Research and Publications
(2017)
The effects of visual apparency on bias in butterfly recording and monitoring. Biological Conservation, 128, 486-492.
(2006) 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.
(2011) The Effects Of Climate And Habitat On Butterfly Populations. University of Southampton.
(2006) Economy is a better predictor of biological invasions in Europe than geography and climate. Proceedings of the National Academy of Sciences, 107, 12157-12162.
(2010) An Ecological Classification of British Butterflies: Ecological Attributes and Biotope Occupancy. Journal of Insect Conservation, 5, 145-161.
(2001) Dynamic Models for Longitudinal Butterfly Data. Journal of Agricultural Biological and Environmental Statistics, 21, 1-21.
(2016) 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.
(2009) The distributions of a wide range of taxonomic groups are expanding polewards. Global Change Biology, 12, 450-455.
(2006) Direct and indirect effects of climate and habitat factors on butterfly diversity. Ecology, 88, 605-611.
(2007) The development of butterfly indicators in the United Kingdom and assessments in 2010. Journal of Insect Conservation, 15, 139-151.
(2011) Developing and launching a wider countryside butterfly survey across the United Kingdom. Journal of Insect Conservation, 15, 279-290.
(2011) Developing and enhancing biodiversity monitoring programmes: a collaborative assessment of priorities. Journal of Applied Ecology, 52, 686–695.
(2015) 
Developing A Uk-Wide Butterfly Monitoring Scheme: Integrating The Wider Countryside. Centre for Ecology and Hydrology and Butterfly Conservation.
(2008) (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, 54, 872-882.
(2017) 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.
(2008) Declines in forage availability for bumblebees at a national scale. Biological Conservation, 132, 481-489.
(2006) (2005)
Climate change, climatic variation and extreme biological responses. Phil. Trans. R. Soc. B, 372, 20160144.
(2017) 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.
(2008) Changes in the composition of British butterfly assemblages over two decades. Global Change Biology, 14, 1464-1474.
(2008) Changes in habitat specificity of species at their climatic range boundaries. Ecology Letters, 12, 1091-1102.
(2009) Can trait-based analyses of changes in species distribution be transferred to new geographic areas?. Global Ecology and Biogeography, 23, 1009-1018.
(2014)