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Registros recuperados: 27
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Activités de la flotille palangrière coréenne dans la zone économique exclusive seychelloise (novembre 1980-décembre 1982) IRD
Potier, Michel; Hallier, Jean-Pierre; Nageon de Lestang, J..
Tipo: Text Palavras-chave: PECHE MARITIME; NAVIRE DE PECHE; PALANGRIER; LEGISLATION; ZONE ECONOMIQUE EXCLUSIVE; EFFORT DE PECHE; VARIATION MENSUELLE; ESTIMATION DE STOCK; PATUDO; COMPOSITION DE LA PRISE; ALBACORE.
Ano: 1985 URL: http://www.documentation.ird.fr/hor/fdi:23200
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Big purse seiners fishery : statistical collection year 1993 IRD
Potier, Michel; Nurhakim, S.; Sadhotomo, B..
Tipo: Text Palavras-chave: POISSON MARIN; ESPECE COMMERCIALE; NAVIRE DE PECHE; SENNEUR; ZONE DE PECHE; EFFORT DE PECHE; DONNEES STATISTIQUES; COMPOSITION DES PRISES; DYNAMIQUE DES FLOTILLES.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:41022
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Bioaccumulation of trace elements in pelagic fish from the Western Indian Ocean ArchiMer
Kojadinovic, Jessica; Potier, Michel; Le Corre, Matthieu; Cosson, Richard P.; Bustamante, Paco.
Trace elements were analyzed in fish of commercial interest to determine their importance in marine systems of the Western Indian Ocean and their bioaccumulation patterns. The results are equivalent or lower than levels reported in ichthyofauna worldwide. Certain values of muscular Cd, Hg, Pb and Zn were, however, above thresholds for human consumption. Levels varied among tissues, species and fish length, but were seldom influenced by the nutritional condition of the fish, its gender and its reproductive status. Correlations between hepatic Hg and Se levels in Swordfish (r(2) = 0.747) and Yellowfin Tunas (r(2) = 0.226), and among metallothionein linking metals imply the existence of detoxification processes in these species. Level differences between fish...
Tipo: Text Palavras-chave: Guidelines; Detoxification; Contamination; Fish; Metals.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2490.pdf
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Composite model on small pelagic resources IRD
Nurhakim, S.; Sadhotomo, B.; Potier, Michel.
This study is based on the catch and effort data, collected from different sources between 1976 and 1986. The composite model of Caddy and Garcia (1982), one of the models derived from the Schaefer and Fox model, was used to estimate the MSY (Maximum Sustainable Yield) and the optimum effort of the small pelagic resoures in the Java Sea. It seems that the current status of exploitation is near its maximal level. The fisheries exploit a lot of species with various ecological behaviors. Some, such as the coastal specie, are fully and heavily exploited while others, such as the coastal species, are fully and heavily exploited while others, such as the oceanic ones, are partially exploited. Thus it is difficult to give an accurate assessment. Other approaches...
Tipo: Text Palavras-chave: PECHE MARITIME; POISSON MARIN; ESPECE PELAGIQUE; EFFORT DE PECHE; MODELE; ANALYSE STATISTIQUE; COMPOSITION DES PRISES.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:42770
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Evaluation de l'abondance des poissons pélagiques dans les parages de Ceram et d'Irian-Jaya (Indonésie) = An evaluation of the abundance of pelagic fish around Ceram and Irian-Jaya (Indonesia) IRD
Boëly, Thierry; Potier, Michel; Marchal, Emile.
Deux campagnes de pêche exploratoire ont été conduites dans l'est de l'Indonésie par l'ORSTOM, avec le N/O CORIOLIS, pour étudier la distribution et l'abondance des poissons pélagiques côtiers. Le document présente la méthodologie acoustique utilisée et donne les résultats de ces campagnes : caractéristiques physico-chimiquesde l'environnement, possibilités d'utilisation d'appât vivant pour la pêche au thon à la canne dans les Molluques du Sud (Ceram) et dans le nord de l'Irian Jaya (Waigeo et Sorenarwa), localisation des principales concentrations de poissons pélagiques dans les régions parcourues (Résumé d'auteur).
Tipo: Text Palavras-chave: POISSON MARIN; ESPECE PELAGIQUE; SARDINE; SARDINELLE; APPAT; BIOTOPE; ZONE DE PECHE; CAMPAGNE OCEANOGRAPHIQUE; ECHOINTEGRATION; DISTRIBUTION SPATIALE; BIOMASSE; ANALYSE STATISTIQUE; CHINCHARD; PECHE AU BOUKI AMI; SPRAT BLEU; SPRAT ARGENTE; ANCHOIS; MAQUEREAU.
