Measuring spatial pattern at different scales using distance indices of crowding and regularity

Perry, J. N. 1995. Measuring spatial pattern at different scales using distance indices of crowding and regularity. Proceedings 5th Spanish Biometric Conference . pp. 1-2

Related outputs

Cereal Aphid Colony Turnover and Persistence in Winter Wheat

A - Papers appearing in refereed journals

Winder, L., Alexander, C. J., Woolley, C., Perry, J. N. and Holland, J. M. 2014. Cereal Aphid Colony Turnover and Persistence in Winter Wheat. PLOS ONE. 9 (9). https://doi.org/10.1371/journal.pone.0106822

Simulation scenarios of spatial-temporal arrangement of crops at the landscape scale

A - Papers appearing in refereed journals

Castellazzi, M. S., Matthews, J., Angevin, F., Sausse, C., Wood, G. A., Burgess, P. J., Brown, I., Conrad, K. F. and Perry, J. N. 2010. Simulation scenarios of spatial-temporal arrangement of crops at the landscape scale. Environmental Modelling and Software. 25, pp. 1881-1889. https://doi.org/10.1016/j.envsoft.2010.04.006

Providing the evidence base for environmental risk assessments of novel farm management practices

A - Papers appearing in refereed journals

Storkey, J., Bohan, D. A., Haughton, A. J., Champion, G. T., Perry, J. N., Poppy, G. M. and Woiwod, I. P. 2008. Providing the evidence base for environmental risk assessments of novel farm management practices. Environmental Science & Policy. 11, pp. 579-587. https://doi.org/10.1016/j.envsci.2008.06.001

A systematic representation of crop rotations

A - Papers appearing in refereed journals

Castellazzi, M. S., Wood, G. A., Burgess, P. J., Morris, J., Conrad, K. F. and Perry, J. N. 2008. A systematic representation of crop rotations. Agricultural Systems. 97, pp. 26-33. https://doi.org/10.1016/j.agsy.2007.10.006

Monoclonal antibodies reveal changes in predator efficiency with prey spatial pattern

A - Papers appearing in refereed journals

Griffiths, G. J. K., Alexander, C. J., Holland, J. M., Kennedy, P. J., Perry, J. N., Symondson, W. O. C. and Winder, L. 2008. Monoclonal antibodies reveal changes in predator efficiency with prey spatial pattern. Molecular Ecology. 17 (7), pp. 1828-1839. https://doi.org/10.1111/j.1365-294X.2007.03682.x

Cost-efficacy in measuring farmland biodiversity - lessons from the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Qi, A., Perry, J. N., Pidgeon, J. D., Haylock, L. A. and Brooks, D. R. 2008. Cost-efficacy in measuring farmland biodiversity - lessons from the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Annals of Applied Biology - AAB. 152, pp. 93-101. https://doi.org/10.1111/j.1744-7348.2007.00193.x

National-scale metacommunity dynamics of carabid beetles in UK farmland

A - Papers appearing in refereed journals

Brooks, D. R., Perry, J. N., Clark, S. J., Heard, M. S., Firbank, L. G., Holdgate, R., Mason, N. S., Shortall, C. R., Skellern, M. P. and Woiwod, I. P. 2008. National-scale metacommunity dynamics of carabid beetles in UK farmland. Journal of Animal Ecology. 77 (2), pp. 265-274. https://doi.org/10.1111/j.1365-2656.2007.01331.x

The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project

C1 - Edited contributions to conferences/learned societies

Brooks, D. R., Firbank, L. G., Bohan, D. A., Champion, G. T., Clark, S. J., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R. and Woiwod, I. P. 2007. The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project. Proceedings Open Seminar on the Cultivation of Genetically Modified Crops and Evaluation of Ecological Effects, Tokyo, 3 November 2007 . NIAES, Tsukuba. pp. 29-52

LandSFACTS: software for spatio-temporal allocation of crops to fields

C2 - Non-edited contributions to conferences

Castellazzi, M. S., Matthews, J., Wood, G. A., Burgess, P. J., Conrad, K. F. and Perry, J. N. 2007. LandSFACTS: software for spatio-temporal allocation of crops to fields. Abstracts 6th Biennial Conference of the European Federation of IT in Agriculture, Glasgow, 2-5 July 2007 .

The microspatial distribution of beetles (Coleoptera) on exposed riverine sediments

A - Papers appearing in refereed journals

Bates, A. J., Sadler, J. P., Perry, J. N. and Fowles, A. P. 2007. The microspatial distribution of beetles (Coleoptera) on exposed riverine sediments. European Journal of Entomology. 104, pp. 479-487.

Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P., Perry, J. N. and Heard, M. S. 2007. Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds. Weed Research. 47 (2), pp. 157-163. https://doi.org/10.1111/j.1365-3180.2007.00541.x

Mitigation of indirect environmental effects of GM crops

A - Papers appearing in refereed journals

Pidgeon, J. D., May, M. J., Perry, J. N. and Poppy, G. M. 2007. Mitigation of indirect environmental effects of GM crops. Proceedings of the Royal Society of London Series B Biological Sciences. 274, pp. 1475-1479. https://doi.org/10.1098/rspb.2007.0401

Statistical models to evaluate invertebrate-plant trophic interactions in arable systems

A - Papers appearing in refereed journals

Bohan, D. A., Hawes, C., Haughton, A. J., Denholm, I., Champion, G. T., Perry, J. N. and Clark, S. J. 2007. Statistical models to evaluate invertebrate-plant trophic interactions in arable systems. Bulletin of Entomological Research. 97 (3), pp. 265-280. https://doi.org/10.1017/S0007485307004890

New measures and tests of temporal and spatial pattern of crops in agricultural landscapes

A - Papers appearing in refereed journals

Castellazzi, M. S., Perry, J. N., Colbach, N., Monod, H., Adamczyk, K., Viaud, V. and Conrad, K. F. 2007. New measures and tests of temporal and spatial pattern of crops in agricultural landscapes. Agriculture, Ecosystems & Environment. 118, pp. 339-349. https://doi.org/10.1016/j.agee.2006.06.003

Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates

A - Papers appearing in refereed journals

Heard, M. S., Clark, S. J., Rothery, P., Perry, J. N., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Hawes, C., Haughton, A. J., May, M. J., Scott, R. J., Stuart, R. S., Squire, G. R. and Firbank, L. G. 2006. Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates. Annals of Applied Biology - AAB. 149 (3), pp. 249-254. https://doi.org/10.1111/j.1744-7348.2006.00091.x

Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Gibbons, D. W., Bohan, D. A., Rothery, P., Stuart, R. C., Haughton, A. J., Scott, R. J., Wilson, J. D., Perry, J. N., Clark, S. J., Dawson, R. J. G. and Firbank, L. G. 2006. Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. Proceedings of the Royal Society of London Series B Biological Sciences. 273, pp. 1921-1928. https://doi.org/10.1098/rspb.2006.3522

The roles of olfaction and vision in host-plant finding by the diamondback moth, Plutella xylostella

A - Papers appearing in refereed journals

Couty, A., Van Emden, H., Perry, J. N., Hardie, J., Pickett, J. A. and Wadhams, L. J. 2006. The roles of olfaction and vision in host-plant finding by the diamondback moth, Plutella xylostella. Physiological Entomology. 31 (2), pp. 134-145. https://doi.org/10.1111/j.1365-3032.2006.00499.x

Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops

A - Papers appearing in refereed journals

Firbank, L. G., Rothery, P., May, M. J., Clark, S. J., Scott, R. J., Stuart, R. C., Boffey, C. W. H., Brooks, D. R., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Dewar, A. M., Perry, J. N. and Squire, G. R. 2006. Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops. Biology Letters. 2, pp. 140-143. https://doi.org/10.1098/rsbl.2005.0390

Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P. and Perry, J. N. 2006. Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 237-243. https://doi.org/10.1098/rspb.2005.3282

Large-scale temporal changes in spatial pattern during declines of abundance and occupancy in a common moth

A - Papers appearing in refereed journals

Conrad, K. F., Perry, J. N., Woiwod, I. P. and Alexander, C. J. 2006. Large-scale temporal changes in spatial pattern during declines of abundance and occupancy in a common moth. Journal of Insect Conservation. 10, pp. 53-64. https://doi.org/10.1007/s10841-005-1618-2

Factors affecting cross-pollination in oilseed rape varieties, particularly of low male fertility, growing under typical UK conditions. 3rd Annual report for period 1 November 2004 to 31 October 2005 on project RG0125 sponsored by Defra and SEERAD

D1 - Technical reports: non-confidential

Squire, G. R., Allnut, T., Anderson, J., Boffey, C., Cullen, D., Ford, L., Henry, C., Hodder, K., Kightley, S., Kilpatrick, J., Lutman, P. J. W., McCartney, H. A., Mcmillan, J., Mcnicol, J., Osborne, J. L., Perry, J. N., Pratt, C., Ramsay, G., Shearan, A., Swain, J. L., Sweet, J., Thomas, J., Weekes, R. and Young, M. 2005. Factors affecting cross-pollination in oilseed rape varieties, particularly of low male fertility, growing under typical UK conditions. 3rd Annual report for period 1 November 2004 to 31 October 2005 on project RG0125 sponsored by Defra and SEERAD.

The role of large-scale spatially explicit and small-scale localized processes on the population dynamics of cereal aphids

A - Papers appearing in refereed journals

Winder, L., Griffiths, G. J. K., Perry, J. N., Alexander, C. J., Holland, J. M., Kennedy, P. J. and Birt, A. 2005. The role of large-scale spatially explicit and small-scale localized processes on the population dynamics of cereal aphids. Bulletin of Entomological Research. 95, pp. 579-587. https://doi.org/10.1079/BER2005387

Predicting longer-term changes in weed populations under GMHT crop management

A - Papers appearing in refereed journals

Heard, M. S., Rothery, P., Perry, J. N. and Firbank, L. G. 2005. Predicting longer-term changes in weed populations under GMHT crop management. Weed Research. 45 (5), pp. 331-338. https://doi.org/10.1111/j.1365-3180.2005.00465.x

Invertebrate biodiversity in maize following withdrawal of triazine herbicides

A - Papers appearing in refereed journals

Brooks, D. R., Clark, S. J., Perry, J. N., Bohan, D. A., Champion, G. T., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S. and Woiwod, I. P. 2005. Invertebrate biodiversity in maize following withdrawal of triazine herbicides. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 1497-1502. https://doi.org/10.1098/rspb.2005.3102

A method for rapidly mass laser-marking individually coded ground beetles (Coleoptera: Caribidae) in the field

A - Papers appearing in refereed journals

Griffiths, G. J. K., Alexander, C. J., Birt, A., Holland, J. M., Kennedy, P. J., Perry, J. N., Preston, R. and Winder, L. 2005. A method for rapidly mass laser-marking individually coded ground beetles (Coleoptera: Caribidae) in the field. Ecological Entomology. 30 (4), pp. 391-396. https://doi.org/10.1111/j.0307-6946.2005.00708.x

A summary of the Farm Scale Evaluations of genetically-modified herbicide tolerant crops

G - Articles in popular magazines and other technical publications

Perry, J. N. 2005. A summary of the Farm Scale Evaluations of genetically-modified herbicide tolerant crops. Science Matters. 26, pp. 3-4.

