Consulta: subjectFacets:"Marennes-OlCron"
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Data/hora: 05/06/2024 05:44:42

Crepidula fornicata L. (mollusque, gastéropode) en baie de Marennes-Oléron : cartographie des fonds par sonar à balayage latéral et estimation du stock
Provedor de dados: 5
Autores: Sauriau, Pierre-guy; Pichocki-seyfried, C; Walker, P; De Montaudouin, Xavier; Palud, Cecile; Heral, Maurice.
Extensive and detailed subtidal ground mapping of the Marennes-Oleron Bay and Fouras-Aix areas was performed with a side-scan sonar. Side-scan sonographs gave a comprehensive view of sedimentological bottom environments and also allowed us to outline locations of grounds colonised by the gastropod mollusc Crepidula fornicata L. with a precise estimate of their surface. A sedimentological map of the centre of the Marennes-Oleron Bay is given, describing spatial organisation of the following four types of sediment: pure mud, fine sand, coarse sand and rocks. Crepidula beds were also recognised on sonographs and were estimated to cover 181 hectares in the Fouras-Aix area and 615 hectares within the Marennes-Oleron Bay. Standard sampling methods were then...
Tipo: Text
Palavras-chave: Crepidula fornicata; Cartographic; Stock; Sonar à balayage latéral; Marennes-OlCron; Crepidula fornicata; Mapping; Stock assessment; Side-scan sonar; Marennes-Oleron Bay.
Ano: 1998
URL: http://archimer.ifremer.fr/doc/1998/publication-854.pdf