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Registros recuperados: 22
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Atlas thématique de l'environnement marin en baie de Saint-Brieuc (Côtes-d'Armor) ArchiMer
Augris, Claude; Hamon, Dominique.
This atlas presents in a synthetic form the hydrodynamical, geological and biological characteristics of one of the most studied region of the French littoral. Geologic and geophysical data of the Saint-Brieuc Bay show that the deep basement consists of pre-palaeozoic or palaeozoic sedimentary series in the centre of the Bay, whereas metamorphic and magmatic formations are dominant in coastal regions. The location of superficial sediments in the Bay, is mainly due to marine currents. A granulometric gradient, from very fine to coarse sediments, appears in two directions: from the coast towards the high sea, and from the west to the east. Rocky substrates disrupt the sediment distribution, with, most of the time, a concentration of coarse sediments near the...
Tipo: Text Palavras-chave: Atlas; Bathymetry; Bottom topography; Commercial species; Geomorphology; Hydrodynamics; Marine resources; Sediment analysis; Sedimentary basins; Zoobenthos.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00031/14246/11527.pdf
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Biological sampling of non-quota species. ArchiMer
Dunn, M. R.; Rogers, S. I.; Morizur, Yvon; Tetard, Alain; Aublet, B; Le Niliot, Ph; Miossec, Dominique.
The objective of this study was to develop an effective biological sampling programme for fish species in the English Channel (ICES Divisions Vild and Vile) which are not subject to quota management, and to prepare these data for use in multispecies, multi-fleet models being developed by the Channel Fisheries Study Group. Length and age data were coIlected for six non-quota species, and length data for a further five species. The samples were coIlected over a period of two years from important ports on the French and UK coasts. The exploitation patterns of each species were described by allocating catches from similar catching gears, regions, seasons and target species into common units referred to as métiers. The most important métiers in terms of landed...
Tipo: Text Palavras-chave: Biological sampling; Commercial species; Exploitation; Fishery management.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/00304/41514/40722.pdf
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Breve estudio de la Industria Camaronera en el Ecuador OceanDocs
McPadden, Ch..
Entre los años 1979 y 1984 la producción de camarón en el Ecuador tuvo un aumento dramático y 1983, fue el año de más alta producción registrada, la producción totalizó 36,6 miles de toneladas métricas, con una exportación valorada en 183 millones de dólares, es decir, cerca de tres veces la cantidad producida en 1979. Este incremento espectacular fué debido principalmente a la expansión de la industria de la cría de camarones de piscinas, haciendo que el Ecuador se convierta en el líder de los países productores de criaderos de camarones. El desarrollo vertiginoso de la industria de la cría del camarón y a los problemas que se enfrenta dicha industria no han sido bien documentados. Los objetivos de este informe son: revisar y comparar la información...
Tipo: Journal Contribution Palavras-chave: Shrimp culture; Industries; Commercial species.
Ano: 1985 URL: http://hdl.handle.net/1834/3221
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Composition par taille- age des capturers des principales espèces commerciales, effectuées dans la ZEE de la Mauritanie OceanDocs
Ba, A.; Boukatine, P.; Fadel, M.; M'Bareck; Sall, O..
Tipo: Journal Contribution Palavras-chave: Commercial species; Capture fishery economics.
Ano: 1985 URL: http://hdl.handle.net/1834/4992
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Ecological studies of parasites of commercially important fish species along the Kenyan Coast OceanDocs
Aloo, P.A..
This study has been carried out over a period of four months (August, November 2001 and January, March 2002). The study aimed at establishing the magnitude of parasitization in different fish species as well as quantifying the relationship between the parasites and their fish hosts. Fish samples were collected from five main landing beaches: Vanga, Shimoni, Gazi, Mombasa and Kilifi. Fish samples examined for Parasites included: Siganus sutor, Plectorhynchus flavomaculatus, P. Sordidus, Lethrinus nebulosus, Sardinella gibosa, Scarus horrid, Sellar crumenophthalmus, Rastrelliger kanarguta, Parupeneus indicus, Mugil cephalus, Scombromorus commerson, Epinephelus macrospilas, Thunnus sp, Leptoscarus viagensis, L. sordidus and Hemiramphus far. Fish samples were...
Tipo: Report Palavras-chave: Commercial species; Ecology; Parasites; Ecology; Parasites; Http://aims.fao.org/aos/agrovoc/c_2467; Http://aims.fao.org/aos/agrovoc/c_5574.
Ano: 2000 URL: http://hdl.handle.net/1834/1309
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Estimation du stock naturel de l’algue brune <Padina pavonica> (l.) thivy en Tunisie septentrionale OceanDocs
Ksouri, J.; Elferjani, H.; Mensi, F..