Spatial analysis in crop protection: new challenges for biometry

C1 - Edited contributions to conferences/learned societies

Gonzales-Andujar, J. L. and Perry, J. N. 2005. Spatial analysis in crop protection: new challenges for biometry. Proceedings 10 Confrencia Espanola de Biometria, Oviedo, 2005 . Universidad de Oviedo, Oviedo. pp. 3-8

Performance of sampling strategies in the presence of known spatial patterns

A - Papers appearing in refereed journals

Alexander, C. J., Holland, J. M., Winder, L., Woolley, C. and Perry, J. N. 2005. Performance of sampling strategies in the presence of known spatial patterns. Annals of Applied Biology - AAB. 146 (3), pp. 361-370. https://doi.org/10.1111/j.1744-7348.2005.040129.x

Predatory activity and spatial pattern: the response of generalist carabids to their aphid prey

A - Papers appearing in refereed journals

Winder, L., Alexander, C. J., Holland, J. M., Symondson, W. O. C., Perry, J. N. and Woolley, C. 2005. Predatory activity and spatial pattern: the response of generalist carabids to their aphid prey. Journal of Animal Ecology. 74 (3), pp. 443-454. https://doi.org/10.1111/j.1365-2656.2005.00939.x

Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape

A - Papers appearing in refereed journals

Bohan, D. A., Boffey, C. W. H., Brooks, D. R., Clark, S. J., Dewar, A. M., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R., Woiwod, I. P. and Champion, G. T. 2005. Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape. Proceedings of the Royal Society B: Biological Sciences. 272, pp. 463-474. https://doi.org/10.1098/rspb.2004.3049

Insect behavioural ecology and other factors affecting the control efficacy of agro-ecosystem diversification strategies

A - Papers appearing in refereed journals

Potting, R. P. J., Perry, J. N. and Powell, W. 2005. Insect behavioural ecology and other factors affecting the control efficacy of agro-ecosystem diversification strategies. Ecological Modelling. 182, pp. 199-216.

Changes in data handling and analysis

B - Book chapters etc edited externally

Perry, J. N. 2004. Changes in data handling and analysis. in: Millman, C. A., Thompson, A. R. and Langton, F. A. (ed.) Association of Applied Biologists 1904-2004: a celebration of achievement Association of Applied Biologists, Wellesbourne. pp. 48-49

The spatial dynamics of crop and ground active predatory arthropods and their aphid prey in winter wheat

A - Papers appearing in refereed journals

Holland, J. M., Winder, L., Woolley, C., Alexander, C. J. and Perry, J. N. 2004. The spatial dynamics of crop and ground active predatory arthropods and their aphid prey in winter wheat. Bulletin of Entomological Research. 94 (5), pp. 419-431. https://doi.org/10.1079/BER2004323

Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity

C1 - Edited contributions to conferences/learned societies

Perry, J. N., Clark, S. J. and Rothery, P. 2004. Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity. Watt, A. D., Kull, T., Scally, L., Tinch, R., Young, J. and Bolger, T. (ed.) Sustaining Livelihoods and Biodiversity - Attaining the 2010 Target in the European Biodiversity Strategy. Report of an Electronic Conference, May 2004 . pp. 36

Good seed on the land?

G - Articles in popular magazines and other technical publications

Perry, J. N. 2004. Good seed on the land? Third Way. 26(10), pp. 8-9.

Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping

A - Papers appearing in refereed journals

Perry, J. N., Firbank, L. G., Champion, G. T., Clark, S. J., Heard, M. S., May, M. J., Hawes, C., Squire, G. R., Rothery, P., Woiwod, I. P. and Pidgeon, J. D. 2004. Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping. Nature. 428 (6980), pp. 313-316. https://doi.org/10.1038/nature02374

Letter to the Clerk of the Committee from Professor J N Perry, Plant and Invertebrate Ecology Division, Rothamsted Research

G - Articles in popular magazines and other technical publications

Perry, J. N. 2004. Letter to the Clerk of the Committee from Professor J N Perry, Plant and Invertebrate Ecology Division, Rothamsted Research.

Guest editorial - agriculture and food 23 March 2004

G - Articles in popular magazines and other technical publications

Perry, J. N. 2004. Guest editorial - agriculture and food 23 March 2004. BioScience News and Advocate.

GM herbicide (letter)

G - Articles in popular magazines and other technical publications

Perry, J. N. 2004. GM herbicide (letter). Independent. 24 January 2004, p. 19.

Modifying FoE GM mistakes

G - Articles in popular magazines and other technical publications

Perry, J. N. 2004. Modifying FoE GM mistakes. Tribune. 9 January 2004, p. 24.

GM crops: effects on farmland wildlife

G - Articles in popular magazines and other technical publications

Burke, M., Bohan, D. A., Brooks, D. R., Haughton, A. J., Osborne, J. L., Perry, J. N. and Woiwod, I. P. 2003. GM crops: effects on farmland wildlife.

Warm, wet, woollies: weather, climate and spatial pattern in the decline of UK moths

C2 - Non-edited contributions to conferences

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2003. Warm, wet, woollies: weather, climate and spatial pattern in the decline of UK moths. Abstracts Royal Entomological Society International Symposium on Insect Evolutionary Ecology and Entomology 2003, Reading, 28-31 July 2003 . pp. 41

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003.

Letter

G - Articles in popular magazines and other technical publications

Perry, J. N. 2003. Letter. Guardian. 10 December 2003.

Don't walk away from the benefits of GM (letter)

G - Articles in popular magazines and other technical publications

Perry, J. N. 2003. Don't walk away from the benefits of GM (letter). Guardian. 14 October 2003.

Comments on British Farm Scale Trials by a UK ecologist. Oct 28, 2003

G - Articles in popular magazines and other technical publications

Perry, J. N. 2003. Comments on British Farm Scale Trials by a UK ecologist. Oct 28, 2003.

Be impressed. Be very impressed!

G - Articles in popular magazines and other technical publications

Perry, J. N. 2003. Be impressed. Be very impressed! Science Matters. 22, pp. 5-8.

Genetically-modified crops

A - Papers appearing in refereed journals

Perry, J. N. 2003. Genetically-modified crops. Science and Christian Belief. 15, pp. 141-163.

GM crops and the environment

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 2003. GM crops and the environment. Ford, B. J. (ed.) GM crops: the scientists speak. Proceedings Cambridge Conference on Genetically Modified Crops and Food, 2002 . Rothay House, Cambridge. pp. 43-66

The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report)

D1 - Technical reports: non-confidential

Firbank, L. G., Perry, J. N., Squire, G. R., Bohan, D. A., Brooks, D. R., Champion, G. T., Clark, S. J., Daniels, R. E., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., Hill, M. O., May, M. J., Osborne, J. L., Rothery, P., Roy, D. B., Scott, R. J. and Woiwod, I. P. 2003. The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report).

Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Rothery, P., Clark, S. J. and Perry, J. N. 2003. Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops. Environmetrics. 14 (7), pp. 711-717. https://doi.org/10.1002/env.619

Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Hawes, C., Haughton, A. J., Osborne, J. L., Roy, D. B., Clark, S. J., Perry, J. N., Rothery, P., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Heard, M. S., Woiwod, I. P., Daniels, R. E., Young, M. W., Parish, A. M., Scott, R. J., Firbank, L. G. and Squire, G. R. 2003. Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1899-1913. https://doi.org/10.1098/rstb.2003.1406

Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Roy, D. B., Bohan, D. A., Haughton, A. J., Hill, M. O., Osborne, J. L., Clark, S. J., Perry, J. N., Rothery, P., Scott, R. J., Brooks, D. R., Champion, G. T., Hawes, C., Heard, M. S. and Firbank, L. G. 2003. Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1879-1898. https://doi.org/10.1098/rstb.2003.1404

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods

A - Papers appearing in refereed journals

Haughton, A. J., Champion, G. T., Hawes, C., Heard, M. S., Brooks, D. R., Bohan, D. A., Clark, S. J., Dewar, A. M., Firbank, L. G., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Browne, E. L., Dewar, A. J. G., Garner, B. H., Haylock, L. A., Horne, S. L., Mason, N. S., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1863-1877.

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates

A - Papers appearing in refereed journals

Brooks, D. R., Bohan, D. A., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Clark, S. J., Dewar, A. M., Firbank, L. G., Perry, J. N., Rothery, P., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Bell, D., Browne, E. L., Dewar, A. J. G., Fairfax, C. M., Garner, B. H., Haylock, L. A., Horne, S. L., Hulmes, S. E., Mason, N. S., Norton, L. R., Nuttall, P., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1847-1862. https://doi.org/10.1098/rstb.2003.1407

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1833-1846. https://doi.org/10.1098/rstb.2003.1401

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1819-1832. https://doi.org/10.1098/rstb.2003.1402

Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Champion, G. T., May, M. J., Bennett, S., Brooks, D. R., Clark, S. J., Daniels, R. E., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., Perry, J. N., Randle, Z., Rossall, M. J., Rothery, P., Skellern, M. P., Scott, R. J., Squire, G. R. and Thomas, M. R. 2003. Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1801-1818. https://doi.org/10.1098/rstb.2003.1405

On the rationale and interpretation of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Squire, G. R., Brooks, D. R., Bohan, D. A., Champion, G. T., Daniels, R. E., Haughton, A. J., Hawes, C., Heard, M. S., Hill, M. O., May, M. J., Osborne, J. L., Perry, J. N., Roy, D. B., Woiwod, I. P. and Firbank, L. G. 2003. On the rationale and interpretation of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1779-1799.

Spatial distribution of pest insects in oilseed rape: implications for integrated pest management

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2003. Spatial distribution of pest insects in oilseed rape: implications for integrated pest management. Agriculture, Ecosystems & Environment. 95 (2-3), pp. 509-521. https://doi.org/10.1016/S0167-8809(02)00200-1

East Atlantic teleconnection pattern and the decline of a common arctiid moth

A - Papers appearing in refereed journals

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2003. East Atlantic teleconnection pattern and the decline of a common arctiid moth. Global Change Biology. 9 (2), pp. 125-130. https://doi.org/10.1046/j.1365-2486.2003.00572.x

Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2003. Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops. Journal of Applied Ecology. 40 (1), pp. 17-31. https://doi.org/10.1046/j.1365-2664.2003.00786.x

An introduction to the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Firbank, L. G., Heard, M. S., Woiwod, I. P., Hawes, C., Haughton, A. J., Champion, G. T., Scott, R. J., Hill, M. O., Dewar, A. M., Squires, G. R., May, M. J., Brooks, D. R., Bohan, D. A., Daniels, R. E., Osborne, J. L., Roy, D. B., Black, H. I. J., Rothery, P. and Perry, J. N. 2003. An introduction to the farm-scale evaluations of genetically modified herbicide-tolerant crops. Journal of Applied Ecology. 40 (1), pp. 2-16. https://doi.org/10.1046/j.1365-2664.2003.00787.x

Diversity and abundance of the coleopteran fauna from organic and conventional management systems in southern England

A - Papers appearing in refereed journals

Shah, P. A., Brooks, D. R., Ashby, J. E., Perry, J. N. and Woiwod, I. P. 2003. Diversity and abundance of the coleopteran fauna from organic and conventional management systems in southern England. Agricultural and Forest Entomology. 5 (1), pp. 51-60. https://doi.org/10.1046/j.1461-9563.2003.00162.x

Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N. and Walczak, B. 2002. Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002.

