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Youssara, F; Gaudy, R. |
Zooplankton from the upper 200 m of the Almeria-Oran frontal region, (east of the Alboran sea, western Mediterranean) was sampled during winter 1997, using two nets equipped with 200 and 80 mum mesh. Eight sites representative of the different hydrodynamic structures (Mediterranean water, geostrophic Atlantic jet, associated anticyclonic gyre) were investigated over 2 d, using two day- and two night-samples per site. Zooplankton biomass was correlated to chlorophyll abundance, with lowest values in the oligotrophic Mediterranean water and highest in Atlantic water. The high biomass resulted from the enhancement of the secondary production, as indicated by the greater proportion of nauplii and the increase of zooplankton metabolism and feeding. Total... |
Tipo: Text |
Palavras-chave: Mer d’Alboran; Distribution; Front; Zooplancton; Alboran sea; Distribution; Front; Zooplankton. |
Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00322/43348/42878.pdf |
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Cussatlegras, As; Geistdoerfer, P; Prieur, L. |
Plankton bioluminescence measurements were made in the Almeria-Oran frontal zone during December 1997 and January 1998. Vertical profiles of bioluminescence, chlorophyll fluorescence, temperature and salinity were obtained using a bathyphotometer associated with a CTD (conductivity-temperature-depth) probe on a rosette. The first leg of the cruise was a regular sampling along a cross section of the area. The second leg consisted of a repetitive sampling of twelve stations at each one of the eight sites located in different water masses. Hydrological data allowed a distinction from north to south of three different water masses: Mediterranean, frontal and Atlantic. The continuous sampling indicated an increased bioluminescence in the frontal zone, with high... |
Tipo: Text |
Palavras-chave: Zone frontale; Mer d’Alboran; Bioluminescence du plancton; Frontal zone; Alboran Sea; Bioluminescent plankton. |
Ano: 2001 |
URL: http://archimer.ifremer.fr/doc/00322/43352/42861.pdf |
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