L’identification d’un principe actif servant en thérapie osseuse a propulsé l’algue brune Padina pavonica au rang des algues à intérêt économique très prisées à l’échelle mondiale et en Tunisie. L’évaluation des potentialités de cette espèce au niveau d’un site atelier, Cap Zebib (Nord-Est de la Tunisie), a été initiée pour éclairer les décideurs sur l’état du stock, afin que l’autorisation pour la collecte d’un certain tonnage de cette algue soit accordée en connaissance de cause. A Cap Zebib, l’espèce en question étant localisée dans la zone comprise entre 0 et 10 m, la biomasse naturelle disponible est évaluée à 112,5 tonnes de matière fraîche, soit 25 tonnes de matière sèche (22,2%). Le rendement global est de 0,850 t/ha. Mais, comme la majeure partie...
Tipo: Journal Contribution Palavras-chave: Biomass; Commercial species; Seaweed products; Seaweeds; Stock assessment.
Ano: 2008 URL: http://hdl.handle.net/1834/4251
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Estudio de huevos y larvas de peces en el mar ecuatoriano durante septiembre-diciembre de 1990 OceanDocs
Villamar, F.; Ortega, D..
Durante los cruceros oceanográficos realizados en septiembre, noviembre y diciembre de 1990, las especies de peces de interés comercial encontrados fueron: Sardinops sagax, Etrumeus teres, Opisthonema s.p, Scomber japonicus y Engraulis ringens; en concentraciones no mayores a 100 ejemplares/10 m2, localizados en la zona Sur del perfil costanero ecuatoriano. Entre otros huevos (H) y larvas (L) de peces, se encontraron los pertenecientes al género Leuroglossum, de la familia Bathylagidae y también ejemplares pertenecientes a la familia Myctophydae. En general, la cantidad máxima total de huevos de peces fue mayor de 10000 H/10 m2 en la longitud 82°00'W, tanto a la altura de Cabo Pasado como al sur de la Punta de Santa Elena. La cantidad máxima de larvas de...
Tipo: Journal Contribution Palavras-chave: Larval development; Fish larvae; Commercial species; Fish eggs; Fish larvae; Http://aims.fao.org/aos/agrovoc/c_2924.
Ano: 1991 URL: http://hdl.handle.net/1834/3140
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Etude des fonds chalutables de la mediterranee occidentale (ecologie et peche) « Président-Théodore-Tissier » 1957 à 1960 et « Thalassa » 1960 et 1961 ArchiMer
Maurin, Claude.
Tipo: Text Palavras-chave: Geographical distribution; Commercial species; Fishing gear; Trawling tools; Mediterranean sea; Trawling zones.
Ano: 1962 URL: http://archimer.ifremer.fr/doc/1962/publication-2233.pdf
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Evaluación de los índices de abundancia para corvina rubia (Micropogonias furnieri) y pez palo (Percophis brasiliensis) obtenidos mediante modelos lineales generales: simulaciones de Monte Carlo y análisis de las interacciones con el factor año OceanDocs
Rico, M.R.; Hernández, D.R.; Carozza, C.R..
Assessment of abundance indexes for whitemouth croaker (Micropogonias furnieri) and brazilian flathead (Percophis brasiliensis) obtained with general linear models: Monte Carlo simulation and analysis of the interactions with the “year” factor. The effect of interactions with the year factor on the annual index of relative abundance obtained with general linear models applied to the cath per unit of effort data of whitemouth croaker and brazilian flathead commercial fleet was evaluated applying the Monte Carlo simulation. Levels on the relative percentage of variance explained by the interactions with the year factor (%RVEAÑO) were determined, above which loss of proportionality between the relative abundance series given by the index and the real series...
Tipo: Journal Contribution Palavras-chave: Stock assessment; Abundance; Catch/effort; Simulation; Commercial species; Coastal fisheries.
Ano: 2013 URL: http://hdl.handle.net/1834/5503
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Evaluation of the Status of the Namibian Hake Resource (Merluccius spp.) Using Statistical Catch-at-Age Analysis OceanDocs
Kirchner, Carola; Kainge, Paul; Kathena, Johannes.
Namibian hake is the most important fish resource in Namibia. This monograph is a compilation of all the hake data, historic and recent, that has been used to inform stock assessment and management since the late 1970s. It presents the statistical catch-at-age analysis used to evaluate the state of the Namibian hake resource under different assumptions. This analysis treats the two hakes, Merluccius paradoxus and M. capensis, as a single stock. The data and modeling show that the stock has not as yet recovered to its maximum sustainable yield level, despite foreign fishing effort having been removed in 1990. Best estimates suggest the current stock to be roughly 20% of pre-exploitation levels; however this figure is sensitive to model assumptions. Signs...
Tipo: Book Section Palavras-chave: Stock assessment; Gadoid fisheries; Data; Dynamics; Surveys; Commercial species; Total allowable catch; Biomass; Trawls; Otoliths; Fishing mortality; Fisheries management; Reproductive system.