Possibilities and constraints of agro-ecosystem diversification as a pest management strategy: a simulation approach

C1 - Edited contributions to conferences/learned societies

Potting, R. P. J., Perry, J. N. and Powell, W. 2002. Possibilities and constraints of agro-ecosystem diversification as a pest management strategy: a simulation approach. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 91-96

Genetically modified crops

B - Book chapters etc edited externally

Perry, J. N. 2002. Genetically modified crops. in: Ruse, M. and Castle, D. (ed.) Genetically modified foods: debating biotechnology Prometheus Books, New York. pp. 115-122

Weather and climate in the long-term decline of the garden tiger moth (Arctia caja ) in Great Britain

C2 - Non-edited contributions to conferences

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2002. Weather and climate in the long-term decline of the garden tiger moth (Arctia caja ) in Great Britain. Abstracts 4th International Symposium on Butterfly Conservation, Lancaster, 5-8 September 2002 .

Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops

C2 - Non-edited contributions to conferences

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2002. Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops. Abstracts ESF Workshop on Ecological Concepts and Techniques to Assess the Impact of Genetically Modified Plants in Natural and Crop Ecosystems, Klarskovgard, 1-2 November 2002 . pp. 20

Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Perry, J. N., Williams, I. H., Klukowski, Z., Walczak, B., Clark, S. J. and Mugglestone, M. A. 2002. Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 659-664

Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 207

Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 . pp. 15-16

Effect of strain-specific hypersensitive resistance on spatial patterns of virus spread

A - Papers appearing in refereed journals

Thackray, D. J., Smith, L. J., Cheng, Y., Perry, J. N. and Jones, R. A. C. 2002. Effect of strain-specific hypersensitive resistance on spatial patterns of virus spread. Annals of Applied Biology - AAB. 141 (1), pp. 45-59. https://doi.org/10.1111/j.1744-7348.2002.tb00194.x

Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops

C1 - Edited contributions to conferences/learned societies

Rothery, P., Clark, S. J. and Perry, J. N. 2002. Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops. Proceedings 21st International Biometric Conference, Freiburg, 21-26 July 2002 . pp. 351-364

Illustrations and guidelines for selecting statistical methods for quantifying spatial pattern in ecological data

A - Papers appearing in refereed journals

Perry, J. N., Liebhold, A. M., Rosenberg, M. S., Dungan, J., Miriti, M., Jakomulska, A. and Citron-Pousty, S. 2002. Illustrations and guidelines for selecting statistical methods for quantifying spatial pattern in ecological data. Ecography. 25 (5), pp. 578-600. https://doi.org/10.1034/j.1600-0587.2002.250507.x

A new method to measure spatial association for ecological count data

A - Papers appearing in refereed journals

Perry, J. N. and Dixon, P. M. 2002. A new method to measure spatial association for ecological count data. Ecoscience. 9, pp. 133-141.

Sensitive dependencies and separation distances for genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Perry, J. N. 2002. Sensitive dependencies and separation distances for genetically modified herbicide-tolerant crops. Proceedings of the Royal Society of London Series B Biological Sciences. 269, pp. 1173-1176.

GM crops - the debate continues

G - Articles in popular magazines and other technical publications

Perry, J. N. 2002. GM crops - the debate continues. Science Matters. 18, pp. 1-3.

A balanced view of scale in spatial statistical analysis

A - Papers appearing in refereed journals

Dungan, J. L., Perry, J. N., Dale, M. R. T., Legendre, P., Citron-Pousty, S., Fortin, M-J., Jakomulska, A., Miriti, M. and Rosenberg, M. S. 2002. A balanced view of scale in spatial statistical analysis. Ecography. 25 (5), pp. 626-640. https://doi.org/10.1034/j.1600-0587.2002.250510.x

Long-term decline in abundance and distribution of the garden tiger moth (Arctia caja ) in Great Britain

A - Papers appearing in refereed journals

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2002. Long-term decline in abundance and distribution of the garden tiger moth (Arctia caja ) in Great Britain. Biological Conservation. 106, pp. 329-337. https://doi.org/10.1016/S0006-3207(01)00258-0

The natural control of the tracheal mite of honey bees

A - Papers appearing in refereed journals

Bailey, L. and Perry, J. N. 2002. The natural control of the tracheal mite of honey bees. Experimental and Applied Acarology. 25, pp. 745-749.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001.

Long-term decline in abundance and distribution of the garden tiger moth (Arctia caja ) in Great Britain

C2 - Non-edited contributions to conferences

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2001. Long-term decline in abundance and distribution of the garden tiger moth (Arctia caja ) in Great Britain. Abstracts Royal Entomological Society Insect Conservation Special Interest Group Meeting, London, 5 December 2001 .

Modelling the dynamic spatio-temporal response of predators to transient prey patches in the field

A - Papers appearing in refereed journals

Winder, L., Alexander, C. J., Holland, J. M., Woolley, C. and Perry, J. N. 2001. Modelling the dynamic spatio-temporal response of predators to transient prey patches in the field. Ecology Letters. 4 (6), pp. 568-576. https://doi.org/10.1046/j.1461-0248.2001.00269.x

Genetically modified crops

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 2001. Genetically modified crops. Genetic Engineering: Christ and the Cosmos. Proceedings of the Conference held at All Saints Pastoral Centre, London Colney, 20-22 April 2001 . pp. 22-91

Comparison of two field-scale approaches for the study of effects of insecticides on polyphagous predators in cereals

A - Papers appearing in refereed journals

Kennedy, P. J., Conrad, K. F., Perry, J. N., Powell, D., Aegerter, J., Todd, A. D., Walters, K. F. A. and Powell, W. 2001. Comparison of two field-scale approaches for the study of effects of insecticides on polyphagous predators in cereals. Applied Soil Ecology. 17 (3), pp. 253-266. https://doi.org/10.1016/S0929-1393(01)00142-1

Spatio-temporal variation in the abundance and distribution of the garden tiger moth (Arctia caja ) - implications of climate change

C2 - Non-edited contributions to conferences

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2001. Spatio-temporal variation in the abundance and distribution of the garden tiger moth (Arctia caja ) - implications of climate change. Parr, T. W. and Sier, A. R. J. (ed.) ECN Science Workshop 2000, CEH Merlewood, June 2000. Workshop Report . pp. 12

Long-term spatio-temporal variation in abundance of the garden tiger moth (Arctia caja ) during a population decline

C2 - Non-edited contributions to conferences

Conrad, K. F., Woiwod, I. P. and Perry, J. N. 2001. Long-term spatio-temporal variation in abundance of the garden tiger moth (Arctia caja ) during a population decline. Abstracts Detecting Environmental Change: Science and Society, London, 17-20 July 2001 . pp. 65-66

An abundance-occupancy time-lag during the decline of an arctiid tiger moth

A - Papers appearing in refereed journals

Conrad, K. F., Perry, J. N. and Woiwod, I. P. 2001. An abundance-occupancy time-lag during the decline of an arctiid tiger moth. Ecology Letters. 4 (4), pp. 300-303. https://doi.org/10.1046/j.1461-0248.2001.00234.x

The use of barrier-connected pitfall trapping for sampling predatory beetles and spiders

A - Papers appearing in refereed journals

Winder, L., Holland, J. M., Perry, J. N., Woolley, C. and Alexander, C. J. 2001. The use of barrier-connected pitfall trapping for sampling predatory beetles and spiders. Entomologia Experimentalis et Applicata. 98 (3), pp. 249-258. https://doi.org/10.1046/j.1570-7458.2001.00781.x

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Glen, D. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Maudsley, M. J., Marshall, E. J. P., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2000. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000. Department for Environment, Food & Rural Affairs (DEFRA).

The impact of dimethoate on the spatial distribution of beneficial arthropods in winter wheat

A - Papers appearing in refereed journals

Holland, J. M., Winder, L. and Perry, J. N. 2000. The impact of dimethoate on the spatial distribution of beneficial arthropods in winter wheat. Annals of Applied Biology - AAB. 136 (2), pp. 93-105. https://doi.org/10.1111/j.1744-7348.2000.tb00013.x

Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N. and Walczak, B. 2000. Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape.

Spatial relationships between a predator and pest infestation in winter rape and releveance to integrated pest management strategies

C2 - Non-edited contributions to conferences

Warner, D. J., Allen-Williams, L. J., Williams, I. H. and Perry, J. N. 2000. Spatial relationships between a predator and pest infestation in winter rape and releveance to integrated pest management strategies. Abstract Book 1: 21st International Congress of Entomology, Foz do Iguassu, Brazil, 20-26 August 2000 . pp. 94

Temporal variance-mean relationships for logarithmic- transformed insect catches in light trap samples adjusted for lunar phases

A - Papers appearing in refereed journals

Mukherjee, S. and Perry, J. N. 2000. Temporal variance-mean relationships for logarithmic- transformed insect catches in light trap samples adjusted for lunar phases. Journal of the Indian Society of Agricultural Statistics. 53, pp. 182-186.

Fitting host-parasitoid models with CV2>1 using hierarchical generalized linear models

A - Papers appearing in refereed journals

Perry, J. N., Noh, M. S., Lee, Youngsook, Alston, R. D., Mohd Norowi, H., Powell, W. and Rennolls, K. 2000. Fitting host-parasitoid models with CV2>1 using hierarchical generalized linear models. Proceedings of the Royal Society of London Series B Biological Sciences. 267, pp. 2043-2048.

A nearest neighbour approach to the simulation of spread of barley yellow dwarf virus

A - Papers appearing in refereed journals

Chaussalet, T. J., Mann, J. A., Perry, J. N. and Francos-Rodriguez, J. C. 2000. A nearest neighbour approach to the simulation of spread of barley yellow dwarf virus. Computers and Electronics in Agriculture. 28 (1), pp. 51-65. https://doi.org/10.1016/S0168-1699(00)00116-2

The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Perry, J. N., Mugglestone, M. A., Clark, S. J. and Williams, I. H. 2000. The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus. Entomologia Experimentalis et Applicata. 95 (2), pp. 161-171. https://doi.org/10.1046/j.1570-7458.2000.00654.x

Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields

C2 - Non-edited contributions to conferences

Yang, J., Perry, J. N., Haydock, P. P. J. and Evans, K. 2000. Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields. Abstracts 25th International Symposium on Nematology, Herzliya, Israel, 2-7 April 2000 . pp. 52

Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields

C1 - Edited contributions to conferences/learned societies

Yang, J., Perry, J. N., Evans, K. and Haydock, P. P. J. 2000. Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields. Potato Cyst Nematode Management. Aspects of Applied Biology 59 . pp. 109-114

Chaos in real data: the analysis of non-linear dynamics from short ecological time series

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

Perry, J. N., Smith, R. H. and Woiwod, I. P. Morse, D. R. (ed.) 2000. Chaos in real data: the analysis of non-linear dynamics from short ecological time series. Kluwer Academic Publishers, Dordrecht, Netherlands.

