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Les Naïades de la région Grand-Est : état des connaissances et perspectives

Florent LAMAND & Xavier CUCHERAT

fr Naturae 2021 (6) - Pages 65-78

Published on 10 March 2021

This article is a part of the thematic issue Colloque national de malacologie continentale, Nantes, 6 et 7 décembre 2018

The naiads of Grand-Est region: state of knowledge and perspectives

The freshwater mussels of order of Unionida Gray, 1854 are considered as ecosystem engineers in freshwater ecosystems and are amongst the most imperiled world-wide fauna. In the French Grand-Est region, eleven species occur. On the basis of contemporary data collected and several old date (1800), a database of 1200 sites has been built, on which a synthesis of occurrence of each species has been mapped and commented. Bias and futures perspectives are discussed in the light of the needs of conservation for a better consideration of these species in local environmental policies. 
 

Keywords :
Chorology, distribution, Unionida, conservation, populations, atlas.
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