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Registros recuperados: 36
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Catalogue international des activités des flottilles de Manche, approche des interactions techniques ArchiMer
Tetard, A; Boon, M; Bennett, D; Berthou, Patrick; Bossy, S; Casey, J; De Clerck, R; Delpech, Jean-paul; Dintheer, C; Giret, M; Large, P; Latrouite, Daniel; Lemoine, Michel; Millner, R; Morizur, Yvon; Ozanne, S; Palmer, D; Pawson, M; Pickett, G; Vince, M.
This work is the result of collaboration between the English, French, Channel Isles and Belgian laboratories which are involved in a study of the English Channel. Its subject is the activities of fleets and fleet interactions, and it complements other work on the biogeographical identification of Channel fish and shellfish stocks (published), and on modelling the fleets' interactions as they exploit the resources (in preparation). The concept of a métier is defined as being the use of one fishing gear to catch one or several species targeted during a particular season in a given area. On this basis, 74 métiers were identified during 1989-90. For each métier we give a brief description of the catching gear, the target species and most usual by-catch, the...
Tipo: Text Palavras-chave: Fisheries management; Fishing effort; Technical interactions; English Channel; Métier; Gestion des pêcheries; Distribution de l'effort de pêche; Interactions techniques; Manche; Métiers.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/rapport-704.pdf
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Stockage et transport des crustacés vivants ArchiMer
Chartois, Herve; Latrouite, Daniel; Le Carre, P.
Fishing and trade of living crustaceans are dynamic commercial sectors in France. 25 000 tons of local or imported crabs, lobsters , crawsfishes are yearly treated. Based upon a literature review and fishmongers interviews, this study describes the current pratices and problems associated to live crabs and lobsters storage. Supply conditions of live crustaceans, marketing networks, and biological, ecological and physiological characteristics of crustaceans were discussed. Morever, storage facilities, their operating rules and factors affecting the survival rate under storage and transportation conditions were reviewed.
Tipo: Text Palavras-chave: Lobsters; Crabs; Shellfish; Survival rate; Transport; Storage; Crustacean; Fishery products; Langoustes; Homards; Crabes; Physiologie; Survie; Transport; Stockage; Crustacés.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/rapport-634.pdf
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Le développement de la crépidule sur le gisement de coquilles Saint-Jacques de la baie de Saint-Brieuc ArchiMer
Dupouy, Hervé; Latrouite, Daniel.
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Ano: 1979 URL: http://archimer.ifremer.fr/doc/1979/publication-7161.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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Synthèse hydrobiologique du site électronucléaire de Flamanville ArchiMer
Dreves, Luc; Lampert, Luis; Abernot, Chantal; Martin, Jocelyne; Arzel, Pierre; Dumas, Franck; Latrouite, Daniel; Schlaich, Ivan; Woehrling, Daniel.
This synthesis report assesses the current state of the marine hydrobiological knowledge acquired in the surroundings of the Flamanville electronuclear site (north-west of Cotentin), in the framework of the various project and monitoring programs in the pelagic, benthic and halieutic domains carried out on this site since 1976. Each domain is divided, as much as necessary, into different study areas such as hydrobiology, phytoplankton, microbiology, crustacean larvae or macrophyte algae. For each area, a series of parameters, considered as representative of the evolution of this area, is studied. In this way, for the hydrological area, the sea water temperature and salinity, the mineral nutriment concentrations, the holagen compounds and the boron are...
Tipo: Text Palavras-chave: Pelagos; Halieutique; Benthos; Surveillance; Synthèse; Flamanville; Centrale nucléaire.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/rapport-6405.pdf
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Le tourteau (Cancer pagurus) et son exploitation par les flottilles de Bretagne Nord, 1984-1988 ArchiMer
Latrouite, Daniel.
Due to the unsuitability of the north brittany coastal fishing grounds for trawling, the fishing activity of the harbours of this coast has been oriented towards the catch of invertebrates and peculiarly the large crustaceans. After, in the beginning of the XIX century, looking for lobster and spiny lobster, fishing has been, since the seventies, centered on the catch of the edible crab (Cancer Pagurus) and of the spider crab (Maia squinado). The first part of this document introduces the context of the exploitation and the concerned fleets. The second part treats of the biological parameters of the edible crab: growth, reproduction, migration and pathologies. The third part, devoted to the exploitation and the monitoring of the edible crab stock, is an...
Tipo: Text Palavras-chave: Exploitation; Biology; Cancer pagurus; Edible crab; North brittany; Exploitation; Biologie; Cancer pagurus; Tourteau; Bretagne Nord.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/rapport-689.pdf
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La flottille artisanale française de Manche Ouest. Bilan des connaissances ArchiMer
Morizur, Yvon; Berthou, Patrick; Latrouite, Daniel; Veron, Gerard.
