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Première mention de la Veloutée moine, Ashfordia granulata (Alder, 1830) (Gastropoda, Hygromiidae) dans la région Nord - Pas-de-Calais (France)

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Author(s): Tarek Oueslati

Journal: MalaCo
ISSN 1778-3941

Volume: 8;
Start page: 404;
Date: 2012;
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Keywords: Mollusca | Nord - Pas-de-Calais | Ashfordia granulata | first mention | underground water seepage | cliff base | sand dunes | coast

ABSTRACT
Widely distributed in England, Ashfordia granulata is known from France in the Somme, Bretagne and Basse-Normandie regions. This note describes the first reporting of the species in the Nord-Pas-de-Calais region. It was found in seepages between beach and sand dunes at Pointe aux Oies, between Wimereux and Ambleteuse. This population is restricted to a few square meters and was not found in similar biotopes nearby. Trampling by hikers and marine erosion are the major threats to this isolated population.
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