Overview

B - Book chapters etc edited externally

Perry, J. N. 2000. Overview. in: Woiwod, I. P., Morse, D. R., Perry, J. N. and Smith, R. H. (ed.) Chaos in real data Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 173-190

A glossary of terms used in nonlinear dynamics

B - Book chapters etc edited externally

Morse, D. R., Perry, J. N. and Smith, R. H. 2000. A glossary of terms used in nonlinear dynamics. in: Woiwod, I. P., Morse, D. R., Perry, J. N. and Smith, R. H. (ed.) Chaos in real data Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 191-218

The effect of spatial scale on interactions between two weevils and their parasitoid

A - Papers appearing in refereed journals

Mohd Norowi, Hamid, Perry, J. N., Powell, W. and Rennolls, K. 2000. The effect of spatial scale on interactions between two weevils and their parasitoid. Ecological Entomology. 25 (2), pp. 188-196. https://doi.org/10.1046/j.1365-2311.2000.00242.x

The within-field spatial and temporal distribution of arthropods in winter wheat

A - Papers appearing in refereed journals

Holland, J. M., Perry, J. N. and Winder, L. 2000. The within-field spatial and temporal distribution of arthropods in winter wheat. Bulletin of Entomological Research. 89 (6), pp. 499-513. https://doi.org/10.1017/S0007485399000656

Spatial analysis in pest and weed management

C1 - Edited contributions to conferences/learned societies

Gonzalez-Andujar, J. L. and Perry, J. N. 2000. Spatial analysis in pest and weed management. Proceedings 20th International Biometric Conference, Berkeley, 1-7 July 2000. Vol. 2: Invited Program . pp. 89-96

Farm scale evaluation of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim Report. 3 March 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Champion, G., Daniels, R., Dewar, A. M., Dixon, M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Lutman, P. J. W., Maudsley, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J. and Woiwod, I. P. 2000. Farm scale evaluation of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim Report. 3 March 2000.

Pest-parasitoid spatial relationships in winter rape: implications for ICM

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Perry, J. N. and Williams, I. H. 2000. Pest-parasitoid spatial relationships in winter rape: implications for ICM. Abstracts Society of Industrial Chemistry Meeting on the Economic and Commercial Impact of Integrated Crop Management, London, 3-4 April 2000 .

Spatio-temporal associations in beetle and virus count data

A - Papers appearing in refereed journals

Korie, S., Perry, J. N., Mugglestone, M. A., Clark, S. J., Thomas, C. F. G. and Mohamad Roff, M. N. 2000. Spatio-temporal associations in beetle and virus count data. Journal of Agricultural Biological and Environmental Statistics. 5 (2), pp. 214-239. https://doi.org/10.2307/1400532

A new approach to characterising within-field pest distributions using mealy cabbage aphid (Brevicoryne brassicae ) on Brussels sprouts as an example

C1 - Edited contributions to conferences/learned societies

Parker, W. E., Perry, J. N., Blood Smith, J., Ellis, S. A., Mckinlay, R. G. and Turner, S. T. D. 1999. A new approach to characterising within-field pest distributions using mealy cabbage aphid (Brevicoryne brassicae ) on Brussels sprouts as an example.

Modeling effects of spatial patterns on the seed bank dynamics of Alopecurus myosuroides

A - Papers appearing in refereed journals

Gonzales-Andujar, J. L., Perry, J. N. and Moss, S. R. 1999. Modeling effects of spatial patterns on the seed bank dynamics of Alopecurus myosuroides. Weed Science. 47 (6), pp. 697-705. https://doi.org/10.1017/S0043174500091360

The spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat

A - Papers appearing in refereed journals

Winder, L., Perry, J. N. and Holland, J. M. 1999. The spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat. Entomologia Experimentalis et Applicata. 93 (3), pp. 277-290.

Spatio-temporal dynamics of insect distributions in oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N., Walczak, B., Mugglestone, M. A. and Clark, S. J. 1999. Spatio-temporal dynamics of insect distributions in oilseed rape. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

Edge distributions of Ceutorhynchus assimilis and its parasitoid Trichomalus perfectus in a crop of winter oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Murchie, A. K., Williams, I. H. and Perry, J. N. 1999. Edge distributions of Ceutorhynchus assimilis and its parasitoid Trichomalus perfectus in a crop of winter oilseed rape (Brassica napus). BioControl. 44 (4), pp. 379-390. https://doi.org/10.1023/A:1009997917947

Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields

C2 - Non-edited contributions to conferences

Yang, J., Perry, J. N., Haydock, P. P. J. and Evans, K. 1999. Adaptation of a population dynamics model for prediction of potato cyst nematode distribution within fields. Abstracts Association of Applied Biologists Nematology Sub-group Meeting, London, 14 December 1999 .

The effect of spatial scale on interactions between two weevils and their food plant

A - Papers appearing in refereed journals

Hamid, Mohd Norowi, Perry, J. N., Powell, W. and Rennolls, K. 1999. The effect of spatial scale on interactions between two weevils and their food plant. Acta Oecologica - International journal of ecology. 20, pp. 537-549.

Arthropod prey of farmland birds: their spatial distribution within a sprayed field with and without buffer zones

C1 - Edited contributions to conferences/learned societies

Holland, J. M., Winder, L. and Perry, J. N. 1999. Arthropod prey of farmland birds: their spatial distribution within a sprayed field with and without buffer zones. Field Margins and Buffer Zones: Ecology, Management and Policy. Aspects of Applied Biology 54 . pp. 53-60

Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Williams, I. H., Klukowski, Z., Walczak, B. and Perry, J. N. 1999. Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop. Challenges in Applied Population Biology. Aspects of Applied Biology 53 . pp. 143-148

Design and analysis of efficacy evaluation trials

D1 - Technical reports: non-confidential

Perry, J. N. and Et Al 1999. Design and analysis of efficacy evaluation trials. OEPP/EPPO, Paris, France.

Farm-scale evaluation of GM crops explained

G - Articles in popular magazines and other technical publications

Firbank, L. G., Dewar, A. M., Hill, M. O., May, M. J., Perry, J. N., Rothery, P., Squire, G. R. and Woiwod, I. P. 1999. Farm-scale evaluation of GM crops explained. Nature. 399 (6738), pp. 727-728. https://doi.org/10.1038/21516

Measuring the spatial pattern of Orobanche crenata weeds by SADIE red-blue analysis

C1 - Edited contributions to conferences/learned societies

Perry, J. N. and Lopez Granados, F. 1999. Measuring the spatial pattern of Orobanche crenata weeds by SADIE red-blue analysis. Proceedings VII Conferencia Espanola de Biometria, Palma de Mallorca, 10-12 March 1999 . pp. 247-250

Red-blue plots for detecting clusters in count data

A - Papers appearing in refereed journals

Perry, J. N., Winder, L., Holland, J. M. and Alston, R. D. 1999. Red-blue plots for detecting clusters in count data. Ecology Letters. 2 (2), pp. 106-113. https://doi.org/10.1046/j.1461-0248.1999.22057.x

Spatial aspects in modelling pest-crop interactions

C1 - Edited contributions to conferences/learned societies

Mohd Norowi, H., Perry, J. N., Powell, W. and Rennolls, K. 1999. Spatial aspects in modelling pest-crop interactions. Proceedings 5th International Conference on Plant Protection in the Tropics, Kuala Lumpur, 15-18 March 1999 . Malaysian Plant Protection Society, Kuala Lumpur, Malaysia. pp. 29-34

Biometrical approaches in supervised pest control

C2 - Non-edited contributions to conferences

Mead, A., Collier, R. and Perry, J. N. 1999. Biometrical approaches in supervised pest control. Abstracts New Directions in Plant Biology. International Biometric Society British Region 190th Ordinary General Meeting & Summer Meeting, Wellesbourne, 23 June 1999 .

Analyzing spatially-referenced counts using Spatial Analysis by Distance IndicEs (SADIE)

C2 - Non-edited contributions to conferences

Perry, J. N. 1998. Analyzing spatially-referenced counts using Spatial Analysis by Distance IndicEs (SADIE). Proceedings Open University 8th One Day Conference on Spatial Statistics, 13 December 1998 .

Rejoinder [Analyzing maps of dispersal around a single focus]

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Rejoinder [Analyzing maps of dispersal around a single focus]. Environmental And Ecological Statistics. 5 (4), pp. 349-351. https://doi.org/10.1023/A%3A1009604509368

Analyzing maps of dispersal around a single focus

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Analyzing maps of dispersal around a single focus. Environmental And Ecological Statistics. 5 (4), pp. 317-344. https://doi.org/10.1023/A:1009603804998

Assessment of risks posed by pesticides to non-target arthropods

C2 - Non-edited contributions to conferences

Birnie, L. C., Kennedy, P. J., Shaw, K. E., Denholm, I., Perry, J. N. and Powell, W. 1998. Assessment of risks posed by pesticides to non-target arthropods. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 8B-025

Development of an immunoassay for the identification and quantification of Globodera pallida and G. rostochiensis using the 34kD antigen

C2 - Non-edited contributions to conferences

Barker, A. D. P., Davies, K. G., Else, M., Jacobs, H., Perry, J. N., Russell, M. J. and Evans, K. 1998. Development of an immunoassay for the identification and quantification of Globodera pallida and G. rostochiensis using the 34kD antigen. Abstracts Association of Applied Biologists' Nematology Sub-Group Meeting, London, 17 December 1998 .

