Dennis, E.B., Morgan, B.J.T., Freeman, S.N., Ridout, M.S., Brereton, T.M., Fox, R., Powney, G.D. & Roy, D.B. (2017) Efficient occupancy model-fitting for extensive citizen-science data. PloS one, 12, e0174433.

Dennis, R.L.H., Shreeve, T.G., Isaac, N.J.B., Roy, D.B., Hardy, P.B., Fox, R. & Asher, J. (2006) The effects of visual apparency on bias in butterfly recording and monitoring. Biological Conservation, 128, 486-492.

Botham, M.S., Ash, D., Aspey, N., Bourn, Na. D., Bulman, C.R., Roy, D.B., Swain, J., Zannese, A. & Pywell, R.F. (2011) The effects of habitat fragmentation on niche requirements of the marsh fritillary, Euphydryas aurinia, (Rottemburg, 1775) on calcareous grasslands in southern UK. Journal of Insect Conservation, 15, 269-277.

Roy, D.B. (2006) The Effects Of Climate And Habitat On Butterfly Populations. University of Southampton.

Pyšek, P., Jarošík, V., Hulme, P.E., Kühn, I., Wild, J., Arianoutsou, M., Bacher, S., Chiron, F., Didžiulis, V., Essl, F., Genovesi, P., Gherardi, F., Hejda, M., Kark, S., Lambdon, P.W., Desprez-Loustau, M., Nentwig, W., Pergl, J., Poboljšaj, K., Rabitsch, W., Roques, A., Roy, D.B., Shirley, S., Solarz, W., Vilà, M. & Winter, M. (2010) Economy is a better predictor of biological invasions in Europe than geography and climate. Proceedings of the National Academy of Sciences, 107, 12157-12162.

Shreeve, T.G., Dennis, R.L.H., Roy, D.B. & Moss, D. (2001) An Ecological Classification of British Butterflies: Ecological Attributes and Biotope Occupancy. Journal of Insect Conservation, 5, 145-161.

Dennis, E.B., Morgan, B.J.T., Freeman, S.N., Roy, D.B. & Brereton, T.M. (2016) Dynamic Models for Longitudinal Butterfly Data. Journal of Agricultural Biological and Environmental Statistics, 21, 1-21.

Botham, M.S., Rothery, P., Hulme, P.E., Hill, M.O., Preston, C.D. & Roy, D.B. (2009) Do urban areas act as foci for the spread of alien plant species? An assessment of temporal trends in the UK. Diversity and Distributions, 15, 338-345.

Hickling, R., Roy, D.B., Hill, J.K., Fox, R. & Thomas, C.D. (2006) The distributions of a wide range of taxonomic groups are expanding polewards. Global Change Biology, 12, 450-455.

Menéndez, R., González-Megías, A., Collingham, Y.C., Fox, R., Roy, D.B., Ohlemüller, R. & Thomas, C.D. (2007) Direct and indirect effects of climate and habitat factors on butterfly diversity. Ecology, 88, 605-611.

Brereton, T.M., Roy, D.B., Middlebrook, I., Botham, M.S. & Warren, M.S. (2011) The development of butterfly indicators in the United Kingdom and assessments in 2010. Journal of Insect Conservation, 15, 139-151.

Brereton, T.M., Cruickshanks, K.L., Risely, K., Noble, D.G. & Roy, D.B. (2011) Developing and launching a wider countryside butterfly survey across the United Kingdom. Journal of Insect Conservation, 15, 279-290.

Pocock, M.J.O., Newson, S.E., Henderson, I.G., Peyton, J., Sutherland, W.J., Noble, D.G., Ball, S.G., Beckmann, B., Biggs, J., Brereton, T.M., Bullock, D.J., Buckland, S.T., Edwards, M., Eaton, M.A., Harvey, M.C., Hill, M.O., Horlock, M., Hubble, D.S., Julian, A.M., Mackey, E.C., Mann, D.J., Marshall, M.J., Medlock, J.M., O'Mahony, E.M., Pacheco, M., Porter, K., Prentice, S., Procter, D.A., Roy, H.E., Southway, S.E., Shortall, C.R., Stewart, A.J.A., Wembridge, D.E., Wright, M.A. & Roy, D.B. (2015) Developing and enhancing biodiversity monitoring programmes: a collaborative assessment of priorities. Journal of Applied Ecology, 52, 686–695.

Roy, D.B., Brereton, T.M., Cruickshanks, K.L., J. Greatorex-Davies, N., Middlebrook, I., Rothery, P. & Warren, M.S. (2008) Developing A Uk-Wide Butterfly Monitoring Scheme: Integrating The Wider Countryside. Centre for Ecology and Hydrology and Butterfly Conservation.

Dyer, R.James, Gillings, S., Pywell, R.F., Fox, R., Roy, D.B. & Oliver, T.H. (2016) Developing a biodiversity‐based indicator for large‐scale environmental assessment: a case study of proposed shale gas extraction sites in Britain. Journal of Applied Ecology.

Dyer, R.James, Gillings, S., Pywell, R.F., Fox, R., Roy, D.B. & Oliver, T.H. (2017) Developing a biodiversity-based indicator for large-scale environmental assessment: a case study of proposed shale gas extraction sites in Britain. Journal of Applied Ecology, 54, 872-882.

Roy, D.B., Rothery, P. & Brereton, T.M. (2005) The Design Of A Systematic Survey Scheme To Monitor Butterflies In The United Kingom. In: Studies On The Ecology And Conservation Of Butterflies In Europe, Vol 1. General Concepts And Case Studies, Pp. 102-105. Kuhn, E., Fieldmann, R. Thomas, J.a. And Se. Pensoft, Sofia.

Roy, D.B. (2008) Delivering Alien Invasive Species Inventories For Europe (Daisie). Final Report For The Framework Vi Strategic Targeted Research Project Sspi-Ct-2003-511202. Centre for Ecology and Hydrology, Huntingdon.

Carvell, C., Roy, D.B., Smart, S.M., Pywell, R.F., Preston, C.D. & Goulson, D. (2006) Declines in forage availability for bumblebees at a national scale. Biological Conservation, 132, 481-489.

Mackey, E., Heritage, S.Natural, Preston, C.D., van der Wal, R., Welch, D., Roy, D.B. & Hill, M.O. (2005) COMMISSIONED REPORT.

Palmer, G., Platts, P.J., Brereton, T., Chapman, J.W., Dytham, C., Fox, R., Pearce-Higgins, J.W., Roy, D.B., Hill, J.K. & Thomas, C.D. (2017) Climate change, climatic variation and extreme biological responses. Phil. Trans. R. Soc. B, 372, 20160144.

Brereton, T.M., Warren, M.S., Roy, D.B. & Stewart, K. (2008) The changing status of the Chalkhill Blue butterfly Polyommatus coridon in the UK: the impacts of conservation policies and environmental factors. Journal of Insect Conservation, 12, 629-638.

González-Megías, A., Menéndez, R., Roy, D.B., Brereton, T.M. & Thomas, C.D. (2008) Changes in the composition of British butterfly assemblages over two decades. Global Change Biology, 14, 1464-1474.

Oliver, T.H., Hill, J.K., Thomas, C.D., Brereton, T.M. & Roy, D.B. (2009) Changes in habitat specificity of species at their climatic range boundaries. Ecology Letters, 12, 1091-1102.

Powney, G.D., Preston, C.D., Purvis, A., van Landuyt, W. & Roy, D.B. (2014) Can trait-based analyses of changes in species distribution be transferred to new geographic areas?. Global Ecology and Biogeography, 23, 1009-1018.