A survey made during 1986-1987 on the artisanal fleet of the artisanal fleet in Northern Brittany and Western part of Cotentin allowed to describe this fleet in term of activity and metiers. Catches are given by species and by type of fishing activity. The result permit to outline interactions between the various activities and exploited resources. A summary of knowledge on exploited species is given.
Tipo: Text Palavras-chave: Flottille; Métiers; Typologie; Interactions; Expèces exploitées; Manche; Fleet; Metiers; Interactions; Exploited species; Channel.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00422/53390/54252.pdf
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Etude préalable à la gestion des stocks de crustacés en Bretagne ArchiMer
Autissier, Isabelle; Coum, Andrée; Cuillandre, Jean Pierre; Veron, Gerard; Latrouite, Daniel.
At the end of the seventies, as fishing abundance (based on Catch Per Unit Effort) in crabs and lobster fishery steadily declined, operating expenses increased, and fishing boats changed strategy (changing metiers, covering larger distance to fishing areas, fishing seasons being extended, ...) professionals and scientists aimed to consider reinforcing management measures. To enlighten and support potential related decisions, the Comité Régional des Pêches et Cultures Marines de Bretagne (Regional Committee for fishing and farming in Brittany), together with the ISTPM (Ifremer since 1984), conducted a survey on the exploited populations and gave a review of the involved Breton fleet. This report shows the results of a survey conducted among fishermen,...
Tipo: Text Palavras-chave: Landings; Catch rates; Fishing area; Fishing effort; Fleet; Brittany; Edible crab; Lobster; Spider crab; Apport; Rendement; Zone de pêche; Effort de pêche; Flottille; Bretagne; Tourteau; Homard; Araignée.
Ano: 1981 URL: http://archimer.ifremer.fr/doc/1981/rapport-1548.pdf
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Relations biométriques chez l'araignée de mer Maja squinado : longueur de référence, distinction juvénile-adulte, taille-poids. ArchiMer
Le Foll, Didier; Latrouite, Daniel; Noel, Philippe.
For the analysis of spider crab populations it is necessary to split the size composition by sex and between age groups, and to convert length to weight. In some cases different length measurements need to be correlated in order to compare the results from different authors. Morphometricaly it is easy to use the abdominal flap to distinguish between male and female, and between immature and adult females, but for immature and adult males it is necessary to use Somertons method to analyse the relation between carapace length and claw width. The relation between carapace length and weight is normally established at moult stage 4, and it obtained separately for males, females, immature and adults spider crabs. When measuring carapace length the present length...
Tipo: Text Palavras-chave: Adult; Biometry; Western Channel; Juvenile; Biology; Maja brachydactyla; Spider crab; Adulte; Juvénile; Manche; Maja brachydactyla; Biométrie; Araignée.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/acte-1410.pdf
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Bilan des essais d'élevage de la palourde sur le littoral Morbihannais - 1979 ArchiMer
Latrouite, Daniel; Perodou, Dominique.
Au cours des 15 dernières années, l'évolution des techniques ostréicoles a profondément modifié la structure sociale de cette profession. La maladie de l'huître portugaise (1970/1971), celle de la plate depuis 1969, ont provoqué de nouveaux bouleversements. Ces derniers évènements montrent les risques que courent les exploitations reposant sur la monoculture. La mise au point au JAPON, aux USA puis en ANGLETERRE et en FRANCE des techniques de production du naissain de diverses espèces de palourdes et le développement des écloseries à mollusques, permettent d'envisager l'élevage de ces coquillages pour lesquels la collecte en milieu naturel n'est pas contrôlée. Les premiers essais furent pour la plupart réalisés en plaçant les palourdes dans des poches...
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Ano: 1979 URL: http://archimer.ifremer.fr/doc/00046/15694/13096.pdf
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Etude des stocks halieutiques de langoustes au Cap Vert et proposition de modalités de gestion de ces stocks - Rapport de mission 5 au 15 décembre 1996 ArchiMer
Latrouite, Daniel.
Cette mission s'inscrit en exécution de la Convention franco-capverdienne "Appui aux filières productives primaires au Cap Vert", composante 03 Pêche", financée par le Fond d'Aide et de Coopération (Convention n° 95005500 du 17 janvier 1996). Elle a été réalisée conformément aux termes du protocole n°96/1212642/F entre la Mission Française de Coopération et d'Action Culturelle à Praïa et l'Institut Français de Recherche pour l'Exploitation de la Mer. Elle constitue la prestation "mission d'expert Ifremer au Cap Vert" prévue pour l'année 1996. Elle avait pour objectifs particuliers: - dans le cadre de la Réunion sur l'Investigation et la Gestion Halieutique au Cap Vert, établir et présenter un point sur les ressources en langoustes, leur exploitation et...
