Research and Publications
Citizen science and invasive alien species: Predicting the detection of the oak processionary moth Thaumetopoea processionea by moth recorders. Biological Conservation, 208, 146-154.
(2017) The contribution of volunteer recorders to our understanding of biological invasions. Biological Journal of the Linnean Society, 115, 678–689.
(2015) 
The development of butterfly indicators in the United Kingdom and assessments in 2010. Journal of Insect Conservation, 15, 139-151.
(2011) 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 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) Experimental evidence for optimal hedgerow cutting regimes for Brown hairstreak butterflies. Insect Conservation and Diversity, 11, 213-218.
(2018) (2017)
(2016)
Lepidoptera communities across an agricultural gradient: how important are habitat area and habitat diversity in supporting high diversity?. Journal of Insect Conservation, 19, 403-420.
(2015) Little and late: How reduced hedgerow cutting can benefit Lepidoptera. Agriculture, Ecosystems & Environment, 224, 22-28.
(2016) Non-Native Species Portal Feasibility Study. CEH, Huntingdon.
(2008) (2016)
The role of ecological interactions in determining species ranges and range changes. Biological Journal of the Linnean Society, 115, 647–663.
(2015) 
(2018)
Sensitivity of UK butterflies to local climatic extremes: which life stages are most at risk?. Journal of Animal Ecology, 86, 108-116.
(2017) Similarities in butterfly emergence dates among populations suggest local adaptation to climate. Global Change Biology, 21, 3313-3322.
(2015) 
The State Of The Uk’s Butterflies 2015. Butterfly Conservation and the Centre for Ecology & Hydrology, Wareham, Dorset.
(2015) (2010)
United Kingdom Butterfly Monitoring Scheme Report For 2007. CEH, Wallingford.
(2008)