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Freshwater fish population and community dynamics, including interactions with non-native species, roles in lake ecosystems, effects of climate change, the use of hydroacoustics for studies of fish and their habitats, and the applied issues of the conservation of biodiversity and fisheries management.
I work within the Lake Ecosystems Group of CEH, with over 28 years of research experience encompassing diverse areas of freshwater fish ecology. I have a particular interest in population and community dynamics, including interactions with non-native species, roles in lake ecosystems, effects of climate change, the use of hydroacoustics for studies of fish and their habitats, and the applied issues of the conservation of biodiversity and fisheries management.
Most notably, I lead long-term population studies on the major fish species of Windermere which have been conducted since the 1940s and which now constitute a unique lake fish dataset of global standing leading to frequent international collaborations.
I have been an Assistant Editor of the Journal of Fish Biology and I am currently a member of the Editorial Boards of Aquatic Conservation: Marine and Freshwater Ecosystems, Freshwater Biology, Journal of Fish Biology and Journal of Limnology. I have edited or co-edited eight conference proceedings and a section of a major encyclopedia, and I am a co-editor of the standard reference text for cyprinid fishes. I also frequently co-supervise undergraduate and postgraduate student research projects at a number of universities, particularly at Lancaster University where I also teach.
I am currently the President of the Fisheries Society of the British Isles, a Fellow of the Institute of Fisheries Management and I sit on a number of regional, national and international advisory bodies. To date, my research has led to 161 scientific publications, 319 contract reports (for a range of customers including Natural England, Countryside Council for Wales, Environment Agency and Scottish Natural Heritage), 9 published datasets and 38 popular articles, together with numerous appearances in regional, national and international media.
BSc in Zoology (First Class Honours, University College of North Wales, Bangor)
PhD (University of East Anglia)
British Ecological Society, Fisheries Society of the British Isles, Freshwater Biological Association, Registered Member of the Institute of Fisheries Management, Society for the Environment.