Tipo: Text
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00069/17980/15508.pdf
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Aquaculture extensive et repeuplement ArchiMer
Buestel, Dominique; Nicolas, R.; Morize, E.; Rohan, R.; Latrouite, Daniel; Le Borgne, Y.; Cochard, Jean-claude; Flassch, Jean-pierre; Uno, Yutaka; Audouin, Jacques; Legall, J.y.; Jezequel, M.; Lorec, J.; Henocque, Yves; Reveche, C.; Girin, Michel; Laurec, Alain; Herry, P..
L'aquaculture extensive et le repeuplement sont deux modes d'exploitation des ressources halieutiques qui ne font appel, une fois les juvéniles produits, ni à un apport de nourriture artificielle, ni à un contrôle continu de la part de l'exploitant, mais dépendent par contre de la productivité du milieu marin, Cette approche repose sur l'idée que le principal facteur limitant d'une population naturelle est le faible nombre de survivants après les premiers stades, et que l'on peut par alevinage, aménagement du milieu ou autres techniques, augmenter la production d'une espèce exploitable, Le but de ces journées d'étude est de faire le point des connaissances sur ces sujets, à l'intention des scientifiques mais aussi des utilisateurs, Il a paru souhaitable de...
Tipo: Text
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00018/12941/9907.pdf
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Fécondités individuelle et par recrue du homard européen Homarus gammarus (L.) des cotes françaises ArchiMer
Latrouite, Daniel; Morizur, Yvon; Raguenes, Gerard.
Several relationships between the fecundity and the weight or the size of females have been studied for three different (based on "eye-index") stages of incubation. The relationship between the average weight of eggs at the beginning of incubation and the size of the females shows that the egg size varies according to the female's size. Loss of eggs during incubation has been studied ; the average loss between the two extreme stages of incubation is around 27%. This is a lowered value of what accurs during the whole incubation period. Egg losses are greater for small females than for big females. The annual frequency of spawning and size at first maturity have been determined in for differents fishing effort than by the commercial size.
Tipo: Text Palavras-chave: Maturity; Fecundity per recruit.; Reproduction; Europe; France; Lobster; Aquiculture; Homarus gammarus; Fecundity; Fécondité par recrue; Fécondité; Maturité; Reproduction; Homarus gammarus; Homard.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1404.pdf
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Observations ichtyologiques effectuées en 1982 ArchiMer
Delmas, Guy; Quero, Jean-claude; Duron, M; Fonteneau, Joseph; Lafon, A; Latrouite, Daniel.
The authors give data on the catches, during 1982, of Chaunax pictus from Bay of Biscay, of Carcharhinus sp. from Arcachon basin and of scabbard-fish Lepidopus caudatus from la Rochelle. They notify of rather abundant observations of sunfish Mola mola, perhaps in connection with the hot summer. NOT CONTROLLED OCR
Tipo: Text
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-3664.pdf
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Observations of chondrichthyan fishes (sharks,rays and chimaeras) in the Bay of Biscay (North-eastern Atlantic) from submersibles. ArchiMer
Lorance, Pascal; Latrouite, Daniel; Seret, Bernard.
Forty one manned submersible dives were carried out during 2 cruises in the Bay of Biscay covering a range of depth from about 100 to 2100 m. Chondrichthyan species were observed in most of the dives, some of them were easily identified and their behaviour could be studied. Twenty-two chondrichthyan species (9 sharks, 8 rays and 5 chimaeras) were recorded. Shark species were always seen active except Scyliorhinus canicula and Galeus melastomus. Some representatives were found motionless on the bottom, sometimes forming groups for the first species. Chimaeras appeared to strongly react to the presence of the submersible. The density of chondrichtyes and their relative frequency in the total fish assemblage were estimated, the results are globally consistent...
Tipo: Text Palavras-chave: Submersible; Deep Sea; Bay of Biscay; ANE; Chondrichthyans.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/acte-2571.pdf
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Observations sur la maturité sexuelle et la ponte du tourteau Cancer pagurus en Manche ArchiMer
Latrouite, Daniel; Noel, Philippe.
Few observations have been reported on the reproductive cycle and size at maturity of female edible crab in the Channel. This could be linked to non catchability of berried females. During the present study carried over three different years, females were taken from commercial catches prior to the spawning period and placed in tanks in the laboratory. The various criteria used to establish the mean size at first maturity are discussed and the relation between size and functional maturity is described. The smallest berried females are at a carapace length of 76mm, and maximum values are reached at about 105mm. The mean value is between 85 and 90mm carapace length. The duration of the spawning period was the same in each years, extending from mid-November to...
