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Space and time variations in zooplankton distribution south of Marseilles ArchiMer
Gaudy, R; Champalbert, G.
The mesozooplankton distribution in the upper water layer (up to 200 m) off Marseilles (NW Mediterranean Sea) was studied during 22 cruises performed between March 1992 and February 1995. Four stations (M1, M3, M5 and M7) were investigated along a coast-open sea transect. Spatial and seasonal variations of zooplankton were described using different quantitative parameters: biomass (dry weight, carbon, nitrogen), displacement volume (biovolume) and abundance of total organisms. C/N ratio, dry weight per individual and volume per individual were also calculated. The seasonal quantitative variations occurring at the four stations were not well synchronized. Annual maximum biomass was observed during spring and summer at M1 but only in early spring at the...
Tipo: Text Palavras-chave: Zooplancton; Distribution spatio-temporelle; Gradient côte-large; Méditerannée nord-occidentale; Zooplankton; Space-time distribution; Open-coast sea gradient; Northwestern Mediterranean.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00325/43641/43225.pdf
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Variabilite de la distribution spatio-temporelle du poulpe (octopus vulgaris) le long des côtes de Mauritanie OceanDocs
Inejih, C.A.O.; Quiniou, L.; Dochi, T..
Les données d’une quarantaine de campagnes de chalutage couvrant l’ensemble du plateau continental mauritanien organisées entre 1982 et 1998 sont utilisées pour étudier la distribution spatio-temporelle du poulpe (Octopus vulgaris) dans la ZEE mauritanienne. Le Système d’Information Géographique (SIG) est utilisé pour analyser la distribution spatiale de cette espèce. Leurs résultats et leur consistance sont ensuite comparés à ceux issus des analyses de variance (ANOVA) conduite parallèlement sur le même jeu de données. On montre une dichotomie saisonnière de la répartition spatiale du poulpe avec un fort contraste à l’échelle de l’année entre la saison froide (janvier à février) et la saison chaude (août à octobre). Cette structuration spatio-temporelle...
Tipo: Journal Contribution Palavras-chave: Spatial and temporal distribution; Distribution spatio-temporelle; Mauritania; Ocopus vulgaris; Squid fisheries; Spatial distribution; Temporal distribution.
Ano: 2002 URL: http://hdl.handle.net/1834/219
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