The within-field spatial and temporal distribution of the grain aphid (Sitobion avenae ) in winter wheat

C1 - Edited contributions to conferences/learned societies

Winder, L., Holland, J. M. and Perry, J. N. 1998. The within-field spatial and temporal distribution of the grain aphid (Sitobion avenae ) in winter wheat. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 1089-1094

The complementary roles of laboratory and field testing in ecotoxicological risk assessment

C1 - Edited contributions to conferences/learned societies

Denholm, I., Birnie, L. C., Kennedy, P. J., Shaw, K. E., Perry, J. N. and Powell, W. 1998. The complementary roles of laboratory and field testing in ecotoxicological risk assessment. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 583-590

Measures of spatial pattern for counts

A - Papers appearing in refereed journals

Perry, J. N. 1998. Measures of spatial pattern for counts. Ecology. 79 (3), pp. 1008-1017. https://doi.org/10.1890/0012-9658(1998)079[1008:MOSPFC]2.0.CO;2

Measures of spatial pattern and spatial association for insect counts

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 1998. Measures of spatial pattern and spatial association for insect counts. Manly, B. F. J., Baumgartner, J. and Brandmayr, P. (ed.) Population and Community Ecology for Insect Management and Conservation: Proceedings of the Ecology and Population Dynamics Section of the 20th International Congress of Entomology, Florence, 25-31 August 1996 . A. A. Balkema, Rotterdam Netherlands. pp. 21-33

The principles and practice of sampling for the detection of potato cyst nematodes

B - Book chapters etc edited externally

Haydock, P. P. J. and Perry, J. N. 1998. The principles and practice of sampling for the detection of potato cyst nematodes. in: Marks, R. J. and Brodie, B. B. (ed.) Potato cyst nematodes: biology, distribution and control CABI International, Wallingford, Oxon (CABI). pp. 61-74

Simulation of counts of aphids over two hectares of Brussels sprout plants

A - Papers appearing in refereed journals

Perry, J. N., Parker, W. E., Alderson, L. J., Korie, S., Blood-Smyth, J. A., Mckinlay, R. and Ellis, S. A. 1998. Simulation of counts of aphids over two hectares of Brussels sprout plants. Computers and Electronics in Agriculture. 21 (1), pp. 33-51. https://doi.org/10.1016/S0168-1699(98)00026-X

Determinants of dynamics: population size, stability and persistence

A - Papers appearing in refereed journals

Bonsall, M. B., Jones, T. H. and Perry, J. N. 1998. Determinants of dynamics: population size, stability and persistence. Trends In Ecology & Evolution. 13, pp. 174-176.

Entomology '97

G - Articles in popular magazines and other technical publications

Perry, J. N. 1998. Entomology '97. Antenna - Bulletin of the Royal Entomological Society. 22(1), pp. 21-28.

Mortality can produce predicatable dynamics in chaotic populations

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1997. Mortality can produce predicatable dynamics in chaotic populations. Ecological Research. 12, pp. 301-303.

The use of single-species spatially explicit models

C1 - Edited contributions to conferences/learned societies

Topping, C. J., Booij, K., Daamen, R. A., Dinter, A., Heimbach, U., Kennedy, P. J., Langer, V., Perry, J. N., Powell, W., Skirvin, D., Stilmant, D., Thomas, C. F. G. and Winstone, L. 1997. The use of single-species spatially explicit models.

Spatial association for counts of two species

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 1997. Spatial association for counts of two species. Aarhus : [Universitetsforlaget i Aarhus] : Stiftsbogtrykkeriet.

Mortality can produce predictable dynamics in chaotic populations

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1997. Mortality can produce predictable dynamics in chaotic populations. Ecological Research. 12 (3), pp. 301-303. https://doi.org/10.1007/BF02529459

Temperature change and complex dynamics

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Temperature change and complex dynamics. Oecologia. 112 (4), pp. 543-550. https://doi.org/10.1007/s004420050343

Mortality during dispersal stabilizes local population fluctuations

A - Papers appearing in refereed journals

Ruxton, G. D., Gonzales-Andujar, J. L. and Perry, J. N. 1997. Mortality during dispersal stabilizes local population fluctuations. Journal of Animal Ecology. 66 (2), pp. 289-292. https://doi.org/10.2307/6029

Some aspects of the spatial dynamics of weeds

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 1997. Some aspects of the spatial dynamics of weeds. Proceedings Brighton Crop Protection Conference - Weeds, 1997 . pp. 625-628

Developing a GIS-based tool for testing field sampling plans by modelling the within-field distribution of Brevicoryne brassicae in Brussels sprouts

C1 - Edited contributions to conferences/learned societies

Parker, W. E., Turner, S. T. D., Perry, J. N., Blood Smyth, J. A., Ellis, S. A. and Mckinlay, R. G. 1997. Developing a GIS-based tool for testing field sampling plans by modelling the within-field distribution of Brevicoryne brassicae in Brussels sprouts. Stafford, J. V. (ed.) Precision Agriculture 1997: Proceedings 1st European Conference on Precision Agriculture, Warwick, September 1997 . BIOS Scientific Publishers Limited. pp. 811-819

A model describing the population dynamics of Sitobion avenae and Coccinella septempunctata

A - Papers appearing in refereed journals

Skirvin, D. J., Perry, J. N. and Harrington, R. 1997. A model describing the population dynamics of Sitobion avenae and Coccinella septempunctata. Ecological Modelling. 96, pp. 29-39.

Mortality during dispersal and the stability of a metapopulation

A - Papers appearing in refereed journals

Ruxton, G. D., Gonzalez-Andujar, J. L. and Perry, J. N. 1997. Mortality during dispersal and the stability of a metapopulation. Journal of Theoretical Biology. 186 (3), pp. 389-396. https://doi.org/10.1006/jtbi.1997.0402

Spatial distributions of counts at the edges of sample areas

C1 - Edited contributions to conferences/learned societies

Perry, J. N. and Klukowski, Z. 1997. Spatial distributions of counts at the edges of sample areas. Proceedings VI Conference of the Biometric Society (Spanish Region), Cordoba, 21-24 September 1997 . pp. 103-108

Some unresolved issues in non-linear population dynamics

A - Papers appearing in refereed journals

Perry, J. N. 1997. Some unresolved issues in non-linear population dynamics. Questiio. 21, pp. 269-272.

Estimating chaos in an insect population

A - Papers appearing in refereed journals

Perry, J. N., Woiwod, I. P., Smith, R. H. and Morse, D. 1997. Estimating chaos in an insect population. Science - AAAS. 276, pp. 1881-1882.

Statistical aspects of field experiments

B - Book chapters etc edited externally

Perry, J. N. 1997. Statistical aspects of field experiments. in: Walton, M. P. and Dent, D. R. (ed.) Methods in ecological and agricultural entomology CABI International, Wallingford, Oxon (CABI). pp. 171-201

The effect of climate change on an aphid-coccinellid interaction

A - Papers appearing in refereed journals

Skirvin, D. J., Perry, J. N. and Harrington, R. 1997. The effect of climate change on an aphid-coccinellid interaction. Global Change Biology. 3 (1), pp. 1-11. https://doi.org/10.1046/j.1365-2486.1997.00087.x

Detecting chaotic dynamics of insect populations from long-term survey data

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Detecting chaotic dynamics of insect populations from long-term survey data. Ecological Entomology. 22 (2), pp. 231-241. https://doi.org/10.1046/j.1365-2311.1997.00049.x

"Inchworm, inchworm, measuring the marigolds...": biometry in action. (University of Greenwich Inaugural Lecture Series)

G - Articles in popular magazines and other technical publications

Perry, J. N. 1997. "Inchworm, inchworm, measuring the marigolds...": biometry in action. (University of Greenwich Inaugural Lecture Series).

"Inchworm, inchworm, measuring the marigolds...": biometry in action

C2 - Non-edited contributions to conferences

Perry, J. N. 1996. "Inchworm, inchworm, measuring the marigolds...": biometry in action. Abstract of an Inaugural Lecture Delivered at the University of Greenwich, 27 February 1997 .

Measures of spatial pattern and spatial association for counts of insects

C2 - Non-edited contributions to conferences

Perry, J. N. 1996. Measures of spatial pattern and spatial association for counts of insects. Proceedings 20th International Congress of Entomology, Firenze, 25-31 August 1996 .

The SADIE system for spatial pattern analysis in ecology and biology

C2 - Non-edited contributions to conferences

Perry, J. N. 1996. The SADIE system for spatial pattern analysis in ecology and biology. Abstracts 7th IMA Conference on Mathematics in Medicine and Biology, Oxford, 10-12 July 1996 . pp. 49-50

The impact of climate change on aphid population dynamics and phenology

C2 - Non-edited contributions to conferences

Harrington, R., Perry, J. N., Woiwod, I. P., Zhou, X-L, Clark, S. J., Bale, J. S., Howling, G. G., Lisle, L. and Mair, J. 1996. The impact of climate change on aphid population dynamics and phenology. Proceedings BBSRC Conference on Biological Adaptation to Global Environmental Change, Lancaster, 9-11 September 1996 .

Spatial analysis by distance indices - the next generation

C2 - Non-edited contributions to conferences

Bell, E. D., Perry, J. N., Smith, R. H. and Woiwod, I. P. 1996. Spatial analysis by distance indices - the next generation. Abstracts British Ecological Society Winter Meeting, Durham, 16-19 December 1996 .

A model to describe the effect of climate change on aphid and coccinellid population dynamics

C1 - Edited contributions to conferences/learned societies

Skirvin, D. J., Perry, J. N. and Harrington, R. 1996. A model to describe the effect of climate change on aphid and coccinellid population dynamics.

SADIEM.FOR: software for the SADIE system of spatial analysis

J - Computer programs

Perry, J. N. 1996. SADIEM.FOR: software for the SADIE system of spatial analysis.

NSADIEC.FOR: software for the SADIE system of spatial analysis

J - Computer programs

Perry, J. N. 1996. NSADIEC.FOR: software for the SADIE system of spatial analysis.

DESDTR.FOR: software for the SADIE system of spatial analysis

J - Computer programs

Perry, J. N. 1996. DESDTR.FOR: software for the SADIE system of spatial analysis.

MATCHDTR.FOR: software for the SADIE system of spatial analysis

J - Computer programs

Perry, J. N. 1996. MATCHDTR.FOR: software for the SADIE system of spatial analysis.

SADIEA.FOR: software for measuring and testing for spatial association and dissociation

J - Computer programs

Perry, J. N. 1996. SADIEA.FOR: software for measuring and testing for spatial association and dissociation.

SADIE: software to measure and model spatial patterns

C1 - Edited contributions to conferences/learned societies

Perry, J. N., Bell, E. D., Smith, R. H. and Woiwod, I. P. 1996. SADIE: software to measure and model spatial patterns. Modelling in Applied Biology. Aspects of Applied Biology 46 . pp. 95-102

Estimating Taylor's power law parameters for weeds and the effect of spatial scale

A - Papers appearing in refereed journals

Clark, S. J., Perry, J. N. and Marshall, E. J. P. 1996. Estimating Taylor's power law parameters for weeds and the effect of spatial scale. Weed Research. 36 (5), pp. 405-417. https://doi.org/10.1111/j.1365-3180.1996.tb01670.x

Simulating spatial patterns of counts in agriculture and ecology

A - Papers appearing in refereed journals

Perry, J. N. 1996. Simulating spatial patterns of counts in agriculture and ecology. Computers and Electronics in Agriculture. 15, pp. 93-109.

Impact of climate change on aphid flight phenology

A - Papers appearing in refereed journals

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Clark, S. J. and Bale, J. S. 1996. Impact of climate change on aphid flight phenology. Aspects of Applied Biology. 45, pp. 299-305.

SADIEM: software for measuring and testing for spatial association and dissociation (Fortran program and documentation)

J - Computer programs

Perry, J. N. 1995. SADIEM: software for measuring and testing for spatial association and dissociation (Fortran program and documentation).

