. M., Webster, R., Staton, I. and Mcleod, C. W. 2008. Mapping aerial metal deposition in metropolitan areas from tree bark: a case study in Sheffield, England. Environmental Pollution. 155, pp. 164-173. https://doi.org/10.1016/j.envpol.2007.10.036

The effects of simple perturbations of a process model on the spatial variability of its output

A - Papers appearing in refereed journals

Pringle, M. J. and Lark, R. M. 2008. The effects of simple perturbations of a process model on the spatial variability of its output. Geoderma. 145, pp. 267-277. https://doi.org/10.1016/j.geoderma.2008.03.014

Science on the Normandy beaches: J. D. Bernal and the prediction of soil trafficability for Operation Overlord

G - Articles in popular magazines and other technical publications

Lark, R. M. 2008. Science on the Normandy beaches: J. D. Bernal and the prediction of soil trafficability for Operation Overlord. Soil Survey Horizons. 49, pp. 12-15.

Transcriptome analysis of grain development in hexaploid wheat

A - Papers appearing in refereed journals

Wan, Y., Poole, R. L., Huttly, A. K., Toscano-Underwood, C., Feeney, K., Welham, S. J., Gooding, M. J., Mills, C., Edwards, K. J., Shewry, P. R. and Mitchell, R. A. C. 2008. Transcriptome analysis of grain development in hexaploid wheat. BMC Genomics. 9, p. 121 (16pp). https://doi.org/10.1186/1471-2164-9-121

Spatial analysis of the error in a model of soil nitrogen

A - Papers appearing in refereed journals

Pringle, M. J., Baxter, S. J., Marchant, B. P. and Lark, R. M. 2008. Spatial analysis of the error in a model of soil nitrogen. Ecological Modelling. 211, pp. 453-467. https://doi.org/10.1016/j.ecolmodel.2007.09.021

Inferences from fluctuations in the local variogram about the assumption of stationarity in the variance

A - Papers appearing in refereed journals

Corstanje, R., Grunwald, S. and Lark, R. M. 2008. Inferences from fluctuations in the local variogram about the assumption of stationarity in the variance. Geoderma. 143, pp. 123-132. https://doi.org/10.1016/j.geoderma.2007.10.021

Estimation of linear models of coregionalization by residual maximum likelihood

A - Papers appearing in refereed journals

Marchant, B. P. and Lark, R. M. 2007. Estimation of linear models of coregionalization by residual maximum likelihood. European Journal of Soil Science. 58 (6), pp. 1506-1513. https://doi.org/10.1111/j.1365-2389.2007.00957.x

Scale- and location-dependent correlations of soil strength and the yield of wheat

A - Papers appearing in refereed journals

Pringle, M. J. and Lark, R. M. 2007. Scale- and location-dependent correlations of soil strength and the yield of wheat. Soil & Tillage Research. 95, pp. 47-60. https://doi.org/10.1016/j.still.2006.10.010

Accounting for the uncertainty in the local mean in spatial prediction by Bayesian Maximum Entropy

A - Papers appearing in refereed journals

Orton, T. G. and Lark, R. M. 2007. Accounting for the uncertainty in the local mean in spatial prediction by Bayesian Maximum Entropy. Stochastic Environmental Research and Risk Assessment. 21, pp. 773-784. https://doi.org/10.1007/s00477-006-0089-7

A landscape-scale experiment on the changes in available potassium over a winter wheat cropping season

A - Papers appearing in refereed journals

Bishop, T. F. A. and Lark, R. M. 2007. A landscape-scale experiment on the changes in available potassium over a winter wheat cropping season. Geoderma. 141, pp. 384-396. https://doi.org/10.1016/j.geoderma.2007.07.004

Understanding airborne radiometric survey signals across part of eastern England

A - Papers appearing in refereed journals

Rawlins, B. G., Lark, R. M. and Webster, R. 2007. Understanding airborne radiometric survey signals across part of eastern England. Earth Surface Processes And Landforms. 32, pp. 1503-1515. https://doi.org/10.1002/esp.1468

Scale-dependent relationships between soil organic carbon and urease activity

A - Papers appearing in refereed journals

Corstanje, R., Schulin, R. and Lark, R. M. 2007. Scale-dependent relationships between soil organic carbon and urease activity. European Journal of Soil Science. 58 (5), pp. 1087-1095. https://doi.org/10.1111/j.1365-2389.2007.00902.x

Transcriptome profiling of wheat genotypes differing in bread making quality under different environments

C2 - Non-edited contributions to conferences

Wan, Y., Mitchell, R. A. C., Leverington, M., Griffiths, S., Snape, J., Wheeler, T., Gooding, M., Poole, R., Edwards, K., Mills, C., Skeggs, P., Gezan, S., Welham, S. J., Shenton, C., Zhu, T. and Shewry, P. R. 2007. Transcriptome profiling of wheat genotypes differing in bread making quality under different environments. Abstracts 4th UK Small Grain Cereals Genetic and Genomics Workshop: From Genes to Traits, Cambridge, 14-16 March 2007 .

The Matern variogram model: implications for uncertainty propagation and sampling in geostatistical surveys

A - Papers appearing in refereed journals

Marchant, B. P. and Lark, R. M. 2007. The Matern variogram model: implications for uncertainty propagation and sampling in geostatistical surveys. Geoderma. 140, pp. 337-345. https://doi.org/10.1016/j.geoderma.2007.04.016

Robust estimation of the variogram by residual maximum likelihood

A - Papers appearing in refereed journals

Marchant, B. P. and Lark, R. M. 2007. Robust estimation of the variogram by residual maximum likelihood. Geoderma. 140, pp. 62-72. https://doi.org/10.1016/j.geoderma.2007.03.005

Environmental change and the phenology of European aphids

A - Papers appearing in refereed journals

Harrington, R., Clark, S. J., Welham, S. J., Verrier, P. J., Denholm, C. H., Hulle, M., Maurice, D., Rounsevell, M. D., Cocu, N. and European Union Examine Consortium 2007. Environmental change and the phenology of European aphids. Global Change Biology. 13 (8), pp. 1550-1564. https://doi.org/10.1111/j.1365-2486.2007.01394.x

Drought effects on yield and its components in Indian mustard (Brassica juncea L.)

A - Papers appearing in refereed journals

Chauhan, J. S., Tyagi, M. K., Kumar, A., Nashaat, N. I., Singh, M., Singh, N. B., Jakhar, M. L. and Welham, S. J. 2007. Drought effects on yield and its components in Indian mustard (Brassica juncea L.). Plant Breeding. 126 (4), pp. 399-402. https://doi.org/10.1111/j.1439-0523.2007.01394.x

An investigation of the multi-scale temporal variability of beach profiles at Duck using wavelet packet transforms

A - Papers appearing in refereed journals

Reeve, D., Li, Y., Lark, R. M. and Simmonds, D. 2007. An investigation of the multi-scale temporal variability of beach profiles at Duck using wavelet packet transforms. Coastal Engineering. 54, pp. 401-415. https://doi.org/10.1016/j.coastaleng.2006.11.008

Cokriging particle size fractions of the soil

A - Papers appearing in refereed journals

Lark, R. M. and Bishop, T. F. A. 2007. Cokriging particle size fractions of the soil. European Journal of Soil Science. 58 (3), pp. 763-774. https://doi.org/10.1111/j.1365-2389.2006.00866.x

Inference about soil variability from the structure of the best wavelet packer basis

A - Papers appearing in refereed journals

Lark, R. M. 2007. Inference about soil variability from the structure of the best wavelet packer basis. European Journal of Soil Science. 58 (3), pp. 822-831. https://doi.org/10.1111/j.1365-2389.2006.00872.x

Optimized sample schemes for geostatistical surveys

A - Papers appearing in refereed journals

Marchant, B. P. and Lark, R. M. 2007. Optimized sample schemes for geostatistical surveys. Mathematical geology. 39, pp. 113-134. https://doi.org/10.1007/s11004-006-9069-1

