David M Hannah Editor & Author

Dr Paul J. Wood is Lecturer in Hydrology and Ecology, at the Department of Geography, Loughborough University, and has held this post since April 2000. He obtained his B.Sc. Hons. at Loughborough 1993, followed by his Ph.D. in Low flows and siltation in chalk streams with particular reference to the macroinvertebrate community in 1996. Dr Wood has over 11 years experience of groundwater ecology and hydrological disturbance of freshwater ecosystems and has published over 35 articles in this area. His main research interests are in the interaction of freshwater organisms with their environment

Dr David M. Hannah is Senior Lecturer in Physical Geography at the School of Geography, Earth & Environmental Sciences, University of Birmingham and has held this post since 2005. He obtained his B.Sc. Hons in Physical Geography at the University of Aberdeen in 1994, followed by his Ph.D. in Meltwater generation and drainage at the University of Birmingham in 1997. Dr Hannah has over 9 years experience of interdisciplinary research at the interface between hydrology and climatology and has published 23 articles on this subject.

Dr Jonathan P. Sadler has been Reader in Biogeography and Senior Examinations Officer at the University of Birmingham since 1993. Previously he completed a Ph.D. in Biogeography at Sheffield and an M.Sc. and B.Sc.  in Birmingham. He is a fellow of the Royal Entomological Society and member of the British Ecological Society. He is also Editor of the Journal of Biogeography (Oct. 2004-); on the Editorial Panel (Biogeography) of Geography Compass (Oct 06-) and was Physical Geography editor for the Royal Geographical Society/Institute of British Geographers book series (Nov 2000-Jan 06). Dr Sadler has over 17 years experience of the disturbance ecology of invertebrates, and has published over 70 articles on these subjects.