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| Corbera, Jordi; Sorbe, Jean Claude. |
| The structure of the cumacean assemblages from the southern margin of the Cap Ferret Canyon was studied at 13 stations ranging from 346 to 1099 m depth with a modified Macer-GIROQ suprabenthic sledge (four superimposed nets; 0.5 mm mesh size). A total of 1885 specimens were collected and classified into 5 families and 42 species. The total abundances fluctuated between 2.8 ind./100 m2 (station TS04; 484-485 m) and 55.8 ind./100 m2 (station TS08; 714-708 m). The highest values of species richness and diversity were recorded at station TS13 (1097-1099 m): S=25 species; H’(log2)=4.05. The near-bottom vertical distribution of the cumacean fauna showed the same pattern at all stations: at least 60% of the individuals were sampled by the lower net of the sledge... |
| Tipo: Text |
Palavras-chave: Cumacea; Assemblages; Suprabenthos; Bathyal; Bay of Biscay; NE Atlantic Ocean. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00629/74124/73558.pdf |
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| Dauvin, J; Desroy, Nicolas; Denis, L; Ruellet, T. |
| The suprabenthos comprises all bottom-dependent animals, mainly crustaceans (including decapods and peracarids), which perform - with varying amplitude, intensity and regularity - seasonal or daily vertical migrations above the sea floor. The presence of organisms in the Benthic Boundary Layer is determined by two general factors: (1) organism behaviour, which depends on the light penetration in the water column and (2) boundary-layer hydrodynamics. In the coastal zone of the eastern English Channel, during the spring Phaeocystis bloom, the presence of gelatinous colonies modifies the penetration of light in the water column, which may seriously affect the abundance and/or the behaviour of the suprabenthos community. To clarify this point, 19 suprabenthic... |
| Tipo: Text |
Palavras-chave: Diel migration; Phaeocystis bloom; English channel; Suprabenthos. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-4066.pdf |
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