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Composition of biofouling communities on suspended oyster cultures: an in situ study of their interactions with the water column ArchiMer
Mazouni, Nabila; Gaertner, J; Deslous-paoli, Jean-marc.
This study was based on in situ experiments conducted in a shellfish lagoon (Thau, France) to determine the interactions between suspended oyster Crassostrea gigas Thunberg cultures and their environment at a seasonal scale. Three groups of descriptors were considered simultaneously during the course of the study: the taxonomic composition of an oyster culture unit (OCU), the nutrient and oxygen exchanges at the OCU-water interface (fluxes) and the water-column characteristics (water). We used a multiple factorial analysis (MFA) to assess in a single reference frame: (1) the seasonal organisation of the taxonomic groups which compose the OCU and (2) the interactions between this multispecific assemblage and the water column. We found strong seasonal...
Tipo: Text Palavras-chave: Ascidians; Fluxes; Multicompartment approach; Biofouling; Oyster culture.
Ano: 2001 URL: https://archimer.ifremer.fr/doc/1996/publication-809.pdf
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Tunisian mega benthos from Infra (Posidonia meadows) and circalittoral (Coralligenous) sites OceanDocs
Ben Mustapha, K.; El Abed, A.; Komatsu, T.; Souissi, A.; Sammari, Ch.; Zarrouk, S; Hattour, A..
Several marine campaigns aiming to collect marine demosponges for specific research projects on their taxonomy and biogeography and to study the phenology and distribution of Posidonia oceanica a long the Tunisian coasts were conducted these last 10 years. They allowed a scuba diving prospecting of the infra and circalittoral zones of 555 marine stations. This field work was an occasion to describe some bottom’s associations, to highlight the general state of the main communities, specially the Posidonia and the coralligenous formations, and to draw up a list of their mega benthic species. In general, both biota are well preserved along the Tunisian coasts. except for some black spots, mainly the one of the gulf of Gabes, where detailed analysis showed...
Tipo: Journal Contribution Palavras-chave: Eponges; Ascidians; Coralligenous; Posidonia oceanica; Bryozoans; Benthos; Sponges.
Ano: 2002 URL: http://hdl.handle.net/1834/222
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