Using expert knowledge with control of false discovery rate to select regressors for prediction of soil properties

A - Papers appearing in refereed journals

Lark, R. M., Bishop, T. F. A. and Webster, R. 2007. Using expert knowledge with control of false discovery rate to select regressors for prediction of soil properties. Geoderma. 138 (1-2), pp. 65-78. https://doi.org/10.1016/j.geoderma.2006.10.015

A comparison of mixed model splines for curve fitting

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2007. A comparison of mixed model splines for curve fitting. Australian & New Zealand Journal of Statistics. 49 (1), pp. 1-23. https://doi.org/10.1111/j.1467-842X.2006.00454.x

Estimating the local mean for Bayesian maximum entropy by generalized least squares and maximum likelihood, and an application to the spatial analysis of a censored soil variable

A - Papers appearing in refereed journals

Orton, T. G. and Lark, R. M. 2007. Estimating the local mean for Bayesian maximum entropy by generalized least squares and maximum likelihood, and an application to the spatial analysis of a censored soil variable. European Journal of Soil Science. 58 (1), pp. 60-73. https://doi.org/10.1111/j.1365-2389.2006.00800.x

Spatial evaluation of pedotransfer functions using wavelet analysis

A - Papers appearing in refereed journals

Pringle, M. J., Romano, N., Minasny, B., Chirico, G. B. and Lark, R. M. 2007. Spatial evaluation of pedotransfer functions using wavelet analysis. Journal of Hydrology. 333, pp. 182-198. https://doi.org/10.1016/j.jhydrol.2006.08.007

Spatial covariation of Azotobacter abundance and soil properties: a case study using the wavelet transform

A - Papers appearing in refereed journals

Barnes, R. J., Baxter, S. J. and Lark, R. M. 2007. Spatial covariation of Azotobacter abundance and soil properties: a case study using the wavelet transform. Soil Biology and Biochemistry. 39, pp. 295-310. https://doi.org/10.1016/j.soilbio.2006.08.001

Multivariate spatial statistical analysis of longitudinal data in perennial crops

A - Papers appearing in refereed journals

De Resende, M. D. V., Thompson, R. and Welham, S. J. 2006. Multivariate spatial statistical analysis of longitudinal data in perennial crops. Revista de Matemática e Estatística, São Paulo,. 24 (1), pp. 147-169.

Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape

G - Articles in popular magazines and other technical publications

Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape. Outlooks on Pest Management. 17 (6), pp. 243-245. https://doi.org/10.1564/17dec02

A new method to estimate boundary models for biological datasets

C2 - Non-edited contributions to conferences

Milne, A. E. and Lark, R. M. 2006. A new method to estimate boundary models for biological datasets. Cambridge University Press (CUP). https://doi.org/10.1017/S0021859606006290

Using a process model and regression kriging to improve predictions of nitrous oxide emissions from soil

A - Papers appearing in refereed journals

Stacey, K. F., Lark, R. M., Whitmore, A. P. and Milne, A. E. 2006. Using a process model and regression kriging to improve predictions of nitrous oxide emissions from soil. Geoderma. 135, pp. 107-117. https://doi.org/10.1016/j.geoderma.2005.11.008

Adaptive sampling and reconnaissance surveys for geostatistical mapping of the soil

A - Papers appearing in refereed journals

Marchant, B. P. and Lark, R. M. 2006. Adaptive sampling and reconnaissance surveys for geostatistical mapping of the soil. European Journal of Soil Science. 57 (6), pp. 831-845. https://doi.org/10.1111/j.1365-2389.2005.00774.x

Baseline values and change in the soil, and implications for monitoring

A - Papers appearing in refereed journals

Lark, R. M., Bellamy, P. H. and Kirk, G. J. D. 2006. Baseline values and change in the soil, and implications for monitoring. European Journal of Soil Science. 57 (6), pp. 916-921. https://doi.org/10.1111/j.1365-2389.2006.00875.x

The representation of complex soil variation on wavelet packet bases

A - Papers appearing in refereed journals

Lark, R. M. 2006. The representation of complex soil variation on wavelet packet bases. European Journal of Soil Science. 57 (6), pp. 868-882. https://doi.org/10.1111/j.1365-2389.2005.00779.x

On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML

A - Papers appearing in refereed journals

Lark, R. M., Cullis, B. R. and Welham, S. J. 2006. On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML. European Journal of Soil Science. 57 (6), pp. 787-799. https://doi.org/10.1111/j.1365-2389.2005.00768.x

On testing biological data for the presence of a boundary

A - Papers appearing in refereed journals

Milne, A. E., Wheeler, H. C. and Lark, R. M. 2006. On testing biological data for the presence of a boundary. Annals of Applied Biology - AAB. 149 (2), pp. 213-222. https://doi.org/10.1111/j.1744-7348.2006.00085.x

Estimating a boundary line model for a biological response by maximum likelihood

A - Papers appearing in refereed journals

Milne, A. E., Ferguson, R. B. and Lark, R. M. 2006. Estimating a boundary line model for a biological response by maximum likelihood. Annals of Applied Biology - AAB. 149 (2), pp. 223-234. https://doi.org/10.1111/j.1744-7348.2006.00086.x

Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production

A - Papers appearing in refereed journals

Li, G. D., Helyar, K. R., Welham, S. J., Conyers, M. K., Castleman, L. J. C., Fisher, R. P., Evans, C. M., Cullis, B. R. and Cregan, P. D. 2006. Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production. Australian Journal of Agricultural Research. 57, pp. 1045-1055. https://doi.org/10.1071/AR05298

Issues concerning the design and analysis of comparative field experiments

A - Papers appearing in refereed journals

Welham, S. J. and Clark, S. J. 2006. Issues concerning the design and analysis of comparative field experiments. Outlooks on Pest Management. 17, pp. 175-180. https://doi.org/10.1564/17aug10

Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood

A - Papers appearing in refereed journals

Webster, R., Welham, S. J., Potts, J. M. and Oliver, M. A. 2006. Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood. Computers & Geosciences. 32, pp. 1320-1333. https://doi.org/10.1016/j.cageo.2005.12.002

The analysis of longitudinal data using mixed model L-splines

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2006. The analysis of longitudinal data using mixed model L-splines. Biometrics. 62 (2), pp. 392-401. https://doi.org/10.1111/j.1541-0420.2005.00500.x

Spatio-temporal variability of some metal concentrations in the soil of eastern England, and implications for soil monitoring

A - Papers appearing in refereed journals

Lark, R. M., Bellamy, P. H. and Rawlins, B. G. 2006. Spatio-temporal variability of some metal concentrations in the soil of eastern England, and implications for soil monitoring. Geoderma. 133, pp. 363-379. https://doi.org/10.1016/j.geoderma.2005.08.009

Major genetic changes in wheat with potential to affect disease tolerance

A - Papers appearing in refereed journals

Foulkes, M. J., Paveley, N. D., Worland, A., Welham, S. J., Thomas, J. and Snape, J. W. 2006. Major genetic changes in wheat with potential to affect disease tolerance. Phytopathology. 96, pp. 680-688. https://doi.org/10.1094/PHYTO-96-0680

The use of soil survey data to determine the magnitude and extent of historic metal deposition related to atmospheric smelter emissions across Humberside, UK

A - Papers appearing in refereed journals

Rawlins, B. G., Lark, R. M., Webster, R. and O'donnell, K. E. 2006. The use of soil survey data to determine the magnitude and extent of historic metal deposition related to atmospheric smelter emissions across Humberside, UK. Environmental Pollution. 143, pp. 416-426. https://doi.org/10.1016/j.envpol.2005.12.010

Geostatistical mapping of geomorphic variables in the presence of trend

A - Papers appearing in refereed journals

Lark, R. M. and Webster, R. 2006. Geostatistical mapping of geomorphic variables in the presence of trend. Earth Surface Processes And Landforms. 31 (7), pp. 862-874. https://doi.org/10.1002/esp.1296

The geostatistical analysis of experiments at the landscape-scale

A - Papers appearing in refereed journals

Bishop, T. F. A. and Lark, R. M. 2006. The geostatistical analysis of experiments at the landscape-scale. Geoderma. 133, pp. 87-106. https://doi.org/10.1016/j.geoderma.2006.03.039

Light leaf spot risk reduced due to "dry" winter

G - Articles in popular magazines and other technical publications

Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Light leaf spot risk reduced due to "dry" winter. RRA Newsletter. No. 21, p. 1.