Tipo: Text Palavras-chave: Spawning; Sexual maturity; Reproduction; Channel; Cancer pagurus; Edible crab; Reproduction; Ponte; Manche; Tourteau; Maturité sexuelle; Cancer pagurus.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/acte-1420.pdf
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Pêche de la langouste rouge Palinurus elephas en france. Eléments pour fixer une taille marchande ArchiMer
Latrouite, Daniel; Noel, Philippe.
From the end of XIX century to the 1950', spiny lobster (Palinurus elephas) fishing has been an important economical activity for potters of Brittany and led to landings over two thousands tons. Later, impoverishment of traditional fishing grounds and closure, to French fleet, of foreign fishing area obliged a reconversion of potters toward crabs (edible crab and spider crab). Recently in the 80', development of a netting activity has restarted catches of spiny lobster (at a modest scale). Presently, the only reglementary measure concerning this species/metier is a national minimum legal size (total length) but European Commission has wished that a European MLS would be established. In that aim, this paper presents the main features of spiny lobster...
Tipo: Text Palavras-chave: Reproduction; Fishery; France; Atlantic; Droit; Commerce; Size; Spiny lobster; Palinurus elephas; Biometry; Fishing; Reproduction; Biométrie; Pêche; Palinurus elephas; Langouste rouge.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/acte-1415.pdf
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Essai de culture suspendue de la Coquille Saint Jacques Pecten maximus: influence de la transplantation sur le développement gonadique ArchiMer
Latrouite, Daniel; Claude, Serge.
La mise au point et le développement de techniques de captage en milieu naturel et de production en milieu contrôlé permettent d'envisager pour la coquille Saint Jacques une aquaculture extensive du type de celle réalisée pour l'huître sur parc non découvrant : un ou plusieurs centres favorables à la collecte du naissain pourvoient en juvéniles des secteurs propices à l'élevage. Une plus value marchande peut être obtenue lorsque le changement de milieu s'accompagne de modifications physiologique ou organoleptiques. Ainsi, la présence de la glande génitale développée (ou corail) est particulièrement appréciée du consommateur français. Cet état s'observe tout au long de l'année sur les gisements de Bretagne Sud et de Rade de Brest alors qu'en Baie de Saint...
Tipo: Text Palavras-chave: Conchyliculture; Coquille Saint Jacques; Captage; Croissance; Mortalité; Elevage.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00015/12660/9531.pdf
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OBSERVHAL96, campagne d'observations à finalité halieutique ArchiMer
Latrouite, Daniel; Antoine, Loic; Cosson, Nathalie; Danel, Patrick; Desaunay, Yves; Dupouy, Herve; Galgani, Francois; Lorance, Pascal; Morandeau, Fabien; Morizur, Yvon; Rivoalen, Jean-jacques; Sacchi, Jacques; Troadec, Herve.
The scientific cruise Observhal96 took place in August 4-27, 1996 with the underwater system for exploration and intervention « Cyana » and the support vessel « Suroît ». The goal of this IFREMER first use of a man opereted submersible for a fisheries study was to observe fishes and invertebrates in their environment, as well as fishing gears in operation. All the dives, 2 to 5 hours long, took place off Brittany in Atlantic. Five were shalower than 100 meters, nine between 100 and 200 meters, one at 400 meters and for deeper than 1000 meters. Six dives have been dedicated to in situ study of the impact of fishing gears : observation of the geometry of a monkfish tramel net and analysis of losses during hauling ; tracks of a bottom trawl and relative...
Tipo: Text Palavras-chave: Fish behaviour; Fishery ecology; Submarine Cyana; Dive; Underwater observation; Comportement des poissons et invertébrés; Ecologie halieutique; Submersible Cyana; Observation sous marine.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/1996/rapport-1554.pdf
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Variablility of stable isotope signatures (delta C-13 and delta N-15) in two spider crab populations (Maja brachydactyla) in Western Europe ArchiMer
Bodin, Nathalie; Le Loch, Francois; Hily, Christian; Caisey, Xavier; Latrouite, Daniel; Le Guellec, Anne-marie.
The ontogenic variations of nitrogen and carbon stable isotopic signatures (delta N-15 and delta C-13) were investigated in two spider crab (Maja brachydactyla) populations inhabiting in different biotopes of Western Europe. The Iroise Sea population is localized in Western Brittany and characterized by a seasonal migration occurring on a large bathymetric and habitat gradient while the Seine Bay population, in the Eastern English Channel, remains in a more homogeneous environment during its migration. In the Iroise Sea population, delta C-13 Values increased significantly both with body size and age, revealing a shift towards "benthic-component" prey with spider crab growth. On the contrary, neither body size nor ageing gave rise to a significant trophic...
Tipo: Text Palavras-chave: Migration; Marine decapod crustaceans; Growth; Feeding; Carbon and nitrogen stable isotopes.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2535.pdf
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