Ano: 2012 URL: http://hdl.handle.net/1834/5166
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Genetic and reproduction strategy in Crassostrea gigas mortality ArchiMer
Moal, Jeanne; Bedier, Edouard; Fleury, Pierre-gildas; Langlade, Aime; Le Coguic, Yvette; Degremont, Lionel; Boudry, Pierre; Le Coz, Jean-rene; Pouvreau, Stephane; Enriquez-diaz, M.; Lambert, Christophe; Quere, Christele; Soudant, Philippe; Samain, Jean-francois.
Bi-parental families were produced in hatchery and tested in the field in 2001. Two sets of 5 families were constituted, selected on their high (R) and low (S) survival. These two sets were reared in Brittany from March to November 2002. Samplings were performed twice a month to obtain data on biometry, survival, reproductive cycle, biochemical composition, adenylate energy charge, hemolymph parameters (ions and defense system) and muscle strength. "R" and "S" oysters exhibited different reproductive effort and spawning strategy. "R" oysters allocated less energy in gonad than "S" ones and presented a complete spawning at the end of August contrary to the "S" which spawns partially. Mortality started in July when the seawater temperature reached 19 degree...
Tipo: Text Palavras-chave: Summer; Reproduction; Oyster culture; Mortality; Genetic diversity; Commercial species; Breeding.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/acte-3345.pdf
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Genetic basis of summer mortality in juvenile cupped oysters ArchiMer
Degremont, Lionel; Boudry, Pierre; Bedier, Edouard; Ropert, Michel; Soletchnik, Patrick; Huvet, Arnaud; Moal, Jeanne; Samain, Jean-francois.
The French project "Morest", coordinated by IFREMER, aims to understand the causes of the summer mortalities in Crassostrea gigas. In 2001, three sets of families were bred following a nested half-sib mating design. 17 half-sib families (HSF) were obtained in this first generation (G1) and reared in 3 sites. Significant differences in survival were observed among HSF, and some HSF showed high levels of mortality in all sites, clearly indicating a genetic basis for survival. In 2002, a second generation (G2), including divergent selection and inbred lines, was constituted. Monitoring of survival and growth of G2s were the same as in 2001. Significant differences in survival were found between the offspring of the "high" and "low" selected groups and between...
Tipo: Text Palavras-chave: Summer; Oyster culture; Juveniles mortality; Genetics; Commercial species; Breeding.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/acte-3346.pdf
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Growth, mortality and recruitment of commercially important fishes and penaeid shrimps in Indonesian waters AgEcon
Dwipongo, A.; Hariati, T.; Banon, S.; Palomares, M.L.D.; Pauly, Daniel.
Tipo: Report Palavras-chave: Population dynamics; Stock assessment; Commercial species; Shrimp fisheries; Agribusiness.
Ano: 1986 URL: http://purl.umn.edu/44682
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Inventaire et abondance relative des gastéropodes dans les zones marines côtières de Monastir (est-Tunisien) OceanDocs
Ouannes-Ghorbel, A.; Guirah. J.; Boukrayaa, M.; Elhasni, K.; Derbali, A..
La présente étude constitue une première tentative pour la connaissance des Gastéropodes dans les zones marines côtières de Monastir (Sayada, Tboulba et Elbkalta). L’échantillonnage a été réalisé dans ces zones durant les mois de mai et juin 2006. Au total, 23 stations de 5 à 20 mètres ont été prospectées. Les prélèvements ont été effectués au moyen d’une benne Van Veen ; le contenu est tamisé sur maille de 2 mm de côté. Après traitement des échantillons, 29 espèces de Gastéropodes ont été identifiées avec une dominance de deux espèces : Tricolia speciosa et Smaragdia viridis. En revanche, nous avons noté la pauvreté de la zone prospectée en Mollusques Bivalves et également en espèces ayant une valeur commerciale dans la zone d’étude notamment la palourde...
Tipo: Journal Contribution Palavras-chave: Abundance; Check lists; Commercial species; Dominant species; Geographical distribution; Grabs; Inventories; Marine molluscs; Marine fisheries.
Ano: 2009 URL: http://hdl.handle.net/1834/4492
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La dynamique des pêches côtières du pays bigouden ArchiMer
Charuau, Anatole.
In the beginning, the coastal fleet of the Bigouden region fished by trawling and was completely focused on exploiting lobster and hake. It is a traditional business that expanded between the last war and the 70s, reaching its peak between 1975 and 1980. The best image to give an idea of this fleet is that of a "bucket waterwheel" endlessly discharging its catch in the four ports of the Guilvinec district. Where there is a seafaring business in Guilvinec, Loctudy and Saint-Guénolé, there is a complementarity that is expressed in two ways: - coastal fishing constitutes a very noticeable and regular supplement to production, since sales happen daily and only bad winter weather causes a relative decrease in the supplement. - coastal fishing gives a...
