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Registros recuperados: 82
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3D modelling of seasonal evolution of Loire and Gironde plumes on Biscay Bay continental shelf ArchiMer
Lazure, Pascal; Jegou, Anne-marie.
A 3D model of the Atlantic shelf has been developed and applied to study shelf dynamics and evolution of hydrology. The model takes the combined effects of tide, wind, river discharges and surface heat flux into account. Time scales vary from 1 day to several years. Following a brief description of the model and forcing variables, the behaviour of the Loire and Gironde plumes is described, first for winter and spring, then over a period of several years, under realistic forcing. The results show that plume evolution depends on the high Variability of river runoff and winds. Model simulations performed over 7 years (1990 to 1996) have highlighted several features of these plumes: 1) In early winter and periods of high river runoff, plumes usually spread...
Tipo: Text Palavras-chave: Panache; Modélisation; Dynamique du plateau continental; Golfe de Gascogne; River plume; Modelling; Shelf dynamics; Bay of Biscay.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/1998/publication-847.pdf
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Activité et production des navires français – Façade "Manche est" et Façade "Loire-Gironde" ArchiMer
Delpech, Jean-paul; Mehault, Sonia; Rostiaux, Emilie; Leaute, Jean-pierre; Leblond, Emilie; Demaneche, Sebastien; Coppin, Franck; Mahe, Kelig; Vaz, Sandrine.
This report is a result of a contract between Ifremer and the French Ministry of Industry. The aim was to provide map the fisheries activity and landings for french fishing vessels, located in the Eastern Channel and the Bay of Biscay during the year 2005. Two areas have been selected: - the "Eastern Channel" area, including 7 administrative departments : Nord, Pas-de-Calais, Somme, Seine-Maritime, Eure, Calvados and Manche. - the "Loire-Gironde" area, including 4 administrative departments : Loire-Atlantique, Vendée, Charente-Maritime and Gironde.
Tipo: Text Palavras-chave: Fishing fleets; Fishing gears; Bay of Biscay; Eastern Channel; Mapping; Landings; Fisheries activity; Flottilles; Pêche; Engins; Golfe de Gascogne; Manche est; Cartographie; Production; Activité halieutique.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/rapport-6645.pdf
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Analyse de quelques pêches pélagiques profondes dans le golfe de Gascogne (Annélides, Céphalopodes, Crustacés décapodes, poissons) ArchiMer
Abbes, Rene; Quero, Jean-claude.
Au cours de ses campagnes dans le golfe de Gascogne en 1966, 1967 et 1968 la Thalassa a effectué 17 pêches planctoniques profondes à l'aide d'un chalut Isaacs-Kidd. Parmi elles, huit ont été faites à des profondeurs comprises entre 850 et 1100 m.
Tipo: Text Palavras-chave: Pêche; Golfe de Gascogne; Répartition espèces; Capture.
Ano: 1968 URL: http://archimer.ifremer.fr/doc/00142/25322/23396.pdf
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Analyse des flottilles du sud du golfe de Gascogne, de 1986 à 2002 – De Noirmoutier à Bayonne. Description et évolution des composantes de pêche ArchiMer
Leaute, Jean-pierre.
This document presents a comparative assessment of six triennal analysis carried out between 1986 and 2002, on 1300 boats, on average, from the 35 ports of Southern Bay of Biscay fishing fleets (from Loire river to Spanish border). Fisheries statistics allow the identification of different fishing practices and fishing boats associated with them within the fleets. In order to allow comparison and analysis of the evolution that has taken place during the study period, the same variables (gears used, landed species) and multivariate analysis procedures have been used to produce groupings of vessels. Over the period, 11 components, on average, have been identified, grouped in two entities, mobile and fixed gears. If the discriminative characteristics...
