Jim Asher

Rapid responses of British butterflies to opposing forces of climate and habitat change

M. S. Warren, Jane K. Hill, Jeremy A. Thomas et al. · Nature · 2001 · 1.3K citations · Full text

Life Sciences, Ecology, Zoology +15

Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis

Jeremy A. Thomas, Mark G. Telfer, David B. Roy et al. · Science · 2004 · 946 citations

Life Sciences, Biology, Ecology +14

Responses of butterflies to twentieth century climate warming: implications for future ranges

Jane K. Hill, Chris D. Thomas, Richard Fox et al. · Proceedings of the Royal Society B Biological Sciences · 2002 · 455 citations · Full text

Life Sciences, Ecology, Zoology +12

The effects of visual apparency on bias in butterfly recording and monitoring

Roger L. H. Dennis, Tim G. Shreeve, Nick J. B. Isaac et al. · Biological Conservation · 2005 · 98 citations

Life Sciences, Entomology, Zoology +5

Spatial trends in the sighting dates of British butterflies

David B. Roy, Jim Asher · International Journal of Biometeorology · 2003 · 26 citations

Life Sciences, Entomology, Zoology +3