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Source : Ifremer

Mixed layer heat budget in the Iceland Basin from Argo

De Boisseson, Eric et al. (oct. 2010)

The mixed layer processes that govern the mode water properties in the Iceland Basin are quantified through a mixed layer heat budget from Argo data collected over 2001-2007. This budget includes the mixed layer heat content variation, the surface heat fluxes, and the Ekman contribution to advection ...

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Source : Ifremer

Delayed mode quality control of Ovide Argo Data. Float WMO 6900492

Lagadec, Catherine et al. (25 avr. 2012)

This report presents the delayed mode analysis of an Argo float. Real time quality control flags are checked and interesting profiles are plotted. The OW method (objective analysis) is used to detect a conductivity sensor drift and correct it, if any.

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Source : Ifremer

Delayed mode quality control of Ovide Argo data - float WMO 6900493

Lagadec, Catherine et al. (22 oct. 2015)

This report presents the delayed mode analysis of an Argo float. Real time quality control flags are checked and interesting profiles are plotted. The OW method (objective analysis) is used to detect a conductivity sensor drift and correct it, if any.

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Source : Ifremer

Estimation des rejets de peche des chalutiers français en mer Celtique

Rochet, Marie-joelle et al. (juil. 2001)

Discards of the French trawler fleet operating in the Celtic Sea in 1997 were studied. Twenty-six trips, representing 0.8% of the total fishing effort, were sampled. This fleet consists of three métiers, benthic trawlers, demersal trawlers and Nephrops trawlers. The fleet discarded an estimated ...

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Source : Ifremer

L'approche écosystémique des pêches : quelles priorités pour la recherche ?

Fromentin, Jean-marc et al. (mai 2007)

This document discusses the possible evolutions of IFREMER's research activities in support of the ecosystem-based approach to fisheries management (EAF). It results from an investigation undertaken within the programme "Ecosystem approach to the management of fish resources" (DÉMarche ...

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Source : Ifremer

Spatial and temporal structure of predator-prey relationships in the Celtic Sea fish community

Trenkel, Verena et al. (sept. 2005)

The spatial and temporal structure of predator-prey relationships in the Celtic Sea was investigated for 4 commercially important predator species (cod Gadus morhua, hake Merluccius merluccius, megrim Lepidorhombus whiffiagonis, and whiting Merlangius merlangus) using stomach-content and bottom- ...

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Source : Ifremer

Recherches préliminaires sur le verdissement en claires: l'évolution de leurs divers pigments liée au complexe pigmentaire de Navicula ostrearia BORY

Moreau, Jean (déc. 1967)

Greening of oysters in fattening ponds, known since SPRAT (1669) was specified by GAILLON (1820) who described "the green coloration of oysters placed in basins" and observed that it localises in gills. He determined the agent of this phenomenon and named it Vibrio ostrearia, fusiforme organism, of ...

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Source : Ifremer

Orama nui : a programme for an observatory of marine resources and activities in the Pacific Islands Countries

Loubersac, Lionel (sept. 1992)

The "ORAMA NUI" programme has been developed by the Territory of French Polynesia and IFREMER, both partners in SPT since 1988. It first aims at alleviating some bottlenecks, mainly in the coastal and lagoon economic development process, by use of satellite and computer technologies; then after four ...

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Source : Ifremer

Olfactory imprinting and homing in salmon

Hasler, A (mai 1979)

The olfactory hypothesis of the salmonids' "homing" assumes that the juvenile is conditioned to recognize a specific scent of its native river during the smolt stage and that it uses this characteristic to locate its river for upstream migration. We tested this hypothesis and exposed, in artificial ...

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