Spatial analysis of model error, illustrated by soil carbon dioxide emissions

A - Papers appearing in refereed journals

Pringle, M. J. and Lark, R. M. 2006. Spatial analysis of model error, illustrated by soil carbon dioxide emissions. Vadose Zone Journal. 5, pp. 168-183. https://doi.org/10.2136/vzj2005.0015

Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365)

D1 - Technical reports: non-confidential

Welham, S. J., Thompson, R. and Sylvester-Bradley, R. 2005. Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365). Stoneleigh Home Grown Cereals Authority (HGCA).

The assessment of point and diffuse metal pollution of soils from an urban geochemical survey of Sheffield, England

A - Papers appearing in refereed journals

Rawlins, B. G., Lark, R. M., O'donnell, K. E., Tye, A. M. and Lister, T. R. 2005. The assessment of point and diffuse metal pollution of soils from an urban geochemical survey of Sheffield, England. Soil Use and Management. 21 (4), pp. 353-362. https://doi.org/10.1079/SUM2005335

Use of risk prediction models for integrated control of diseases of oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F., Papastamati, K., Van Den Bosch, F., Fitt, B. D. L., Gladders, P., Turner, J. A. and Elcock, S. 2005. Use of risk prediction models for integrated control of diseases of oilseed rape in the UK. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 649-654

Soil properties and pedometrics

B - Book chapters etc edited externally

Lark, R. M. 2005. Soil properties and pedometrics. in: UNESCO Encyclopaedia of life support systems (EOLSS) UNESCO (web-based publication). pp. http://www.eolss.net/

Multi-scale variability of beach profiles at Duck: a wavelet analysis

A - Papers appearing in refereed journals

Li, Y., Lark, R. M. and Reeve, D. 2005. Multi-scale variability of beach profiles at Duck: a wavelet analysis. Coastal Engineering. 52, pp. 1133-1153.

Spatial analysis of categorical soil variables with the wavelet transform

A - Papers appearing in refereed journals

Lark, R. M. 2005. Spatial analysis of categorical soil variables with the wavelet transform. European Journal of Soil Science. 56 (6), pp. 779-792. https://doi.org/10.1111/j.1365-2389.2005.00713.x

Carbon losses from all soils across England and Wales 1978-2003

A - Papers appearing in refereed journals

Bellamy, P. H., Loveland, P. J., Bradley, R. I., Lark, R. M. and Kirk, G. J. D. 2005. Carbon losses from all soils across England and Wales 1978-2003. Nature. 437 (7056), pp. 245-248. https://doi.org/10.1038/nature04038

Sensing the physical and nutritional status of the root environment in the field: a review of progress and opportunities

A - Papers appearing in refereed journals

Clark, L. J., Gowing, D. J. G., Lark, R. M., Leeds-Harrison, P. B., Miller, A. J., Wells, D. M., Whalley, W. R. and Whitmore, A. P. 2005. Sensing the physical and nutritional status of the root environment in the field: a review of progress and opportunities. The Journal of Agricultural Science. 143, pp. 347-358. https://doi.org/10.1017/S0021859605005253

Wavelet analysis of the scale- and location-dependent correlation of modelled and measured nitrous oxide emissions from soil

A - Papers appearing in refereed journals

Milne, A. E., Lark, R. M., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2005. Wavelet analysis of the scale- and location-dependent correlation of modelled and measured nitrous oxide emissions from soil. European Journal of Soil Science. 56 (1), pp. 3-17. https://doi.org/10.1111/j.1365-2389.2004.00650.x

Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001)

D1 - Technical reports: non-confidential

Harrington, R., Verrier, P. J., Denholm, C. H., Clarke, S. J., Welham, S. J., Maurice, D., Rounsevell, M., Cocu, N., Knight, J. and Hulle, M. 2004. Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001).

Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004)

A - Papers appearing in refereed journals

Semenov, M. A. and Welham, S. J. 2004. Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004). Climate Research. 28 (1), pp. 83-84. https://doi.org/10.3354/cr028083

A perspective on the measurement of time in plant disease epidemiology

A - Papers appearing in refereed journals

Lovell, D. J., Powers, S. J., Welham, S. J. and Parker, S. R. 2004. A perspective on the measurement of time in plant disease epidemiology. Plant Pathology. 53 (6), pp. 705-712. https://doi.org/10.1111/j.1365-3059.2004.01097.x

Development of the oilseed rape light leaf spot forecast: from model to mobile phone

A - Papers appearing in refereed journals

Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F. and Fitt, B. D. L. 2004. Development of the oilseed rape light leaf spot forecast: from model to mobile phone. Aspects of Applied Biology. 72, pp. 67-74.

Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information

A - Papers appearing in refereed journals

Welham, S. J., Turner, J. A., Gladders, P., Fitt, B. D. L., Evans, N. and Baierl, A. 2004. Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information. Plant Pathology. 53, pp. 713-724.

Analysing soil variation in two dimensions with the discrete wavelet transform

A - Papers appearing in refereed journals

Lark, R. M. and Webster, R. 2004. Analysing soil variation in two dimensions with the discrete wavelet transform. European Journal of Soil Science. 55 (4), pp. 777-797. https://doi.org/10.1111/j.1365-2389.2004.00630.x

Prediction in linear mixed models

A - Papers appearing in refereed journals

Welham, S. J., Cullis, B. R., Gogel, B., Gilmour, A. and Thompson, R. 2004. Prediction in linear mixed models. Australian & New Zealand Journal of Statistics. 46 (3), pp. 325-347. https://doi.org/10.1111/j.1467-842X.2004.00334.x

Tolerance of septoria leaf blotch in winter wheat

A - Papers appearing in refereed journals

Parker, S. R., Welham, S. J., Paveley, N. D., Foulkes, J. and Scott, R. K. 2004. Tolerance of septoria leaf blotch in winter wheat. Plant Pathology. 53 (1), pp. 1-10. https://doi.org/10.1111/j.1365-3059.2004.00951.x

Scale- and location-dependent correlation of nitrous oxide emissions with soil properties: an analysis using wavelets

A - Papers appearing in refereed journals

Lark, R. M., Milne, A. E., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2004. Scale- and location-dependent correlation of nitrous oxide emissions with soil properties: an analysis using wavelets. European Journal of Soil Science. 55 (3), pp. 611-627. https://doi.org/10.1111/j.1365-2389.2004.00620.x

Analysing spatially intermittent variation of nitrous oxide emissions from soil with wavelets and the implications for sampling

A - Papers appearing in refereed journals

Lark, R. M., Milne, A. E., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2004. Analysing spatially intermittent variation of nitrous oxide emissions from soil with wavelets and the implications for sampling. European Journal of Soil Science. 55 (3), pp. 601-610. https://doi.org/10.1111/j.1365-2389.2004.00629.x

An efficient computing strategy for prediction in mixed linear models

A - Papers appearing in refereed journals

Gilmour, A., Cullis, B. R., Welham, S. J., Gogel, B. and Thompson, R. 2004. An efficient computing strategy for prediction in mixed linear models. Computational Statistics & Data Analysis. 44 (4), pp. 571-586. https://doi.org/10.1016/S0167-9473(02)00258-X

Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Hunter, T., Welham, S. J. and Nichols, A. R. 2004. Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat. Plant Pathology. 53 (1), pp. 11-21. https://doi.org/10.1046/j.1365-3059.2003.00939.x

Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method

A - Papers appearing in refereed journals

Smith, J. U., Smith, P., Richter, G. M., Agostini, F. A. and Welham, S. J. 2003. Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method. European Journal of Soil Science. 54 (1), pp. 175-185. https://doi.org/10.1046/j.1365-2389.2003.00501.x

Multivariate spatial statistical analysis in perennial crops

C2 - Non-edited contributions to conferences

Vilela De Resende, M. D., Thompson, R., Welham, S. J. and Baierl, A. 2003. Multivariate spatial statistical analysis in perennial crops. Abstracts International Biometric Society British Region Conference, Reading, 16-18 September 2003 . pp. 70

Spatial aspects of light leaf spot (Pyrenopeziza brassicae ) epidemic development on winter oilseed rape (Brassica napus ) in the United Kingdom

A - Papers appearing in refereed journals

Evans, N., Baierl, A., Brain, P., Welham, S. J. and Fitt, B. D. L. 2003. Spatial aspects of light leaf spot (Pyrenopeziza brassicae ) epidemic development on winter oilseed rape (Brassica napus ) in the United Kingdom. Phytopathology. 93 (6), pp. 657-665. https://doi.org/10.1094/PHYTO.2003.93.6.657

Interactive forecasting of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape on the internet

C1 - Edited contributions to conferences/learned societies

Evans, N., Steed, J. M., Welham, S. J., Antoniw, J. F., Baierl, A., Turner, J. A., Gladders, P. and Fitt, B. D. L. 2003. Interactive forecasting of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape on the internet. Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1067-1069

Impacts of environmental change on aphids throughout Europe

C2 - Non-edited contributions to conferences

Harrington, R., Denholm, C. H., Verrier, P. J., Clark, S. J., Welham, S. J., Hulle, M., Maurice, D., Rounsevell, M., Cocu, N., Knight, J., Bell, N., Barbagallo, S., Basky, Z., Coceano, P. G., Derron, J., Katis, N., Lukasova, H., Marrkula, I., Mohar, J., Pickup, J., Rolot, J-L., Ruszkowska, M., Schliephake, E., Seco-Fernandez, M-V., Sigvald, R., Tsitsipis, J. and Ulber, B. 2003. Impacts of environmental change on aphids throughout Europe. Abstracts Integrated Biological Systems Conference, San Antonio, Texas, 14-16 April 2003 . pp. 39-40

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

C2 - Non-edited contributions to conferences

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2002. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Cambridge University Press (CUP).

Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics

C2 - Non-edited contributions to conferences

Denholm, C. H., Barbagallo, S., Basky, Z., Bell, J. N. B., Clark, S. J., Coceano, P-G., Cocu, N., Colucci, R., Derron, J., Ferrara, V., Gotlin Euljak, T., Harrington, R., Hatala Zseller, I., Hulle, M., Katis, N., Knight, J. D., Limonta, L., Lukasova, H., Markkula, I., Maurice, D., Mohar, J., Pickup, J., Rolot, J-L., Rounsevell, M. D. A., Ruszkowska, M., Schleiphake, E., Seco-Fernandez, M. V., Sigvald, R., Verrier, P. J. and Welham, S. J. 2002. Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 317

Improving and exploiting self-defence against wheat diseases

C1 - Edited contributions to conferences/learned societies

Parker, S. R., Paveley, N. D., Foulkes, M. J., Lovell, D. J., Welham, S. J. and Worland, A. J. 2002. Improving and exploiting self-defence against wheat diseases. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 919-924

Analysis of time series

B - Book chapters etc edited externally

Tunnicliffe Wilson, G. and Welham, S. J. 2002. Analysis of time series. in: Payne, R. W. (ed.) Guide to GenStat release 6.1. Part 2. Statistics VSN International, Hemel Hempstead. pp. 705-788

REML analysis of mixed models

B - Book chapters etc edited externally

Thompson, R. and Welham, S. J. 2002. REML analysis of mixed models. in: Payne, R. W. (ed.) Guide to GenStat release 6.1. Part 2. Statistics Hemel Hempstead VSN International. pp. 461-560

GenStat release 6.1 reference manual. Part 2. Directives

E - Books edited/written by staff member, alone/with others

Payne, R. W., Baird, D. B., Cherry, M., Gilmour, A. R., Harding, S. A., Lane, P. W., Morgan, G. W., Murray, D. A., Soutar, D. M., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 2002. GenStat release 6.1 reference manual. Part 2. Directives. Hemel Hempstead VSN International.

GenStat release 6.1 reference manual. Part 1. Summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Baird, D. B., Cherry, M., Gilmour, A. R., Harding, S. A., Lane, P. W., Morgan, G. W., Murray, D. A., Soutar, D. M., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 2002. GenStat release 6.1 reference manual. Part 1. Summary. Hemel Hempstead VSN International.

ASREML user guide release 1.0

D1 - Technical reports: non-confidential

Gilmour, A. R., Gogel, B. J., Cullis, B. R., Welham, S. J. and Thompson, R. 2002. ASREML user guide release 1.0. VSN International, Hemel Hempstead.

Quantification of raindrop kinetic energy for improved prediction of splash-dispersed pathogens

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Van Peteghem, P., Webb, D. A. and Welham, S. J. 2002. Quantification of raindrop kinetic energy for improved prediction of splash-dispersed pathogens. Phytopathology. 92 (5), pp. 497-503. https://doi.org/10.1094/PHYTO.2002.92.5.497

Interactive forecasting on the Internet of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Evans, N., Steed, J. M., Welham, S. J., Antoniw, J. F., Turner, J. A., Gladders, P. and Fitt, B. D. L. 2002. Interactive forecasting on the Internet of light leaf spot (Pyrenopeziza brassicae ) risk for winter oilseed rape.

ASREML estimates variance matrices from multivariate data using the animal model

C1 - Edited contributions to conferences/learned societies

Gilmour, A. R., Thompson, R., Cullis, B. R. and Welham, S. J. 2002. ASREML estimates variance matrices from multivariate data using the animal model. Proceedings 7th World Congress on Genetics Applied to Livestock Production, Montpellier, 19-23 August 2002 . pp. 28-05

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

A - Papers appearing in refereed journals

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2002. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ), in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Ecological Modelling. 148, pp. 169-189.

Changes in populations of the eyespot fungi Tapesia yallundae and T. acuformis under different fungicide regimes in successive crops of winter wheat, 1984-2000

A - Papers appearing in refereed journals

Bierman, S. M., Fitt, B. D. L., Van Den Bosch, F., Bateman, G. L., Jenkyn, J. F. and Welham, S. J. 2002. Changes in populations of the eyespot fungi Tapesia yallundae and T. acuformis under different fungicide regimes in successive crops of winter wheat, 1984-2000. Plant Pathology. 51 (2), pp. 191-201. https://doi.org/10.1046/j.1365-3059.2002.00673.x

Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ) in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors

C2 - Non-edited contributions to conferences

Papastamati, K., Van Den Bosch, F., Welham, S. J., Fitt, B. D. L., Evans, N. and Steed, J. M. 2001. Modelling the daily progress of light leaf spot epidemics on winter oilseed rape (Brassica napus ) in relation to Pyrenopeziza brassicae inoculum concentrations and weather factors. Abstracts 8th International Workshop on Plant Disease Epidemiology, Ouro Preto, Brazil, 6-11 May 2001 .

Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in relation to leaf wetness and temperature

A - Papers appearing in refereed journals

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 2001. Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in relation to leaf wetness and temperature. Plant Pathology. 50 (2), pp. 154-164. https://doi.org/10.1046/j.1365-3059.2001.00551.x

Changes in variance and correlation of soil properties with scale and location: analysis using an adapted maximal overlap discrete wavelet transform

A - Papers appearing in refereed journals

Lark, R. M. and Webster, R. 2001. Changes in variance and correlation of soil properties with scale and location: analysis using an adapted maximal overlap discrete wavelet transform. European Journal of Soil Science. 52 (4), pp. 547-562. https://doi.org/10.1046/j.1365-2389.2001.00420.x

Modelling of rain splash trajectories and prediction of rain splash height

A - Papers appearing in refereed journals

Pietravalle, S., Van Den Bosch, F., Welham, S. J., Parker, S. R. and Lovell, D. J. 2001. Modelling of rain splash trajectories and prediction of rain splash height. Agricultural and Forest Meteorology. 109, pp. 171-185. https://doi.org/10.1016/S0168-1923(01)00267-2

Stem canker on winter oilseed rape during three growing seasons in England, France and Poland: an ACCESS database of results from the IMASCORE field experiments

J - Computer programs

Leech, P. K. and Welham, S. J. 2001. Stem canker on winter oilseed rape during three growing seasons in England, France and Poland: an ACCESS database of results from the IMASCORE field experiments.

Modelling the effects of temperature and wetness duration on development of light leaf spot on oilseed rape leaves inoculated with Pyrenopeziza brassicae conidia

A - Papers appearing in refereed journals

Gilles, T., Fitt, B. D. L., Welham, S. J., Evans, N., Steed, J. M. and Jeger, M. J. 2001. Modelling the effects of temperature and wetness duration on development of light leaf spot on oilseed rape leaves inoculated with Pyrenopeziza brassicae conidia. Plant Pathology. 50 (1), pp. 42-52. https://doi.org/10.1046/j.1365-3059.2001.00542.x

Relationships between phoma leaf spot and development of stem canker (Leptosphaeria maculans ) on winter oilseed rape (Brassica napus ) in southern England

A - Papers appearing in refereed journals

Sun, P., Fitt, B. D. L., Gladders, P. and Welham, S. J. 2000. Relationships between phoma leaf spot and development of stem canker (Leptosphaeria maculans ) on winter oilseed rape (Brassica napus ) in southern England. Annals of Applied Biology - AAB. 137 (2), pp. 113-125. https://doi.org/10.1111/j.1744-7348.2000.tb00043.x

A comparison of modelling methods for forecasting light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Papastamati, K., Fitt, B. D. L., Turner, J. A. and Gladders, P. 2000. A comparison of modelling methods for forecasting light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 801-808

Introducing an interactive Internet based forecasting system for light leaf spot of winter oilseed rape in the UK

G - Articles in popular magazines and other technical publications

Evans, N., Antoniw, J. F., Fitt, B. D. L., Gladders, P. and Welham, S. J. 2000. Introducing an interactive Internet based forecasting system for light leaf spot of winter oilseed rape in the UK. GCIRC Bulletin. 17, pp. 48-52.

Are there opportunities for profitable use of precision agriculture in sugar beet crops?

C1 - Edited contributions to conferences/learned societies

Jaggard, K. W., Stafford, J., Lark, R. M. and Fisher, S. 2000. Are there opportunities for profitable use of precision agriculture in sugar beet crops? Proceedings 63rd Congress of the Institut International de Recherches Betteravieres, Interlaken, February 2000 . pp. 317-323

Predicting leaf infection by Leptosphaeria maculans on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

West, J. S., Evans, N., Leech, P. K., Fitt, B. D. L., Welham, S. J., Jedryczka, M. and Penaud, A. 2000. Predicting leaf infection by Leptosphaeria maculans on winter oilseed rape.

Effects of stem canker (Leptosphaeria maculans ) and light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ) in southern England

A - Papers appearing in refereed journals

Zhou, Y., Fitt, B. D. L., Welham, S. J., Evans, N. and Gladders, P. 2000. Effects of stem canker (Leptosphaeria maculans ) and light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ) in southern England. Plant Pathology. 49, pp. 487-497.

Effects of temperature and wetness duration on conidial infection, latent period and asexual sporulation of Pyrenopeziza brassicae on leaves of oilseed rape

A - Papers appearing in refereed journals

Gilles, T., Fitt, B. D. L., Kennedy, R., Welham, S. J. and Jeger, M. J. 2000. Effects of temperature and wetness duration on conidial infection, latent period and asexual sporulation of Pyrenopeziza brassicae on leaves of oilseed rape. Plant Pathology. 49 (4), pp. 498-508. https://doi.org/10.1046/j.1365-3059.2000.00474.x

Forecasting light leaf spot of winter oilseed rape in the UK

C2 - Non-edited contributions to conferences

Evans, N., Fitt, B. D. L. and Welham, S. J. 1999. Forecasting light leaf spot of winter oilseed rape in the UK.

Optimising the use of fungicides to control stem canker of oilseed rape

C1 - Edited contributions to conferences/learned societies

West, J. S., Leech, P. K., Fitt, B. D. L., Welham, S. J., Penaud, A., Peres, A. and Poisson, B. 1999. Optimising the use of fungicides to control stem canker of oilseed rape. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Yield loss of winter oilseed rape in relation to severity of stem canker (Leptosphaeria maculans ) in the UK

C1 - Edited contributions to conferences/learned societies

Zhou, Y., Fitt, B. D. L., Welham, S. J., Gladders, P., Sansford, C. E. and West, J. S. 1999. Yield loss of winter oilseed rape in relation to severity of stem canker (Leptosphaeria maculans ) in the UK. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Effects of temperature and wetness duration on infection of oilseed rape by ascospores of A-group or B-group Leptosphaeria maculans (stem canker)

C1 - Edited contributions to conferences/learned societies

Biddulph, J. E., Fitt, B. D. L., Jedryczka, M., West, J. S. and Welham, S. J. 1999. Effects of temperature and wetness duration on infection of oilseed rape by ascospores of A-group or B-group Leptosphaeria maculans (stem canker). Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Epidemiology, forecasting and management of winter oilseed rape diseases in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Sutherland, K. G., Turner, J. A. and Welham, S. J. 1999. Epidemiology, forecasting and management of winter oilseed rape diseases in the UK. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

The analysis of designed experiments and longitudinal data using smoothing splines

A - Papers appearing in refereed journals

Verbyla, A. P., Cullis, B. R., Kenward, M. G. and Welham, S. J. 1999. The analysis of designed experiments and longitudinal data using smoothing splines. Applied Statistics. 48, pp. 269-311. https://doi.org/10.1111/1467-9876.00154

Forecasting light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape (Brassica napus ) on the Internet

A - Papers appearing in refereed journals

Souter, S. D., Castells-Brooke, N. I. D., Antoniw, J. F., Welham, S. J., Fitt, B. D. L., Evans, N., Gladders, P., Turner, J. A. and Sutherland, K. 1999. Forecasting light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape (Brassica napus ) on the Internet. Aspects of Applied Biology. 55, pp. 37-42.

Quantification of rainsplash for improved prediction of Septoria disease risk

A - Papers appearing in refereed journals

Lovell, D. J., Parker, S. R., Van Petegheim, P., Webb, D. A. and Welham, S. J. 1999. Quantification of rainsplash for improved prediction of Septoria disease risk. Aspects of Applied Biology. 55, pp. 7-14.

Effects of severity and timing of stem canker (Leptosphaeria maculans ) symptoms on yield of winter oilseed rape (Brasica napus ) in the UK

A - Papers appearing in refereed journals

Zhou, Y., Fitt, B. D. L., Welham, S. J., Gladders, P., Sansford, C. E. and West, J. S. 1999. Effects of severity and timing of stem canker (Leptosphaeria maculans ) symptoms on yield of winter oilseed rape (Brasica napus ) in the UK. European Journal of Plant Pathology. 105, pp. 715-728. https://doi.org/10.1023/A:1008761219493

Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker)

A - Papers appearing in refereed journals

Biddulph, J. E., Fitt, B. D. L., Leech, P. K., Welham, S. J. and Gladders, P. 1999. Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker). European Journal of Plant Pathology. 105, pp. 769-781.

Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in England and Wales

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Fitt, B. D. L., Turner, J. A., Gladders, P. and Sutherland, K. 1999. Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in England and Wales. Protection and Production of Combinable Break Crops. Aspects of Applied Biology 56 . pp. 51-59

Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus) in relation to weather criteria

C1 - Edited contributions to conferences/learned societies

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 1999. Modelling the progress of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus) in relation to weather criteria. Information Technology for Crop Protection. Aspects of Applied Biology 55 . pp. 49-55

Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae ) in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Fitt, B. D. L., McCartney, H. A., Welham, S. J. and Mcroberts, N. 1999. Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae ) in the UK. Protection and Production of Combinable Break Crops. Aspects of Applied Biology 56 . pp. 123-128

Investigating the horizontal spatial spread of light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Evans, N., Fitt, B. D. L., McCartney, H. A., Welham, S. J. and Mcroberts, N. 1999. Investigating the horizontal spatial spread of light leaf spot (Pyrenopeziza brassicae ) of winter oilseed rape in the UK. Information Technology for Crop Protection. Aspects of Applied Biology 55 . pp. 31-36

Conditions for infection of oilseed rape leaves by ascospores of UK (A group) and Polish (B group) Leptosphaeria maculans (stem canker)

G - Articles in popular magazines and other technical publications

Biddulph, J. E., Fitt, B. D. L., Gladders, P., Jedryczka, M., West, J. S. and Welham, S. J. 1999. Conditions for infection of oilseed rape leaves by ascospores of UK (A group) and Polish (B group) Leptosphaeria maculans (stem canker). GCIRC Bulletin. 16, pp. 82-83.

Analysis and elucidation of soil variation using wavelets

A - Papers appearing in refereed journals

Lark, R. M. and Webster, R. 1999. Analysis and elucidation of soil variation using wavelets. European Journal of Soil Science. 50 (2), pp. 185-206. https://doi.org/10.1046/j.1365-2389.1999.t01-1-00234.x

Empirical models for prediction of regional light leaf spot (Pyrenopeziza brassicae ) incidence on winter oilseed rape in the UK

C2 - Non-edited contributions to conferences

Welham, S. J., Turner, J. A., Fitt, B. D. L., Gladders, P. and Sutherland, K. G. 1998. Empirical models for prediction of regional light leaf spot (Pyrenopeziza brassicae ) incidence on winter oilseed rape in the UK. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.1.9

Development of a system for forecasting severe light leaf spot in winter oilseed rape

C2 - Non-edited contributions to conferences

Sutherland, K. G., Fitt, B. D. L., Gladders, P., Steed, J. M., Turner, J. A. and Welham, S. J. 1998. Development of a system for forecasting severe light leaf spot in winter oilseed rape. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 3.1.16

Simulation modelling of the progress of light leaf spot on winter oilseed rape (Brassica napus ) in relation to criteria for infection by Pyrenopeziza brassicae

C2 - Non-edited contributions to conferences

Papastamati, K., Welham, S. J., Fitt, B. D. L. and Gladders, P. 1998. Simulation modelling of the progress of light leaf spot on winter oilseed rape (Brassica napus ) in relation to criteria for infection by Pyrenopeziza brassicae. Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.1.15

Forecasting and management of light leaf spot and stem canker on winter oilseed rape

C2 - Non-edited contributions to conferences

Fitt, B. D. L., Steed, J. L., Welham, S. J., West, J. S., Gladders, P. and Meakin, P. 1998. Forecasting and management of light leaf spot and stem canker on winter oilseed rape. Abstracts ARIA Meeting, Harpenden, 4 November 1998 .

Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker)

C2 - Non-edited contributions to conferences

Biddulph, J. E., Fitt, B. D. L. and Welham, S. J. 1998. Effects of temperature and wetness duration on infection of oilseed rape leaves by ascospores of Leptosphaeria maculans (stem canker). Abstracts ICPP98 7th International Congress of Plant Pathology, Edinburgh, 9-16 August 1998 . pp. 2.5.13

Towards the explanation of within-field variability of yield of winter barley: soil series differences

A - Papers appearing in refereed journals

Lark, R. M., Catt, J. A. and Stafford, J. V. 1998. Towards the explanation of within-field variability of yield of winter barley: soil series differences. The Journal of Agricultural Science. 131, pp. 409-416. https://doi.org/10.1017/S0021859698005978

Development and control of light leaf spot (Pyrenopeziza brassicae ) epidemics in winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Sutherland, K. G., Fitt, B. D. L., Steed, J. M., Welham, S. J., Gladders, P. and Turner, J. A. 1998. Development and control of light leaf spot (Pyrenopeziza brassicae ) epidemics in winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 1053-1058

Effects of light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Su, H., Fitt, B. D. L., Welham, S. J., Sansford, C. E. and Sutherland, K. G. 1998. Effects of light leaf spot (Pyrenopeziza brassicae ) on yield of winter oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 132 (3), pp. 371-386. https://doi.org/10.1111/j.1744-7348.1998.tb05215.x

Epidemiology and forecasting of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Sutherland, K. G., Turner, J. A., Welham, S. J., Biddulph, J. E., Hardwick, N. V. and Wale, S. J. 1998. Epidemiology and forecasting of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK.

Estimating yield loss from light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in the UK

C1 - Edited contributions to conferences/learned societies

Su, H., Sansford, C. E., Fitt, B. D. L., Gladders, P., Lockley, K. D., Sutherland, K. G. and Welham, S. J. 1998. Estimating yield loss from light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in the UK.

Genstat 5 Release 4.1 reference manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat 5 Release 4.1 reference manual supplement. Numerical Algorithms Group, Oxford.

Genstat for Windows command language manual

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat for Windows command language manual. Numerical Algorithms Group, Oxford.

Effects of planting mixtures of different sizes of potato seed tubers on the yield and size of tubers

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1997. Effects of planting mixtures of different sizes of potato seed tubers on the yield and size of tubers. The Journal of Agricultural Science. 128 (2), pp. 173-180. https://doi.org/10.1017/S0021859696004017

Genstat 5 Release 4.1 reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1997. Genstat 5 Release 4.1 reference summary. Numerical Algorithms Group, Oxford.

Effects of temperature, cultivar and isolate on the incubation period of white leaf spot (Mycosphaerella capsellae ) on oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Inman, A. J., Fitt, B. D. L., Welham, S. J., Evans, R. L. and Murray, D. A. 1997. Effects of temperature, cultivar and isolate on the incubation period of white leaf spot (Mycosphaerella capsellae ) on oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 130, pp. 239-253.

Estimating yield loss from light leaf spot (Pyrenopeziza brassica ) on winter oilseed rape

G - Articles in popular magazines and other technical publications

Su, H., Fitt, B. D. L., Gladders, P., Hardwick, N. V., Lockley, K. D., Sansford, C. E., Sutherland, K. G. and Welham, S. J. 1997. Estimating yield loss from light leaf spot (Pyrenopeziza brassica ) on winter oilseed rape. GCIRC Bulletin. 13, pp. 75-78.

Predicting severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the U.K.

G - Articles in popular magazines and other technical publications

Fitt, B. D. L., Gladders, P., Turner, J. R., Sutherland, K. G. and Welham, S. J. 1997. Predicting severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the U.K. GCIRC Bulletin. 13, pp. 72-74.

Likelihood ratio tests for fixed model terms using residual maximum likelihood

A - Papers appearing in refereed journals

Welham, S. J. and Thompson, R. 1997. Likelihood ratio tests for fixed model terms using residual maximum likelihood. Journal of the Royal Statistical Society, Series B (Statistical Methodology). 59 (3), pp. 701-714. https://doi.org/10.1111/1467-9868.00092

Prospects for developing a forecasting scheme to optimise use of fungicides for disease control on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Turner, J. A., Sutherland, K. G., Welham, S. J. and Davies, J. M. L. 1997. Prospects for developing a forecasting scheme to optimise use of fungicides for disease control on winter oilseed rape in the UK. Optimising Pesticide Applications. Aspects of Applied Biology 48 . pp. 135-142

Genstat 5 Release 3.2 Command Language Manual

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R. J., Welham, S. J. and White, Robin P. 1996. Genstat 5 Release 3.2 Command Language Manual. Numerical Algorithms Group, Oxford.

