Abstract :
[en] The study presents an inventory and assessing the space-time organization of mollusk communities in the midlittoral coastal area between Bouzedjar and Arzew in western Algeria. A total of 32 species of Mollusca were identified at 5 sampling stations (systematic monthly sampling) during 2016/2017. Ecological indices such as the abundance of organisms (from 1167 to 2856 ind. m-2), number of species (15 Gastropoda, 3 Bivalvia, and 1 Placophora), diversity (H’), Evenness (J’), applied to the data, indicate the coastal ecosystem is disturbed and unbalanced (particularly in Arzew) because of numerous human activities impacting this area. Thus, this study contributes to providing a distribution map and a database for the management, biomonitoring, and subsequent conservation of coastal ecosystems.
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