SADIEM: software for spatial pattern analysis of mapped data. (Fortran program and documentation)

J - Computer programs

Perry, J. N. 1995. SADIEM: software for spatial pattern analysis of mapped data. (Fortran program and documentation).

SADIEC: software for spatial pattern analysis of count data (Fortran program and documentation)

J - Computer programs

Perry, J. N. 1995. SADIEC: software for spatial pattern analysis of count data (Fortran program and documentation).

SADIESIM: software to simulate patterns with specific degrees of aggregation (Fortran program and documentation)

J - Computer programs

Perry, J. N. 1995. SADIESIM: software to simulate patterns with specific degrees of aggregation (Fortran program and documentation).

SADIE: software to measure spatial pattern

C2 - Non-edited contributions to conferences

Perry, J. N. 1995. SADIE: software to measure spatial pattern. Abstracts 1995 Winter Meeting of the British Ecological Society, Sheffield, 19-21 December 1995 . pp. 57

Effects of temperature on aphid phenology

A - Papers appearing in refereed journals

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Bale, J. S. and Clark, S. J. 1995. Effects of temperature on aphid phenology. Global Change Biology. 1 (4), pp. 303-313. https://doi.org/10.1111/j.1365-2486.1995.tb00029.x

Efecto conjunto de la mortalidad y dispersion en un modelo de Leslie Caotico

C1 - Edited contributions to conferences/learned societies

Gonzalez-Andujar, J. L. and Perry, J. N. 1995. Efecto conjunto de la mortalidad y dispersion en un modelo de Leslie Caotico. Carborell, E. A. (ed.) Proceedings 5th Conference Espanola de Biometria, Valencia, 1995 . pp. 23-25

Reversals of chaos in biological control systems

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1995. Reversals of chaos in biological control systems. Journal of Theoretical Biology. 175 (4), p. 603. https://doi.org/10.1006/jtbi.1995.0169

Models for the herbicidal control of the seed bank of Avena sterilis : the effects of spatial and temporal heterogeneity and of dispersal

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1995. Models for the herbicidal control of the seed bank of Avena sterilis : the effects of spatial and temporal heterogeneity and of dispersal. Journal of Applied Ecology. 32 (3), pp. 578-587. https://doi.org/10.2307/2404654

Spatial analysis by distance indices

A - Papers appearing in refereed journals

Perry, J. N. 1995. Spatial analysis by distance indices. Journal of Animal Ecology. 64 (3), pp. 303-314. https://doi.org/10.2307/5892

Spatial aspects of animal and plant distribution in patchy farmland habitats

B - Book chapters etc edited externally

Perry, J. N. 1995. Spatial aspects of animal and plant distribution in patchy farmland habitats. in: Glen, D. M., Anderson, H. M. and Greaves, M. P. (ed.) In %Ecology and integrated farming systems John Wiley & Sons Chichester, West Sussex. pp. 221-242

The impact of climate change on aphid population dynamics

C2 - Non-edited contributions to conferences

Harrington, R., Perry, J. N., Woiwod, I. P., Zhou, X-L, Bale, J. S. and Howling, G. G. 1995. The impact of climate change on aphid population dynamics. Oxford University Press (OUP) Oxford.

Sensitivity of the AFRC winter wheat model to changes in temperature and radiation

C1 - Edited contributions to conferences/learned societies

Kocabas, Z., Craigon, J., Mitchell, R. A. C., Perry, J. N. and Ross, G. J. S. 1994. Sensitivity of the AFRC winter wheat model to changes in temperature and radiation. Scott, R. K., Unsworth, M. H. and Monteith, J. L. (ed.) Resource Capture by Crops. Proceedings 52nd University of Nottingham Easter School, Nottingham, April 1992 . Nottingham, Nottingham University Press. pp. 420-423

Sensitivity of a winter wheat model to changes in temperature and radiation

C2 - Non-edited contributions to conferences

Kocabas, Z., Craigon, J., Mitchell, R. A. C. and Perry, J. N. 1994. Sensitivity of a winter wheat model to changes in temperature and radiation. In: Proceedings of the Twenty-Fourth Meeting of the AFRC Modellers' Group. Cambridge University Press. https://doi.org/10.1017/S0021859600065916

Small sample estimation for Taylor's power law

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1994. Small sample estimation for Taylor's power law. Journal of Environmental and Ecological Statistics. 1 (4), pp. 287-302. https://doi.org/10.1007/BF00469426

Seeking evidence for chaotic dynamics in entomology

A - Papers appearing in refereed journals

Perry, J. N. and Gonzalez-Andujar, J. L. 1994. Seeking evidence for chaotic dynamics in entomology. Entomology (Trends in Agricultural Science). 2, pp. 107-108.

Thermal time and ecological strategies - a unifying hypothesis

A - Papers appearing in refereed journals

Trudgill, D. L. and Perry, J. N. 1994. Thermal time and ecological strategies - a unifying hypothesis. Annals of Applied Biology - AAB. 125 (3), pp. 521-532. https://doi.org/10.1111/j.1744-7348.1994.tb04989.x

A new method of detecting and measuring spatial non-randomness

C2 - Non-edited contributions to conferences

Perry, J. N. 1994. A new method of detecting and measuring spatial non-randomness. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 74

Design of field trials and its influence on the detection of pesticide side effects

C2 - Non-edited contributions to conferences

Kennedy, P. J., Carter, N., Walters, K. F. A., Perry, J. N., Powell, D. and Powell, W. 1994. Design of field trials and its influence on the detection of pesticide side effects. Abstracts Ecotoxicology - Ecological Dimensions: Proceedings 5th Annual Meeting of SETAC-Europe (UK Branch), Sheffield, 12-14 September 1994 . pp. 11

A new method of detecting and measuring spatial non-randomness

C2 - Non-edited contributions to conferences

Perry, J. N. 1994. A new method of detecting and measuring spatial non-randomness. Abstracts Royal Statistical Society International Conference, Newcastle-Upon-Tyne, 13th-16th September, 1994 . pp. 122

Chaotic dynamics can generate Taylor's power law

A - Papers appearing in refereed journals

Perry, J. N. 1994. Chaotic dynamics can generate Taylor's power law. Proceedings of the Royal Society of London Series B Biological Sciences. 257, pp. 221-226.

A new method of detecting and measuring spatial non-randomness

C2 - Non-edited contributions to conferences

Perry, J. N. 1994. A new method of detecting and measuring spatial non-randomness. Tallis, J. H., Benton, R. A. and Norman, H. J. (ed.) Proceedings VIth International Congress of Ecology, Manchester, 21-26 August 1994 . pp. 248

A new method of detecting and measuring spatial non-randomness

C2 - Non-edited contributions to conferences

Perry, J. N. 1994. A new method of detecting and measuring spatial non-randomness. Proceedings XVIIth International Biometric Conference, Hamilton, Canada, 8-12 August 1994 .

Design of field trials and its influence on the detection of pesticide side effects

C2 - Non-edited contributions to conferences

Kennedy, P. J., Carter, N., Walters, K. F. A., Perry, J. N., Powell, D. and Powell, W. 1994. Design of field trials and its influence on the detection of pesticide side effects. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 276

The impact of climate change on aphid population dynamics and phenology

C2 - Non-edited contributions to conferences

Harrington, R., Perry, J. N., Woiwod, I. P., Zhou, X-L, Bale, J. S. and Howling, G. G. 1994. The impact of climate change on aphid population dynamics and phenology. Abstracts BBSRC Conference on Biological Adaptations to Global Environmental Change, University of Nottingham, 12th-14th September 1994 .

Trends in herbage yields over the last century on the Rothamsted long-term continuous hay experiment

A - Papers appearing in refereed journals

Jenkinson, D. S., Potts, J. M., Perry, J. N., Barnett, V., Coleman, K. and Johnston, A. E. 1994. Trends in herbage yields over the last century on the Rothamsted long-term continuous hay experiment. The Journal of Agricultural Science. 122 (3), pp. 365-374. https://doi.org/10.1017/S0021859600067290

Predicting leatherjacket population frequencies in Northern Ireland

A - Papers appearing in refereed journals

Blackshaw, R. P. and Perry, J. N. 1994. Predicting leatherjacket population frequencies in Northern Ireland. Annals of Applied Biology - AAB. 124, pp. 213-219.

Sampling and applied statistics for pests and diseases

C1 - Edited contributions to conferences/learned societies

Perry, J. N. 1994. Sampling and applied statistics for pests and diseases. Sampling to Make Decisions. Aspects of Applied Biology .

Parameter estimation and hypothesis testing for Ades distributions applied to tsetsefly data

A - Papers appearing in refereed journals

Duchateau, L., Ross, G. J. S. and Perry, J. N. 1993. Parameter estimation and hypothesis testing for Ades distributions applied to tsetsefly data. Biometrie-Praximetrie. 33, pp. 101-111.

Density dependence, population persistence, and largely futile arguments

A - Papers appearing in refereed journals

Hanski, I., Woiwod, I. P. and Perry, J. N. 1993. Density dependence, population persistence, and largely futile arguments. Oecologia. 95 (4), pp. 595-598. https://doi.org/10.1007/BF00317446

Using response-surface methodology to detect chaos in ecological time series

A - Papers appearing in refereed journals

Perry, J. N., Woiwod, I. P. and Hanski, I. 1993. Using response-surface methodology to detect chaos in ecological time series. Oikos. 68 (2), pp. 329-339. https://doi.org/10.2307/3544847

Dispersal in a metapopulation neighbourhood model of an annual plant with a seedbank

A - Papers appearing in refereed journals

Perry, J. N. and Gonzalez-Andujar, J. L. 1993. Dispersal in a metapopulation neighbourhood model of an annual plant with a seedbank. Journal of Ecology. 81 (3), pp. 453-463. https://doi.org/10.2307/2261524

Species movement in agricultural landscapes

C1 - Edited contributions to conferences/learned societies

Marshall, E. J. P., Kendall, D. A., Powell, W. F. and Perry, J. N. 1993. Species movement in agricultural landscapes. Haines-Young, R. (ed.) Landscape Ecology in Britain. Proceedings 1st IALE-UK Meeting, Nottingham, September 1992 . pp. 45-48

The effect of dispersal between chaotic and non-chaotic populations within a metapopulation

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1993. The effect of dispersal between chaotic and non-chaotic populations within a metapopulation. Oikos. 66 (3), pp. 555-557. https://doi.org/10.2307/3544953

Chaos, metapopulations and dispersal

A - Papers appearing in refereed journals

Gonzalez-Andujar, J. L. and Perry, J. N. 1993. Chaos, metapopulations and dispersal. Ecological Modelling. 65, pp. 255-263.

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.

Sensitivity analyses of the ARCWHEAT1 crop model: the effect of changes in radiation and temperature.

A - Papers appearing in refereed journals

Kocabas, Z., Mitchell, R. A. C., Craigon, J. and Perry, J. N. 1993. Sensitivity analyses of the ARCWHEAT1 crop model: the effect of changes in radiation and temperature. The Journal of Agricultural Science. 120, pp. 149-158. https://doi.org/10.1017/S0021859600074189

Agriculture and environment: field experiments with limited replication. Appendix F

D1 - Technical reports: non-confidential

Perry, J. N. 1992. Agriculture and environment: field experiments with limited replication. Appendix F.