Designing experiments to examine competition effects between neighbouring plants in mixed populations

C1 - Edited contributions to conferences/learned societies

Welham, S. J., Bailey, R. A., Ainsley, A. E. and Hide, G. A. 1996. Designing experiments to examine competition effects between neighbouring plants in mixed populations. Proceedings XVIIIth International Biometric Conference, 1996 . pp. 97-105

Predicting risk of severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Fitt, B. D. L., Gladders, P., Turner, J. A., Sutherland, K. G. and Welham, S. J. 1996. Predicting risk of severe light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1996 . pp. 239-244

The yield of potato plants as affected by stem canker (Rhizoctonia solani ), blackleg (Erwinia carotovora subsp. atroseptica ) and by neighbouring plants

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1996. The yield of potato plants as affected by stem canker (Rhizoctonia solani ), blackleg (Erwinia carotovora subsp. atroseptica ) and by neighbouring plants. The Journal of Agricultural Science. 126 (4), pp. 429-440. https://doi.org/10.1017/S0021859600075511

Effects of wetness period and temperature on development of dark pod spot (Alternaria brassicae ) on oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Hong, C. X., Fitt, B. D. L. and Welham, S. J. 1996. Effects of wetness period and temperature on development of dark pod spot (Alternaria brassicae ) on oilseed rape (Brassica napus ). Plant Pathology. 45 (6), pp. 1077-1089. https://doi.org/10.1046/j.1365-3059.1996.d01-193.x

Genstat 3[3] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 3[3] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.2 version for PC Windows and DOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 5 Release 3.2 version for PC Windows and DOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.2 version for Vax VMS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1996. Genstat 5 Release 3.2 version for Vax VMS. Numerical Algorithms Group, Oxford.

Mapping and interpreting the yield variation in cereal crops

A - Papers appearing in refereed journals

Stafford, J. V., Ambler, B., Lark, R. M. and Catt, J. A. 1996. Mapping and interpreting the yield variation in cereal crops. Computers and Electronics in Agriculture. 14 (2/3), pp. 101-119. https://doi.org/10.1016/0168-1699(95)00042-9

Genstat 5 for Windows reference manual supplement

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Baird, D. B., Gilmour, A. R., Harding, S. A., Morgan, G. W., Murray, D. A., Thompson, R., Todd, A. D., Tunnicliffe Wilson, G., Webster, R. and Welham, S. J. 1995. Genstat 5 for Windows reference manual supplement. Oxford Numerical Algorithms Group.

Genstat 3[2] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 3[2] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Hewlatt Packard 9000 Series 700

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 5 Release 3.1 version for Hewlatt Packard 9000 Series 700. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Dec Alpha AXP OSF/1

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1995. Genstat 5 Release 3.1 version for Dec Alpha AXP OSF/1. Numerical Algorithms Group, Oxford.

Genstat for Windows. Release 3.2 manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat for Windows. Release 3.2 manual supplement. Numerical Algorithms Group, Oxford.

Genstat for Windows reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat for Windows reference summary. Numerical Algorithms Group, Oxford.

Use of the most probable number technique to quantify soil-borne plant pathogens

A - Papers appearing in refereed journals

Adams, M. J. and Welham, S. J. 1995. Use of the most probable number technique to quantify soil-borne plant pathogens. Annals of Applied Biology - AAB. 126 (1), pp. 181-196. https://doi.org/10.1111/j.1744-7348.1995.tb05014.x

A case study in measurement and analysis of disease gradients

C1 - Edited contributions to conferences/learned societies

Welham, S. J., McCartney, H. A. and Fitt, B. D. L. 1995. A case study in measurement and analysis of disease gradients. Field Experimental Techniques. Aspects of Applied Biology %B43 $B. pp. 77-85

Economic and statistical considerations in the measurement of total factor productivity (TFP)

B - Book chapters etc edited externally

Rayner, A. I. and Welham, S. J. 1995. Economic and statistical considerations in the measurement of total factor productivity (TFP). in: Payne, R. W., Steiner, R. and Barnett, V. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 23-38

Genstat 5 release 3.2 reference summary

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat 5 release 3.2 reference summary. Oxford Numerical Algorithms Group.

Genstat 5 release 3.2 manual supplement

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Baird, D. B., Harding, S. A., Murray, D. A., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Webster, R., Welham, S. J. and White, Robin P. 1995. Genstat 5 release 3.2 manual supplement. Numerical Algorithms Group, Oxford.

Design and analysis of experiments in Genstat. Course at Pfizer Central Research, 24-25 April 1995

D1 - Technical reports: non-confidential

Payne, R. W. and Welham, S. J. 1995. Design and analysis of experiments in Genstat. Course at Pfizer Central Research, 24-25 April 1995.

Use of splines in extending random coefficient regression models for the analysis of repeated measurements

C1 - Edited contributions to conferences/learned societies

Kenward, M. G. and Welham, S. J. 1995. Use of splines in extending random coefficient regression models for the analysis of repeated measurements. Proceedings Symposium on Statistical Software 1995, Utrecht, 9 November 1995 .

The influence of planting seed tubers with gangrene (Phoma foveata ) and of neighbouring healthy, diseased and missing plants on the yield and size of potatoes

A - Papers appearing in refereed journals

Hide, G. A., Welham, S. J., Read, P. J. and Ainsley, A. E. 1995. The influence of planting seed tubers with gangrene (Phoma foveata ) and of neighbouring healthy, diseased and missing plants on the yield and size of potatoes. The Journal of Agricultural Science. 125 (1), pp. 51-60. https://doi.org/10.1017/S0021859600074499

The Genstat TWOD Procedure

J - Computer programs

Gilmour, A. R., Harding, S. A. and Welham, S. J. 1995. The Genstat TWOD Procedure.

Efficient analysis of field experiments using two-dimensional spatial models

G - Articles in popular magazines and other technical publications

Gilmour, A., Welham, S. J. and Harding, S. A. 1995. Efficient analysis of field experiments using two-dimensional spatial models. Genstat newsletter. 32, pp. 31-39.

Early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in relation to temperature and leaf wetness

A - Papers appearing in refereed journals

Figueroa, L., Fitt, B. D. L., Welham, S. J., Shaw, M. W. and McCartney, H. A. 1995. Early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in relation to temperature and leaf wetness. Plant Pathology. 44 (4), pp. 641-654. https://doi.org/10.1111/j.1365-3059.1995.tb01688.x

Forecasting development of light leaf spot (Pyrenopeziza brassicae) epidemics on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Gladders, P., Fitt, B. D. L. and Welham, S. J. 1995. Forecasting development of light leaf spot (Pyrenopeziza brassicae) epidemics on winter oilseed rape. Rapeseed Today and Tomorrow: Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 .

Predicting early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Gladders, P., Fitt, B. D. L., Figueroa, L., McCartney, H. A., Shaw, M. W. and Welham, S. J. 1995. Predicting early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape.

Sustainability - the Rothamsted experience

B - Book chapters etc edited externally

Johnston, A. E., Landau, S., Payne, R. W., Welham, S. J. and Rayner, A. I. 1995. Sustainability - the Rothamsted experience. in: Barnett, V., Steiner, R. and Payne, R. W. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 171-206

Sensitivity to prochloraz in populations of the eyespot fungus, Pseudocercosporella herpotrichoides , in relation to fungicide treatments and their efficacy in continuous winter wheat

A - Papers appearing in refereed journals

Bateman, G. L., Landau, S. and Welham, S. J. 1995. Sensitivity to prochloraz in populations of the eyespot fungus, Pseudocercosporella herpotrichoides , in relation to fungicide treatments and their efficacy in continuous winter wheat. Annals of Applied Biology - AAB. 126 (2), pp. 235-247. https://doi.org/10.1111/j.1744-7348.1995.tb05362.x

Effects of temperature on the development of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Figueroa, L., Fitt, B. D. L., Shaw, M. W., McCartney, H. A. and Welham, S. J. 1995. Effects of temperature on the development of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus). Plant Pathology. 44 (1), pp. 51-62. https://doi.org/10.1111/j.1365-3059.1995.tb02715.x

Genstat 3[1] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 3[1] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Dec Alpha AXP OpenVMS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1 version for Dec Alpha AXP OpenVMS. Numerical Algorithms Group, Oxford.