Tipo: Text Palavras-chave: Typologie; Flottilles de pêche; Composantes; Golfe de Gascogne; Analyse multivariée; Typology; Fishing fleet; Components; Bay of Biscay; Multivariate analysis.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00001/11234/7756.pdf
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Analyse quantitative et qualitative des captures de tourteaux Cancer pagurus par la flottille de Manche-ouest ArchiMer
Latrouite, Daniel; Morizur, Yvon.
French potters from « Manche ouest » harbours ish edible crab Cancer pagurus in English Channel, Iroise Sea and along north Biscay Bay shelf. Monthly landings of the offshore fleet analysed from logbooks for the period 1985-1987 indicate changes in fishing areas. The mean length of males, the mean length of females and the sex-ratio have been analysed by Principal Component Analysis in 1981-1987 samples. The heterogeneity between catches from different statistical rectangle (30 x 40 nautical miles) was great enough to deduce a way of raising composition from samples to total landings. It also offers the possibility to verifiy and correct declaration on geographical origin of landings.
Tipo: Text Palavras-chave: Biscay Bay; Catch composition; France; Western Channel; Sampling; Iroise; Edible crab; Cancer Pagurus; Fishing; Golfe de Gascogne; Iroise; Manche; Echantillonnage; Composition des captures; Tourteau.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/1988/acte-1416.pdf
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Application d’un protocole de suivi habitat « récifs » au large de la côte basque. Application méthodologique Index-Cor ArchiMer
De Casamajor, Marie-noelle; Lissardy, Muriel.
The purpose of this report is to test a sampling protocol to define a conservation status index for reef habitat in circalittoral environments to characterize benthic populations from surveys at 4 sites located in the Natura 2000 area “côte Basque rocky and extension offshore”. Due to the complexity of this habitat and the gaps in knowledge, an analysis of the protocol and its modalities is necessary. In parallel, optimization proposals are necessary for the relevance of the information provided and for apprehending a possible conservation status.
Tipo: Text Palavras-chave: Golfe de Gascogne; Circalittoral; Indice; État de conservation; Aires marines protégées; Bay of Biscay; Circalittoral; Conservation index; Marine Protected Area.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00382/49334/50278.pdf
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Apports des données de la 'couleur de l'eau' à la modélisation couplée physique-biogéochimie en milieu dynamique côtier : Application au Rio de la Plata et au Golfe de Gascogne ArchiMer
Huret, Martin.
Continental margins play a crucial role in biogeochemical fluxes between the continents and the open ocean. They are also highly sensitive to human perturbations. Primary production is highly dependent on the complex dynamics of these coastal zones, and on the river supply in nutrients, as well as in Suspended Particulate Matter (SPM) which limit light availability. The quantification of the production is a prerequisite in many applications, from the understanding of the role of the coastal ocean in climate change, to eutrophication and fisheries resources issues within the frame of the integrated management of the coastal zone. Coupled physical-biogeochemical models are useful in studying and monitoring primary production. Because of the numerous complex...
Tipo: Text Palavras-chave: Parameter estimation; Data assimilation; Suspended Particulate Matter (SPM); Chlorophyll a; Phytoplankton blooms; Physical biogeochemical coupled model; Ocean color; Satellite data; Coastal area; Bay of Biscay; Rio de la Plata; Estimation de paramètres; Assimilation de données; Matières En Suspension (MES); Chlorophylle a; Blooms phytoplanctoniques; Modèle couplé physique biogéochimie; Couleur de l'eau; Donnée satellitale; Milieu côtier; Golfe de Gascogne; Rio de la Plata.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/these-337.pdf
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Atlas des invertébrés du Golfe de Gascogne inventoriés dans les captures des chaluts. Campagnes RESSGASC 1992-1995 et EVHOE 1995 ArchiMer
Paulmier, Gerard.
Numerous invertebrates were collected during various scientific trawling surveys carried out in the Bay of Biscay (RESSGASC, EVHOE), and the adjacent areas between 1993 and 1995. The species captured by the same trawling methods used by professional fishermen represent only a fraction of the known invertebrate fauna in the Bay. In addition to an inventory of the species, a simple key allows easy access to faunistic groups. The species, some of which are economically interesting, form the subject of a short description and, for the most part, a colour illustration.