Some recent studies in ecology and environmental change

C2 - Non-edited contributions to conferences

Perry, J. N. 1992. Some recent studies in ecology and environmental change. Proceedings XVIth International Biometric Conference, Hamilton New Zealand, 7-11 December 1992 .

Fitting Taylor's power law

A - Papers appearing in refereed journals

Perry, J. N. and Woiwod, I. P. 1992. Fitting Taylor's power law. Oikos. 65 (3), pp. 538-542. https://doi.org/10.2307/3545573

Comparative phenologies of two migrant cereal aphid species

A - Papers appearing in refereed journals

Clark, S. J., Tatchell, G. M., Perry, J. N. and Woiwod, I. P. 1992. Comparative phenologies of two migrant cereal aphid species. Journal of Applied Ecology. 29 (3), pp. 571-580. https://doi.org/10.2307/2404464

Improving slug baits: the effects of some phagostimulants and molluscicides on ingestion by the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae)

A - Papers appearing in refereed journals

Henderson, I. F., Martin, A. P. and Perry, J. N. 1992. Improving slug baits: the effects of some phagostimulants and molluscicides on ingestion by the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae). Annals of Applied Biology - AAB. 121 (2), pp. 423-430. https://doi.org/10.1111/j.1744-7348.1992.tb03454.x

A method of estimating the slope of upper bounds of plots of body size and abundance in natural animal assemblages

A - Papers appearing in refereed journals

Blackburn, T. M., Lawton, J. H. and Perry, J. N. 1992. A method of estimating the slope of upper bounds of plots of body size and abundance in natural animal assemblages. Oikos. 65 (1), pp. 107-122. https://doi.org/10.2307/3544892

A new index of aggregation for animal counts

A - Papers appearing in refereed journals

Perry, J. N. and Hewitt, M. 1991. A new index of aggregation for animal counts. Biometrics. 47 (4), pp. 1505-1518. https://doi.org/10.2307/2532402

Data reduction and analysis

C1 - Edited contributions to conferences/learned societies

Woiwod, I. P. and Perry, J. N. 1989. Data reduction and analysis. Cavalloro, R. and Delucchi, V. (ed.) Parasitis 88 - Proceedings of a Scientific Congress, Barcelona, 1988.

Data reduction and analysis.

C1 - Edited contributions to conferences/learned societies

Woiwod, I. P. and Perry, J. N. 1989. Data reduction and analysis. Parasitis 88 - Proceedings of a scientific Congress, Barcelona, 1988. R. Cavalloro & V. Delucchi, eds. Boletin de Sanidad Vegetal .

Host-parasitoid models of intermediate complexity.

A - Papers appearing in refereed journals

Perry, J. N. 1989. Host-parasitoid models of intermediate complexity. The American Naturalist. 130 (6), pp. 955-957. https://doi.org/10.1086/284759

Population variation in Entomology: 1935-1950. I. Sampling.

A - Papers appearing in refereed journals

Perry, J. N. 1989. Population variation in Entomology: 1935-1950. I. Sampling. The Entomologist. 108, pp. 184-198.

Estimation of the negative binomial parameter k by maximum quasi-likelihood.

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1989. Estimation of the negative binomial parameter k by maximum quasi-likelihood. Biometrics. 45 (1), pp. 309-316. https://doi.org/10.2307/2532055

Families of distributions for repeated samples of animal counts - rejoinder

A - Papers appearing in refereed journals

Perry, J. N. and Taylor, L. R. 1988. Families of distributions for repeated samples of animal counts - rejoinder. Biometrics. 44 (3), pp. 881-890. https://doi.org/10.2307/2531600

Scientific societies : competition and aggression.

G - Articles in popular magazines and other technical publications

Perry, J. N. 1988. Scientific societies : competition and aggression. Assembly and Association. February, pp. 22-25.

Some models for spatial variability of animal species.

A - Papers appearing in refereed journals

Perry, J. N. 1988. Some models for spatial variability of animal species. Oikos. 51 (2), pp. 124-130. https://doi.org/10.2307/3565634

Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate

A - Papers appearing in refereed journals

Perry, J. N., Wall, C. and Clark, S. J. 1988. Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate. Entomologia Experimentalis et Applicata. 49 (42767), pp. 37-42. https://doi.org/10.1111/j.1570-7458.1988.tb02474.x

Specificity of the spatial power-law exponent in ecology and agriculture.

A - Papers appearing in refereed journals

Taylor, L. R., Perry, J. N., Woiwod, I. P. and Taylor, R. A. J. 1988. Specificity of the spatial power-law exponent in ecology and agriculture. Nature. 332 (6166), pp. 721-722. https://doi.org/10.1038/332721a0

Estimating guild sizes.

G - Articles in popular magazines and other technical publications

Perry, J. N. 1987. Estimating guild sizes. Nature. 325 (6101), p. 202. https://doi.org/10.1038/325202a0

Scientific socities. Part 1. Adapt or die.

G - Articles in popular magazines and other technical publications

Perry, J. N. 1987. Scientific socities. Part 1. Adapt or die. Assembly and Association. November/December, pp. 24-29.

New families of frequency distributions that describe repeated animal samples.

G - Articles in popular magazines and other technical publications

Perry, J. N. 1987. New families of frequency distributions that describe repeated animal samples. Biometrics bulletin. 4, pp. 12-13.

Range of action of moth sex-attractant sources.

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1987. Range of action of moth sex-attractant sources. Entomologia Experimentalis et Applicata. 44 (1), pp. 5-14.

Iterative improvement of a power transformation to stabilise variance.

A - Papers appearing in refereed journals

Perry, J. N. 1987. Iterative improvement of a power transformation to stabilise variance. Journal of the Royal Statistical Society, Series C (Applied Statistics). 36 (1), pp. 15-21. https://doi.org/10.2307/2347841

Multiple-comparison procedures: a dissenting view.

A - Papers appearing in refereed journals

Perry, J. N. 1986. Multiple-comparison procedures: a dissenting view. Journal of Economic Entomology. 79, pp. 1149-1155.

Ades : new families of frequency distributions that describe repeated animal samples.

G - Articles in popular magazines and other technical publications

Perry, J. N. 1986. Ades : new families of frequency distributions that describe repeated animal samples.

Stability of real interacting populations in space and time: implications, alternatives and the negative binomial kc

A - Papers appearing in refereed journals

Perry, J. N. and Taylor, L. R. 1986. Stability of real interacting populations in space and time: implications, alternatives and the negative binomial kc. Journal of Animal Ecology. 55 (3), pp. 1053-1068. https://doi.org/10.2307/4433

The effect of habitat on the flight of moths orienting to pheromone sources in the field

C1 - Edited contributions to conferences/learned societies

Perry, J. N. and Wall, C. 1986. The effect of habitat on the flight of moths orienting to pheromone sources in the field. Mechanisms in insect olfaction . Eds. T.L. Payne, M.C. Birch & C. E.J. Kennedy . Oxford: Oxford University Press. pp. 91-96

The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978

A - Papers appearing in refereed journals

Johnson, C. G., Walsh, J. F., Davies, J. B., Clark, S. J. and Perry, J. N. 1985. The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978. Bulletin of Entomological Research. 75 (1), pp. 73-92. https://doi.org/10.1017/s0007485300014188

Relationships between the multiplication of chronic bee-paralysis virus and its associate particle

A - Papers appearing in refereed journals

Ball, B. V., Overton, H. A., Buck, K. W., Bailey, L. and Perry, J. N. 1985. Relationships between the multiplication of chronic bee-paralysis virus and its associate particle. Journal of General Virology. 66, pp. 1423-1429. https://doi.org/10.1099/0022-1317-66-7-1423

Ades: new ecological families of species-specific frequency distributions that describe repeated spatial samples with an intrinsic power-law variance-mean property

A - Papers appearing in refereed journals

Perry, J. N. and Taylor, L. R. 1985. Ades: new ecological families of species-specific frequency distributions that describe repeated spatial samples with an intrinsic power-law variance-mean property. Journal of Animal Ecology. 54 (3), pp. 931-953. https://doi.org/10.2307/4388

Orientation of male pea moth, Cydia nigricana , to pheromone traps in a wheat crop

A - Papers appearing in refereed journals

Perry, J. N. and Wall, C. 1985. Orientation of male pea moth, Cydia nigricana , to pheromone traps in a wheat crop. Entomologia Experimentalis et Applicata. 37 (2), pp. 161-167.

The role of a simulation model in understanding the behaviour of male pea moths attracted to pheromone traps.

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1985. The role of a simulation model in understanding the behaviour of male pea moths attracted to pheromone traps. IMA Journal of Mathematics Applied in Medicine and Biology. 2, pp. 299-309.

Short-term variations in catches of the pea moth, cydia-nigricana, in interacting pheromone traps

A - Papers appearing in refereed journals

Perry, J. N. and Wall, C. 1984. Short-term variations in catches of the pea moth, cydia-nigricana, in interacting pheromone traps. Entomologia Experimentalis et Applicata. 36 (2), pp. 145-149. https://doi.org/10.1111/j.1570-7458.1984.tb03420.x

A mathematical-model for the flight of pea moth to pheromone traps through a crop

A - Papers appearing in refereed journals

Perry, J. N. and Wall, C. 1984. A mathematical-model for the flight of pea moth to pheromone traps through a crop. Philosophical Transactions of the Royal Society B-Biological Sciences. 306 (1125), pp. 19-48. https://doi.org/10.1098/rstb.1984.0080

Local variation between catches of pea moth, cydia-nigricana (f) (lepidoptera, tortricidae), in sex-attractant traps, with reference to the monitoring of field populations

A - Papers appearing in refereed journals

Perry, J. N. and Wall, C. 1984. Local variation between catches of pea moth, cydia-nigricana (f) (lepidoptera, tortricidae), in sex-attractant traps, with reference to the monitoring of field populations. Protection Ecology. 6 (1), pp. 43-49.

Negative binomial model for mosquitoes.

G - Articles in popular magazines and other technical publications

Perry, J. N. and Nedelman, J. 1984. Negative binomial model for mosquitoes. Biometrics. 40 (3), pp. 863-864.

Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation

A - Papers appearing in refereed journals

Perry, J. N. and Clark, S. J. 1983. Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation. Journal of Applied Ecology. 20 (3), pp. 857-864. https://doi.org/10.2307/2403130

Selection of potato cyst-nematodes on resistant solanum-vernei hybrids

A - Papers appearing in refereed journals

Turner, S. J., Stone, A. R. and Perry, J. N. 1983. Selection of potato cyst-nematodes on resistant solanum-vernei hybrids. Euphytica. 32 (3), pp. 911-917. https://doi.org/10.1007/bf00042173

Honeybee paralysis - its natural spread and its diminished incidence in England and Wales

A - Papers appearing in refereed journals

Bailey, L., Ball, B. V. and Perry, J. N. 1983. Honeybee paralysis - its natural spread and its diminished incidence in England and Wales. Journal of Apicultural Research. 22 (3), pp. 191-195. https://doi.org/10.1080/00218839.1983.11100586

Further observations on the responses of male pea moth, cydia-nigricana, to vegetation previously exposed to sex-attractant

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1983. Further observations on the responses of male pea moth, cydia-nigricana, to vegetation previously exposed to sex-attractant. Entomologia Experimentalis et Applicata. 33 (1), pp. 112-116. https://doi.org/10.1111/j.1570-7458.1983.tb03241.x

A comparative-analysis of chrysoperla-carnea catches in light-traps and suction-traps

A - Papers appearing in refereed journals

Perry, J. N. and Bowden, J. 1983. A comparative-analysis of chrysoperla-carnea catches in light-traps and suction-traps. Ecological Entomology. 8 (4), pp. 383-394. https://doi.org/10.1111/j.1365-2311.1983.tb00518.x

Behavioral dynamics

A - Papers appearing in refereed journals

Taylor, L. R., Taylor, R. A. J., Woiwod, I. P. and Perry, J. N. 1983. Behavioral dynamics. Nature. 303 (5920), pp. 801-804. https://doi.org/10.1038/303801a0

Association of viruses with two protozoal pathogens of the honey bee (2)

A - Papers appearing in refereed journals

Bailey, L., Ball, B. V. and Perry, J. N. 1983. Association of viruses with two protozoal pathogens of the honey bee (2). Annals of Applied Biology - AAB. 103 (1), pp. 13-20. https://doi.org/10.1111/j.1744-7348.1983.tb02735.x

Effects of spatial heterogeneity on Jones's model for cyst-nematode population dynamics and crop root damage.

A - Papers appearing in refereed journals

Perry, J. N. 1983. Effects of spatial heterogeneity on Jones's model for cyst-nematode population dynamics and crop root damage. Journal of Applied Ecology. 20, pp. 849-856.

The behaviour of moths responding to pheromone sources in the field: a basis for discussion

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1982. The behaviour of moths responding to pheromone sources in the field: a basis for discussion. Colloquium INRA, France. 7, pp. 171-188.

A reappraisal of insect flight towards a distant point-source of wind-borne odor

A - Papers appearing in refereed journals

David, C. T., Kennedy, J. S., Ludlow, A. R., Perry, J. N. and Wall, C. 1982. A reappraisal of insect flight towards a distant point-source of wind-borne odor. Journal of Chemical Ecology. 8 (9), pp. 1207-1215. https://doi.org/10.1007/bf00990753

Fitting split-lines to ecological data

A - Papers appearing in refereed journals

Perry, J. N. 1982. Fitting split-lines to ecological data. Ecological Entomology. 7 (4), pp. 421-435. https://doi.org/10.1111/j.1365-2311.1982.tb00684.x

The diminished incidence of Acarapis woodi (Rennie) (Acari : Tarsonemidae) in honey bees, Apis mellifera L (Hymenoptera : Apidae), in Britain

A - Papers appearing in refereed journals

Bailey, L. and Perry, J. N. 1982. The diminished incidence of Acarapis woodi (Rennie) (Acari : Tarsonemidae) in honey bees, Apis mellifera L (Hymenoptera : Apidae), in Britain. Bulletin of Entomological Research. 72 (4), pp. 655-662. https://doi.org/10.1017/s0007485300008671

Compounds modifying the activity of 2 sex attractants for males of the pea moth, cydia-nigricana-(f)

A - Papers appearing in refereed journals

Greenway, A. R., Wall, C. and Perry, J. N. 1982. Compounds modifying the activity of 2 sex attractants for males of the pea moth, cydia-nigricana-(f). Journal of Chemical Ecology. 8 (2), pp. 397-408. https://doi.org/10.1007/bf00987788

Taylor's power law for dependence of variance on mean in animal populations

A - Papers appearing in refereed journals

Perry, J. N. 1981. Taylor's power law for dependence of variance on mean in animal populations. Journal of the Royal Statistical Society, Series C (Applied Statistics). 30 (3), pp. 254-263. https://doi.org/10.2307/2346349

The gene-for-gene relationship and its significance for potato cyct nematodes and their Solanaceous Hosts

B - Book chapters etc edited externally

Jones, F. G. W., Parrott, D. M. and Perry, J. N. 1981. The gene-for-gene relationship and its significance for potato cyct nematodes and their Solanaceous Hosts. in: Zuckerman, B. M. and Rohde, R. A. (ed.) Plant parasitic nematodes Volume 3 New York Academic Press.

The prevalence of viruses of honey bees in Britain

A - Papers appearing in refereed journals

Bailey, L., Ball, B. V. and Perry, J. N. 1981. The prevalence of viruses of honey bees in Britain. Annals of Applied Biology - AAB. 97 (1), pp. 109-118. https://doi.org/10.1111/j.1744-7348.1981.tb02999.x

Phenological and geographical relationships between catches of pea moth in sex-attractant traps

A - Papers appearing in refereed journals

Perry, J. N., Macaulay, E. D. M. and Emmett, B. J. 1981. Phenological and geographical relationships between catches of pea moth in sex-attractant traps. Annals of Applied Biology - AAB. 97 (1), pp. 17-26. https://doi.org/10.1111/j.1744-7348.1981.tb02990.x

Effects of dose and attractant on interactions between pheromone traps for the pea moth, cydia-nigricana

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1981. Effects of dose and attractant on interactions between pheromone traps for the pea moth, cydia-nigricana. Entomologia Experimentalis et Applicata. 30 (1), pp. 26-30. https://doi.org/10.1111/j.1570-7458.1981.tb03580.x

Contamination of vegetation with synthetic sex-attractant released from traps for the pea moth, cydia-nigricana

A - Papers appearing in refereed journals

Wall, C., Sturgeon, D. M., Greenway, A. R. and Perry, J. N. 1981. Contamination of vegetation with synthetic sex-attractant released from traps for the pea moth, cydia-nigricana. Entomologia Experimentalis et Applicata. 30 (2), pp. 111-115. https://doi.org/10.1111/j.1570-7458.1981.tb03083.x

Simulations of population models for cyst-nematodes: applications in agriculture.

G - Articles in popular magazines and other technical publications

Perry, J. N. and Jones, F. G. W. 1981. Simulations of population models for cyst-nematodes: applications in agriculture.

Phoridae (Diptera) from English pasture soils.

A - Papers appearing in refereed journals

Disney, R. H. L., Henderson, I. F., Perry, J. N. and Clements, R. O. 1981. Phoridae (Diptera) from English pasture soils. Pedobiologia. 22, pp. 366-378.

Variance and the large-scale spatial stability of aphids, moths and birds

A - Papers appearing in refereed journals

Taylor, L. R., Woiwod, I. P. and Perry, J. N. 1980. Variance and the large-scale spatial stability of aphids, moths and birds. Journal of Animal Ecology. 49 (3), pp. 831-854. https://doi.org/10.2307/4230

Studies on entomophthora in populations of aphis-fabae on field beans

A - Papers appearing in refereed journals

Wilding, N. and Perry, J. N. 1980. Studies on entomophthora in populations of aphis-fabae on field beans. Annals of Applied Biology - AAB. 94 (3), pp. 367-378. https://doi.org/10.1111/j.1744-7348.1980.tb03952.x

Latin square designs in field experiments involving insect sex attractants

A - Papers appearing in refereed journals

Perry, J. N., Wall, C. and Greenway, A. R. 1980. Latin square designs in field experiments involving insect sex attractants. Ecological Entomology. 5 (4), pp. 385-396. https://doi.org/10.1111/j.1365-2311.1980.tb01162.x

Effects of spacing and trap number on interactions between pea moth pheromone traps

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1980. Effects of spacing and trap number on interactions between pea moth pheromone traps. Entomologia Experimentalis et Applicata. 28 (3), pp. 313-321. https://doi.org/10.1111/j.1570-7458.1980.tb03031.x

Power of the index of dispersion test to detect spatial pattern

A - Papers appearing in refereed journals

Perry, J. N. and Mead, R. 1979. Power of the index of dispersion test to detect spatial pattern. Biometrics. 35 (3), pp. 613-622. https://doi.org/10.2307/2530252

Negative binomial as a dynamic ecological model for aggregation, and the density dependence of k

A - Papers appearing in refereed journals

Taylor, L. R., Woiwod, I. P. and Perry, J. N. 1979. Negative binomial as a dynamic ecological model for aggregation, and the density dependence of k. Journal of Animal Ecology. 48 (1), pp. 289-304. https://doi.org/10.2307/4114

Modelling populations of cyst-nematodes (Nematoda: Heteroderidae)

A - Papers appearing in refereed journals

Jones, F. G. W. and Perry, J. N. 1978. Modelling populations of cyst-nematodes (Nematoda: Heteroderidae). Journal of Applied Ecology. 15 (2), pp. 349-371. https://doi.org/10.2307/2402596

Some factors affecting build-up of cereal aphid infestations in winter wheat

A - Papers appearing in refereed journals

Henderson, I. F. and Perry, J. N. 1978. Some factors affecting build-up of cereal aphid infestations in winter wheat. Annals of Applied Biology - AAB. 89 (2), pp. 177-183. https://doi.org/10.1111/j.1744-7348.1978.tb07688.x

Population model for the effect of parasitic fungi on numbers of the cereal cyst-nematode, heterodera-avenae

A - Papers appearing in refereed journals

Perry, J. N. 1978. Population model for the effect of parasitic fungi on numbers of the cereal cyst-nematode, heterodera-avenae. Journal of Applied Ecology. 15 (3), pp. 781-787. https://doi.org/10.2307/2402775

Interactions between pheromone traps for pea moth, cydia-nigricana (f)

A - Papers appearing in refereed journals

Wall, C. and Perry, J. N. 1978. Interactions between pheromone traps for pea moth, cydia-nigricana (f). Entomologia Experimentalis et Applicata. 24 (2), pp. 155-162. https://doi.org/10.1111/j.1570-7458.1978.tb02766.x

Density-dependence of spatial behavior and rarity of randomness

A - Papers appearing in refereed journals

Taylor, L. R., Woiwod, I. P. and Perry, J. N. 1978. Density-dependence of spatial behavior and rarity of randomness. Journal of Animal Ecology. 47 (2), pp. 383-406. https://doi.org/10.2307/3790

Some factors affecting the build-up of cereal aphid infestations in winter wheat.

A - Papers appearing in refereed journals

Henderson, I. F. and Perry, J. N. 1978. Some factors affecting the build-up of cereal aphid infestations in winter wheat. Annals of Applied Biology - AAB. 89, pp. 177-183.

Computer simulation and population models for cyst-nematodes (Heteroderidae: nematoda)

A - Papers appearing in refereed journals

Jones, F. G. W., Kempton, R. A. and Perry, J. N. 1978. Computer simulation and population models for cyst-nematodes (Heteroderidae: nematoda). Nematropica. 8 (1), pp. 36-56.