Vasthi Alonso-Chavez

Name	Vasthi Alonso-Chavez
Job title	Research Scientist - Modelling
Email address	vasthi.alonso-chavez@rothamsted.ac.uk
Department	Net Zero and Resilient Farming
Research cluster	BCP: Surveillance and Monitoring
ORCID	https://orcid.org/0000-0003-3506-7603
Preferred citation	Alonso Chavez, V.
Office	Harpenden

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Research outputs

Trade-offs associated with changing cropping patterns in semi-arid areas of Morocco

El-Fartassi, I., Milne, A. E., Oulaid, B., Bezrhoud, Y., Metcalfe, H., Alonso Chavez, V., Coleman, K., Diarra, A., Alami, R. E., Prout, J., Waine, T., Zawadzka, J. and Corstanje, R. 2025. Trade-offs associated with changing cropping patterns in semi-arid areas of Morocco . Science of the Total Environment. 979, p. 179492. https://doi.org/10.1016/j.scitotenv.2025.179492

Early detection strategies for invading tree pests: Targeted surveillance and stakeholder perspectives

Alonso Chavez, V., Brown, N., Van Den Bosch, F., Parnell, S., Dyke, A., Hall, C., Karlsdottir, B., Marzano, M., Morris, J., O’Brien, L., Williams, D. and Milne, A. E. 2025. Early detection strategies for invading tree pests: Targeted surveillance and stakeholder perspectives. Journal of Applied Ecology. pp. 1-15. https://doi.org/10.1111/1365-2664.70009

An agent-based model of farmer decision making: Application to shared water resources in Arid and semi-arid regions

El-Fartassi, I., Milne, A. E., Metcalfe, H., El Alami, R., Diarra, A., Alonso Chavez, V., Zawadzka, J., Waine, T. W. and Constanje, R. 2025. An agent-based model of farmer decision making: Application to shared water resources in Arid and semi-arid regions. Agricultural Water Management. 310 (April), p. 109357. https://doi.org/10.1016/j.agwat.2025.109357

Validating a cassava production spatial disaggregation model in sub-Saharan Africa

Hassall, K. L., Alonso Chavez, V., Sint, H. M., Helps, J., Abidrabo, P., Okao-Okuja, G., Eboulem, R. G., Amoakon, W. J., Otron, D. H. and Szyniszewska, A. 2024. Validating a cassava production spatial disaggregation model in sub-Saharan Africa. PLOS ONE. https://doi.org/10.1371/journal.pone.0312734

Host map of Ash trees in Great Britain

Brown, N., Alonso Chavez, V., Milne, A. E. and Parnell, S. 2023. Host map of Ash trees in Great Britain. Rothamsted Research. https://doi.org/10.23637/rothamsted.98y37

Modelling in cassava production and pest management under biotic and abiotic constraints

Alonso Chavez, V., Milne, A. E., Van Den Bosch, F., Pita, J. and Mcquaid, C. F. 2021. Modelling in cassava production and pest management under biotic and abiotic constraints. Plant Molecular Biology. https://doi.org/10.1007/s11103-021-01170-8

Modelling lifestyle changes in Insect endosymbionts, from insect mutualist to plant pathogen

Manning-Smith, R., Alonso Chavez, V., Helps, J., Shaw, M. W. and Van Den Bosch, F. 2020. Modelling lifestyle changes in Insect endosymbionts, from insect mutualist to plant pathogen. Evolutionary Ecology. 34, p. 867–891. https://doi.org/10.1007/s10682-020-10071-z

What makes or breaks a campaign to stop an invading plant pathogen?

Milne, A., Gottwald, T., Parnell, S. R., Alonso Chavez, V. and Vandenbosch, F. 2020. What makes or breaks a campaign to stop an invading plant pathogen? PLOS Computational Biology. 16 (2), p. e1007570. https://doi.org/10.1371/journal.pcbi.1007570

Variability in commercial demand for tree saplings affects the probability of introducing exotic forest diseases

Alonso Chavez, V., Gilligan, C. A. and Van Den Bosch, F. 2018. Variability in commercial demand for tree saplings affects the probability of introducing exotic forest diseases. Journal of Applied Ecology. 56 (1), pp. 80-89. https://doi.org/10.1111/1365-2664.13242

Stress and sexual reproduction affect the dynamics of the wheat pathogen effector AvrStb6 and strobilurin resistance

Kema, G. H. J., Mirzadi Gohari, A., Aouini, L., Gibriel, H. A. Y., Ware, S. B., Van Den Bosch, F., Manning-Smith, R., Alonso Chavez, V., Helps, J., Ben M’Barek, S., Mehrabi, R., Diaz-Trujillo, C., Zamani, E., Schouten, H. J., Van Der Lee, T. A. J., Waalwijk, C., de Waard, M. A., de Wit, P. J. G. M., Verstappen, E. C. P., Thomma, B. P. H. J., Meijer, H. J. G. and Seidl, M.l F. 2018. Stress and sexual reproduction affect the dynamics of the wheat pathogen effector AvrStb6 and strobilurin resistance. Nature Genetics. 50 (3), pp. 375-380. https://doi.org/10.1038/s41588-018-0052-9

A method of determining where to target surveillance efforts in heterogeneous epidemiological systems

Mastin, A. J., Van Den Bosch, F., Gottwald, T. R., Alonso Chavez, V. and Parnell, S. R. 2017. A method of determining where to target surveillance efforts in heterogeneous epidemiological systems. PLOS Computational Biology. 13 (8), p. e1005712. https://doi.org/10.1371/journal.pcbi.1005712

Monitoring invasive pathogens in plant nurseries for early-detection and to minimise the probability of escape

Alonso Chavez, V., Parnell, S. and Van Den Bosch, F. 2016. Monitoring invasive pathogens in plant nurseries for early-detection and to minimise the probability of escape. Journal of Theoretical Biology. 407, pp. 290-302. https://doi.org/10.1016/j.jtbi.2016.07.041

Designing strategies for epidemic control in a tree nursery: the case of ash dieback in the UK

Alonso Chavez, V., Parnell, S. and Van Den Bosch, F. 2015. Designing strategies for epidemic control in a tree nursery: the case of ash dieback in the UK. Forests. 6 (11), pp. 4135-4145. https://doi.org/10.3390/f6114135

Early detection surveillance for an emerging plant pathogen: a rule of thumb to predict prevalence at first discovery

Parnell, S., Gottwald, T. R., Cunniffe, N. J., Alonso Chavez, V. and Van Den Bosch, F. 2015. Early detection surveillance for an emerging plant pathogen: a rule of thumb to predict prevalence at first discovery. Proceedings of the Royal Society of London Series B Biological Sciences. 282, p. 20151478. https://doi.org/10.1098/rspb.2015.1478