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Conservation of Austropotamobius pallipes in two SIC sites of Lombardy (Austropot. lombardo)
Date du début: 1 oct. 2001, Date de fin: 30 sept. 2004,
Background
Though white-clawed crayfish (Austropotamobius pallipes) have a range covering the entire Italian peninsula, they are confined to the least polluted watercourses. Once also quite widespread in the Po basin, the numbers of this crustacean have fallen steeply. Its decline can be largely explained by the degradation of water quality caused by wast ...
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