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  • 1
    Publikationsdatum: 2021-05-19
    Beschreibung: Macrobenthic sampling was carried out during the survey of mussel beds (Mytilus edulis platensis, D'Orb)at the continental shelf of Buenos Aires province (Argentina)(EH-06/93, INIDEP). 47 samples were obtained with a hard bottom dredge between 18 m and 64 m depth;sedimentological samples were also collected in every station. The following descriptors were used: Maxime Dominance, Relative Dominance, Relative Presence (Bouderesque, 1971), Specific Diversity(H')(Shannon Weaver, 1963)and Evenness (J')(Pielou, 1966)Faunistic associations and areas of distribution were defined usingcluster analysis (UPGMA, Q and R modes)(Legendre Legendre, 1979).The community structure of the benthic macrofauna associated to mussel beds was defined for a coastal area between 37°S and 39°.These areas are characterized by a high heterogeneity in granulometric composition and patchy distribution of faunistics associations.
    Beschreibung: Publisher permission
    Beschreibung: Published
    Beschreibung: zoobentos, relevamientos pesqueros, estructura de la comunidad, muestras de arrastre, macrobentos, fondos de mitílidos
    Schlagwort(e): Zoobenthos ; Zoobenthos ; Fishery surveys ; Dredged samples
    Repository-Name: AquaDocs
    Materialart: Journal Contribution
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
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    Mar del Plata: Instituto Nacional de Investigacion y Desarrollo Pesquero
    Publikationsdatum: 2021-05-19
    Beschreibung: Fisheries of the mussel Mytilus edulis platensis, the tehuelche scallop Aequipecten tehuelchus and Patagonian scallop Zygochlamys patagonica are described. Information about catches of purple clam Amiantis purpurata in San Matias Gulf, mussel Aulacomya ater ater and hard shell clam Ameghinomya antiqua in San José Gulf is also presented. Regarding mytilus fishery, it is observed that the main catches were situated in Faro Querandí and Quequén beds (Buenos Aires Province, Argentina), where high densities occured in an area between 35 and 60 m depths. Those beds were exploited until the production was no more commercially interesting. The tehuelche scallop is a very well known resource from the Argentine Sea and its fisheries from San Matías and San José Gulfs was widely registered. However, both fisheries were ended due to low densities and declination of the stocks, during 1995 and 1996, respectively. Regarding the Patagonian scallop, during December 1994, the national government authorized the American F/V Erin Bruce to carry out a joint research program during a year. As a result of this experimental program, new and dense beds were found and regulation of extraction were established. In 1996, four fisheries vessels with equipment to process the mussels were authorized to fish. It was the beginning, of a new fishing in Argentina.
    Beschreibung: Ciocco, N.F.; Lasta, M.L.; Bremec, C. 1998. Pesquerías de bivalvos: mejillón, vieiras (tehuelche y patagónica) y otras especies.En: Boschi, E.E.; ed. Los moluscos de interés pesquero. Cultivos y estrategias reproductivas de bivalvos y equinoideos. Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero INIDEP, (El Mar Argentino y sus recursos pesqueros, 2) p.143-166.
    Beschreibung: Published
    Beschreibung: Mytilus edulis, Aequipecten tehuelchus, Zygochlamys patagonica, mejillón, vieira, almeja, cholga, pesquería de vieira, pesquería de mitílidos, zonas de pesca, relevamientos pesqueros, captura/esfuerzo, pesquería de almejas
    Schlagwort(e): Fishing grounds ; Mussel fisheries ; Scallop fisheries ; Clam fisheries ; Fishery surveys ; Catch/effort ; Fishing grounds
    Repository-Name: AquaDocs
    Materialart: Book Section
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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