Research and Publications
A novel parasitoid and a declining butterfly: cause or coincidence?. Ecological Entomology, 36, 271-281.
(2011) The Butterfly Red List For Great Britain. Joint Nature Conservation Committee, Peterborough.
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Changes in habitat specificity of species at their climatic range boundaries. Ecology Letters, 12, 1091-1102.
(2009) Changes in the composition of British butterfly assemblages over two decades. Global Change Biology, 14, 1464-1474.
(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.
(2008) Developing A Uk-Wide Butterfly Monitoring Scheme: Integrating The Wider Countryside. Centre for Ecology and Hydrology and Butterfly Conservation.
(2008) United Kingdom Butterfly Monitoring Scheme Report For 2007. CEH, Wallingford.
(2008) Government targets for protected area management: will threatened butterflies benefit?. Biodiversity and Conservation, 16, 3719-3736.
(2007) Reduced-effort schemes for monitoring butterfly populations. Journal of Applied Ecology, 44, 993-1000.
(2007) United Kingdom Butterfly Monitoring Scheme Report For 2006. Centre for Ecology and Hydrology, Huntingdon.
(2007) The State Of Butterflies In Britain And Ireland. Pisces, Newbury.
(2006) Thirty years and counting: the contribution to conservation and ecology of butterfly-monitoring in the UK. British Wildlife, 17, 162-170.
(2006) United Kingdom Butterfly Monitoring Scheme Report For 2005. Centre for Ecology and Hydrology, Huntingdon.
(2006)