Tipo: Text Palavras-chave: Invertebrates; List; Trawling; Gulf of Biscay; Atlas; Invertébrés; Inventaire; Chalutage; Golfe de Gascogne; Atlas.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/rapport-709.pdf
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Bilan des connaissances sur la biologie et la pêche du hareng (Clupea Harengus L.) dans le golfe de Gascogne ArchiMer
Avrilla, J.l..
Tipo: Text Palavras-chave: Biscay bay; Clupea harengus; Biology; Fishing; Golfe de Gascogne; Biologie; Clupea harengus; Capture.
Ano: 1980 URL: http://archimer.ifremer.fr/doc/1980/rapport-2186.pdf
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Biologie et pêche du céteau (Dicologoglossa cuneata Moreau) dans le sud du golfe de Gascogne ArchiMer
Forest, Andre.
Le céteau, Dicologoglossa cuneata (Moreau), est pour les pêches françaises en Atlantique, une espèce d'importance économique très secondaire : il n'apparaît pas dans les statistiques de la Marine Marchande et l'on peut estimer sa production aux environs de 450 ou 500 t par an. Il fait néanmoins l'objet d'une pêche particulière de la part de bon nombre de chalutiers artisans des Sables d'Olonne, de l'Ile d'Yeu, de La Rochelle, de l'Ile d'Oléron et d'Arcachon.
Tipo: Text Palavras-chave: Biologie; Pêche; Dicologoglossa cuneata; Céteau; Golfe de Gascogne.
Ano: 1973 URL: http://archimer.ifremer.fr/doc/00143/25388/23537.pdf
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Campagne Techorhago ArchiMer
Vacherot, Jean-philippe.
Pour être en phase avec les recommandations de la communauté européenne, les missions ORHAGO doivent utiliser un chalut à perche pour la constitution des indices d'abondance de sole dans le golfe de Gascogne. Un chalut à perche de 4 m (environ 2000 kg) a été construit et acheté aux Pays-Bas dans l'optique des futures campagnes à la mer. La campagne TECHORHAGO visait à essayer et à mettre au point les différentes manoeuvres de mise à l'eau et de virage du chalut en le remorquant sur les deux treuils du Gwen-Drez. L'EROC (Engin Remorqué d'Observation des Chaluts) était embarqué.
Tipo: Text Palavras-chave: Eroc; Gwen Drez; Fishing; Technology; Beam trawl; Bay of Biscay; Sole; Pêche; Technologie; Eroc; Gwen drez; Chalut à perche; Golfe de Gascogne; Sole; Indice d'abondance.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/rapport-4594.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - France - Sud golfe de Gascogne ArchiMer
Leaute, Jean-pierre; Caill-milly, Nathalie.
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43813/43387.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - Nord Espagne - Cantabrique et Galice ArchiMer
Cendrero, Orestes.
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43808/43378.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - (Période 24 mars 2000 - 23 avril 2002) - Nord Espagne : Pays basque (AZTI, UPY), Cantabrique et Galice (IEO) ArchiMer
Puente, Esteban; Astorkiza, Inmaculada.
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43809/43379.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - Portugal ArchiMer
Pestana, Graça.
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43814/43388.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - Sites ateliers : Estuaire de la Loire, Ile d'Yeu, Gironde, Bassin d'Arcachon, Adour ArchiMer
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43811/43381.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - Synthèse. (24 mars 2000 - 23 avril 2002) ArchiMer
Leaute, Jean-pierre.
