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"250-500 years ago, the freshwater white-clawed crayfish was recorded across much of England (although not Ireland). It is now steeply declining in Britain due to the introduction of the signal crayfish which carries crayfish plague. 🦞🤍 Map from my #AtlasOfEarlyModernWildlife #envhist #biodiversity"
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"Map showing distribution of white-clawed crayfish 250-500 years ago. There are records across much of England, one record from Dublin, an absence record from Cornwall"
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createdAt:
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