Tipo: Text Palavras-chave: France; Brittany; Data; Fishing zone; Fleet; Trawling; Commercial species; Costal fisheries; Finistere; Bretagne; Atlantique Nord Est; Golfe de Gascogne; Merluccius; Lophius; Pisces; Nephrops Norvegicus; Zone peche; Exploitation; Flottille; Chalut; Donnee; Espece commerciale; Peche cotiere.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/rapport-2202.pdf
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La pêche industrielle des espèces pélagiques côtières en Mauritanie de 1979 à 1985 - Deuxième partie : la Pêche au chalut pélagique OceanDocs
Josse, E..
Après la mise en place de la ZEE à 200 miles en 1978, la pêche au chalut pélagique s’est développée très rapidement en Mauritanie. Avec un effort de pêche pratiquement multiplié par 10 entre 1979 et 1983. De 1979 à 1986, sept pays ont participé plus ou moins régulièrement à l’exploitation des ressources pélagiques côtières de la ZEE mauritanienne, avec des chalutiers pélagiques de gros tonnage. Trois pays : l’Allemagne de l’Est, la Roumanie et l’URSS ont réalisé, selon les années, entre les ¾ et la totalité de l’effort total, et de 80 à 100% des captures totales. Les captures totales ont été maximales en 1983, avec 470 000 tonnes. Après une baisse en 1984 elles se sont stabilisées en 1985 et 1986 entre 450 000 et 460 000 tonnes. La composition spécifique...
Tipo: Journal Contribution Palavras-chave: Catch composition; Catch/effort; Coastal fisheries; Commercial fishing; Commercial species; Fishing effort; Fishing fleet; Fishing gear; Pelagic fisheries; Stock assessment; Trawling; Stock assessment; Trawling; Catch composition; Fishing effort; Fishing gear; Pelagic fisheries; Http://aims.fao.org/aos/agrovoc/c_24251; Http://aims.fao.org/aos/agrovoc/c_7881; Http://aims.fao.org/aos/agrovoc/c_1384; Http://aims.fao.org/aos/agrovoc/c_24027; Http://aims.fao.org/aos/agrovoc/c_2946; Http://aims.fao.org/aos/agrovoc/c_5659.
Ano: 1988 URL: http://hdl.handle.net/1834/1171
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Le problème mondial actuel des pêches maritimes (1949) ArchiMer
Le Gall, Jean.
Tipo: Text Palavras-chave: Economics; Fishing gear; Catching; Fishes; Commercial species.
Ano: 1949 URL: http://archimer.ifremer.fr/doc/1949/publication-2207.pdf
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Les baudroies ou lottes, espèces majeures de la pêche française: situation et perspectives ArchiMer
Dupouy, Herve; Andro, M; Avrilla, J.l.; Fifas, Spyros; Kergoat, Bernard; Morizur, Yvon; Mtimet, M; Pennober, J.p; Rivoalen, Jean-jacques.
Tipo: Text Palavras-chave: North East Atlantic; France; Trade analysis; Commercial species; Angler; Monk; SEM; Débarquement; Recrutement; Engins de pêche; Lophius budegassa; Lotta lotta; Lophius piscatorius; Baudroie; Lotte.
Ano: 1993 URL: https://archimer.ifremer.fr/doc/1993/rapport-2187.pdf
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Les marinades des produits de la mer ArchiMer
Knockaert, Camille.
Marinade is a light pickling brine, eventually spiced or sugared, acidified with vinegar or other allowed organic acid. Marinades are half-preserved food that do not have undergo a preliminary treatment in order to eliminate all micro-organisms. The principes of marinading, the importance of sea-products quality, their acidification , and the subsequent pasteurization are explained in this book. Some examples of industrial recipes are given. Legal recommendations are given as annexes.
Tipo: Text Palavras-chave: Seafood /Fishery industry legislation; Commercial species; Processed fishery products; Conditionnement; Technique; Marinage; Valorisation; Méthodologie; Conservation; Traitement produit pêche.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/rapport-630.pdf
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L'exploitation mondiale des crustaces: Bilan et perspectives ArchiMer
Laubier, A; Laubier, Lucien.
Since nearly twenty years, world exploitation of crustaceans increases from 1,263,000 tons in 1968 to 3,419,000 tons in 1985, overcoming the predictions of 1970 by more than one million tons. Penaeid prawns fisheries experienced a very fast development. The krill resource proved to be practically commercially unworkable. By now, the major crustaceans stocks appear fully exploited. During the same period, penaeid aquaculture experienced a fast growth, which should continue in the near future.
Tipo: Text Palavras-chave: Statistics; Shrimp culture; Crustacean fisheries; Commercial species.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/acte-1407.pdf
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