Genstat5 Release 3.1 version for Sun 4 Solaris

J - Computer programs

Pyne, R., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat5 Release 3.1 version for Sun 4 Solaris. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1 version for Sun 4 SunOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1 version for Sun 4 SunOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1. Version for PC DOS

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1. Version for PC DOS. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3.1. Vax VMS version

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1994. Genstat 5 Release 3.1. Vax VMS version. Numerical Algorithms Group, Oxford.

Measuring sustainability

A - Papers appearing in refereed journals

Barnett, V., Landau, S. and Welham, S. J. 1994. Measuring sustainability. Environmental And Ecological Statistics. 1, pp. 21-36. https://doi.org/10.1007/BF00714195

Comparisons of some GLMM estimators for a simple binomial model

G - Articles in popular magazines and other technical publications

Waddington, D., Welham, S. J., Gilmour, A. R. and Thompson, R. 1994. Comparisons of some GLMM estimators for a simple binomial model. Genstat newsletter. 30, pp. 13-24.

Effects of previous cropping and fungicide timing on the development of light leaf spot (Pyrenopeziza brassicae ) seed yield and quality of winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Figueroa, L., Shaw, M. W., Fitt, B. D. L., McCartney, H. A. and Welham, S. J. 1994. Effects of previous cropping and fungicide timing on the development of light leaf spot (Pyrenopeziza brassicae ) seed yield and quality of winter oilseed rape (Brassica napus ). Annals of Applied Biology - AAB. 124 (2), pp. 221-239. https://doi.org/10.1111/j.1744-7348.1994.tb04130.x

Sampling to determine patterns of disease in linseed

C1 - Edited contributions to conferences/learned societies

Welham, S. J. and Fitt, B. D. L. 1994. Sampling to determine patterns of disease in linseed. Sampling to Make Decisions. Aspects of Applied Biology .

Observer behaviour in assessment of lodging in cereals

C1 - Edited contributions to conferences/learned societies

Goulds, A., Welham, S. J. and Fitt, B. D. L. 1994. Observer behaviour in assessment of lodging in cereals. Sampling to Make Decisions. Aspects of Applied Biology .

Genstat 2[3] Procedure Library

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1993. Genstat 2[3] Procedure Library. Numerical Algorithms Group, Oxford.

Genstat 5 Release 2.2. Student version for IBM XT/AT and compatible PCs

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1993. Genstat 5 Release 2.2. Student version for IBM XT/AT and compatible PCs. Numerical Algorithms Group, Oxford.

Genstat 5 Release 3 reference manual

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Digby, P. G. N., Harding, S. A., Leech, P. K., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Welham, S. J. and White, Robin P. 1993. Genstat 5 Release 3 reference manual. Clarendon Press, Oxford.

Genstat 5 Release 3 reference summary

D1 - Technical reports: non-confidential

Payne, R. W., Lane, P. W., Digby, P. G. N., Harding, S. A., Leech, P. K., Morgan, G. W., Todd, A. D., Thompson, R., Tunnicliffe Wilson, G., Welham, S. J. and White, Robin P. 1993. Genstat 5 Release 3 reference summary. Numerical Algorithms Group, Oxford.

Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants

A - Papers appearing in refereed journals

Kennedy, R., Pegg, G. F. and Welham, S. J. 1993. Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants. Annals of Applied Biology - AAB. 123 (3), pp. 563-578. https://doi.org/10.1111/j.1744-7348.1993.tb04928.x

Genstat 5 topic course: analysis of linear mixed models

D1 - Technical reports: non-confidential

Payne, R. W. and Welham, S. J. 1993. Genstat 5 topic course: analysis of linear mixed models. Lawes Agricultural Trust, (LAT) Harpenden.

Measuring sustainability

A - Papers appearing in refereed journals

Barnett, V., Landau, S. and Welham, S. J. 1993. Measuring sustainability. Journal of Environmental Statistics. 1, pp. 33-54.

The Classical Experiments and the environment

G - Articles in popular magazines and other technical publications

Perry, J. N., Potts, J. M. and Welham, S. J. 1993. The Classical Experiments and the environment. ARIA Newsletter 1993.

Procedure GLMM

B - Book chapters etc edited externally

Welham, S. J. 1993. Procedure GLMM. in: Payne, R. W., Morgan, G. W. and Arnold, G. M. (ed.) Genstat 5 procedure library manual release 2[3] Numerical Algorithms Group, Oxford. pp. 154-158

Genstat 5 Release 2.2 (implementation for Silicon Graphics)

J - Computer programs

Payne, R. W., Lane, P., Harding, S., Murray, D., Thompson, R., Todd, A. and Welham, S. J. 1992. Genstat 5 Release 2.2 (implementation for Silicon Graphics). Numerical Algorithms Group, Oxford.

Observations on the bulking and development of tuber size distribution in maincrop potatoes at Rothamsted in 1964-75

A - Papers appearing in refereed journals

Hide, G. A. and Welham, S. J. 1992. Observations on the bulking and development of tuber size distribution in maincrop potatoes at Rothamsted in 1964-75. Potato research. 35, pp. 235-247.

A comparison of algorithms for combination of information in generally balanced designs.

C1 - Edited contributions to conferences/learned societies

Payne, R. W. and Welham, S. J. 1990. A comparison of algorithms for combination of information in generally balanced designs. Compstat 1990.. Springer-Verlag, Heidelberg.. pp. 297-302.

Genstat 5 release 2 reference summary . 97pp.

E - Books edited/written by staff member, alone/with others

Payne, R. W., Lane, P. W., Ainsley, A. E., Bicknell, K. E., Digby, P. G. N., Harding, S. A., Leech, P. K., Simpson, H. R., Todd, A. D., Welham, S. J., White, Robin P., Gower, J. C., Tunnicliffe Wilson, G. and Verrier, P. J. 1989. Genstat 5 release 2 reference summary . 97pp.

Procedure TTEST.

D1 - Technical reports: non-confidential

Welham, S. J. 1989. Procedure TTEST. Numerical Algorithms Group, Oxford.

Procedure SMOOTHSPECTRUM.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure SMOOTHSPECTRUM. Numerical Algorithms Group, Oxford.

Procedure BJIDENTIFY.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJIDENTIFY. Numerical Algorithms Group, Oxford.

Procedure BJFORECAST.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJFORECAST. Numerical Algorithms Group, Oxford.

Procedure BJESTIMATE.

D1 - Technical reports: non-confidential

Tunnicliffe Wilson, G. T. and Welham, S. J. 1989. Procedure BJESTIMATE. Numerical Algorithms Group, Oxford.

Procedure MANNWHITNEY.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure MANNWHITNEY. Numerical Algorithms Group, Oxford.

Procedure KRUSKAL.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure KRUSKAL. Numerical Algorithms Group, Oxford.

Procedure NPRANK.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure NPRANK. Numerical Algorithms Group, Oxford.

Procedure NPCHECK.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure NPCHECK. Numerical Algorithms Group, Oxford.

Procedure SPEARMAN.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure SPEARMAN. Numerical Algorithms Group, Oxford.

Procedure CONCORD.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure CONCORD. Numerical Algorithms Group, Oxford.

Procedure WILCOXON.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure WILCOXON. Numerical Algorithms Group, Oxford.

Procedure WILCOXON.

D1 - Technical reports: non-confidential

Mclaren, P. J., Simpson, H. R. and Welham, S. J. 1989. Procedure WILCOXON. Numerical Algorithms Group, Oxford.