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reynolds

Julian Reynolds 

How safe is an island arksite? The example of crayfish in Ireland

I am a freshwater ecologist, studying fish and crustaceans since the 1960s in Ireland, West Africa and western North America. My interest in crayfish was stimulated by seeing signal crayfish (Pacifastacus leniusculus) in Vancouver Island streams, and then, back in Ireland, developing an absorbing interest in white-clawed crayfish (Austropotamobius pallipes). I also studied small and atypical freshwater habitats, from impoundments and temporary lakes to bogs, fens and warm springs. All helped me understand the habitat requirements of crayfish and replicating them in culture.