The European contract PECOSUDE (Small inshore fisheries of the south of Europe) accepted in 2000 (n° 99/024) for 2 years involves French partners (IFREMER, GEOLITTOMER and CEMAGREF), Spanish (AZTI, UPV and IEO) and Portuguese (IPIMAR). The aim is to assess the inshore and estuarian fisheries from Loire estuary to Portugal in view of the negotiations of the PCP in 2002. Three main aspects are considered in the study: fisheries monitoring (data 1999), socio-economy and marketing (data 1999 or 2000). Three main criteria have been established to define the limits of the fishing fleet considered in the study : fishing grounds within the 12 miles zone for the French fleet and the continental shelf and slope (down to 1000 m depth) for northern Spanish and...
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43795/43357.pdf
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Cartographie synthétique et analyse des peuplements benthiques sur deux secteurs du littoral français "Manche-Est" et "Loire-Gironde" ArchiMer
Blanchard, Michel; Heim, Marie; Rozec, Xavier; Caisey, Xavier.
This document presents a synthetic study of benthos in two large areas of the French coast: East-Channel and the area between Loire and Gironde. This original synthesis stocktakes biotopes maps published for the vast majority in the 70’s. The report uses the previous descriptions and analysis done by the different authors, and translates them with present specific names or biotopes codes, as proposed in the European EUNIS referring system. The presented maps are standardized and referred geographically with WGS84 to be collated together. For each biotope, specific richness and ecological richness are analysed, thanks to the information given by the various authors. Some informative cards of the main representative species are also presented in the...
Tipo: Text Palavras-chave: Benthos; Peuplement; Cartographie; Littoral français; Manche Est; Bretagne sud; Vendée; Pertuis charentais; Golfe de Gascogne; Benthos; Community; Cartography; French coast; East Channel; Southern Brittany; Vendée; Pertuis charentais; Bay of Biscay.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00003/11434/7983.pdf
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Compréhension des différences de distribution spatiale des anchois et de leurs œufs ArchiMer
Godet, Claire.
La campagne PELGAS participe à la gestion du stock d’anchois du Golfe de Gascogne, en réalisant une évaluation directe à la mer de la biomasse d’anchois. Pour déterminer la biomasse totale, des appareils acoustiques envoyant des ultra-sons dans l’eau pour détecter les bancs de poisson sont utilisés. Ensuite des pêches sont effectuées sur les zones détectées pour déterminer la composition des bancs (espèces, poids, longueurs…). En parallèle, les oeufs d’anchois sont comptés. A partir des données récoltées de 2000 à 2015, j’ai pu réaliser des cartes de distribution spatiale des anchois et de leurs oeufs, ainsi que des analyses statistiques afin de comprendre les différences de distribution entre les deux. Il s’avère que les oeufs sont plus au large que les...
Tipo: Text Palavras-chave: Anchois; Fécondité; Répartition; Golfe de Gascogne; Oeufs.; Anchovies; Fecundity; Repartition; Bay of Biscay; Eggs..
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00342/45335/44797.pdf
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Contribution à l'étude de la biologie et de la pêche du rouget-barbet (Mullus surmuletus) dans le Golfe de Gascogne ArchiMer
Tous, Philippe.
The growth study of s tripped Mullet, from the Bay of Biscaye, from April to June is managed by scale reading. Sorne difficulties appear with the interpretation female scales. The Analysis of ovaries confirms that spring is the period of reproduction, and shows that the age of first reproduction is two year (65 %) or one year old (35 %). Secondly, the exploitation of various statistic data shows the evolution of landings of Stripped Mullet in several harbours, and especially in les Sables d'Olonne, since 1962.  The reconstitution of the artisan trowlers effort in this harbour confirms the long decline of c.p.u.e . for Mullus surmuletus, and a rapid increase since 1981. The problem of the lack of data about the inshore fishery and about the composition of...
Tipo: Text Palavras-chave: Reproduction; Croissance; Golfe de Gascogne; Chalutiers artisans et côtiers; CPUE.
Ano: 1986 URL: http://archimer.ifremer.fr/doc/00455/56649/58390.pdf
Registros recuperados: 82
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