Ano: 1986 URL: http://www.documentation.ird.fr/hor/fdi:23112
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Exploitation of the large and medium seiners fisheries IRD
Potier, Michel; Sadhotomo, B..
Since the trawl ban in 1980 pelagic species are the main resources exploited in the Java Sea by numerous fisheries. Among those the purse-seine fisheries are the main ones. The large and medium seiners located in the province of Central Java are heavily involved in this exploitation. The fleets consisting of wooden vessels prospect the Java Sea, the Makassar Strait and the Southern part of the South China Sea. Pekalongan and Juwana are the main centers where 70% of the vessels gather and 90% of the catch is landed. If the activity in Pekalongan is high since 1976 it is new in Juwana and related to the displacement of the main fishing grounds to the eastern part of the Java Sea. (D'après résumé d'auteur)
Tipo: Text Palavras-chave: STOCK; MODELE; INTERACTION; FACTEUR ECOLOGIQUE; ANALYSE MATHEMATIQUE; INTELLIGENCE ARTIFICIELLE; SYSTEME EXPERT.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:42773
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Exploratory scheme for the recruitment and migration of the main pelagic species IRD
Sadhotomo, B.; Potier, Michel.
In order to obtain the catch frequency lenght of the species caught by the purse seiners fleet a sampling scheme was set at two main landing places. The present article covers the data collected from December 1991 to December 1993.In the Java Sea, there is a spatial stratification of the fish population, the juveniles staying more inshore than the adults, while the evolution of the average length of the fish caught by the seiners increases from West to East, following a West-East axis. Due to different fishing tactics, the large seiners tend to catch bigger sized-fish than the medium one do. (Résumé d'auteur)
Tipo: Text Palavras-chave: POISSON MARIN; ESPECE PELAGIQUE; MIGRATION; DISTRIBUTION SPATIALE; JUVENILE; VARIATION SAISONNIERE; MODELE.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:42771
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Fishing strategies and tactics in the Javanese seiners fisheries IRD
Potier, Michel; Petit, Didier.
Fishing strategies and tactics are related to the knowledge fishermen have about environment, to the behavior of the fish and to the socio-economical factors which affect the fishery. The fishermen knowledge is applied to the strategy (time scale from the trips - less than one month up to one year), and to the tactics which is the way fish are caught (time scale, fishing operations). The strategy of the Javanese fishermen is highly correlated with the monsoons regime. The alternation of these seasons induces changes in the abundance of fish in the Java Sea. Fishermen choose their fishing areas according to the fluctuation of the abundance. Before 1992, the trip strategy was to choose one fishing ground and to spend all the fishing days in this zone. Since...
Tipo: Text Palavras-chave: PECHE MARITIME; TECHNIQUE DE PECHE; SENNE; ZONE DE PECHE.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:42772
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Influence de paramètres de l'environnement sur la pêche à la senne tournante et coulissante en Mer de Java IRD
Potier, Michel; Boëly, Thierry.
Les phénomènes hydrologiques sont essentiels dans la répartition des espèces pélagiques et leur abondance en certains secteurs. La mer de Java est le siège d'importants mouvements d'eau, dépendants du cours des moussons, qui modifient profondément son hydrologie. Les fluctuations de la température sont faibles alors que celles de la salinité sont élevées. Ces variations sont dues à deux agents climatiques, le vent et la pluviométrie. Ils induisent la présence plus ou moins saisonnière de populations halieutiques dont la répartition géographique et la composition spécifique varie en fonction des seuils de tolérance des espèces à la salinité. La pêcherie à la senne tournante et coulissante met bien en évidence ces phénomènes. Dans les zones de pêche...
Tipo: Text Palavras-chave: POISSON MARIN; ESPECE PELAGIQUE; ABONDANCE; HYDROLOGIE MARINE; CLIMAT; PECHE MARITIME; SENNEUR; RENDEMENT; RELATION PECHE ENVIRONNEMENT.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:40937
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Interaction between fish and fishing vessels in the Javanese purse seine fishery ArchiMer
Potier, Michel; Petitgas, Pierre; Petit, Didier.
The purse-seiners of the Java Sea use light and fish aggregating devices (FAD) to concentrate and catch small pelagic fish (Decapterus sp., Amblygaster sirm, Sardinella gibbosa). This sets a question about the interaction between fish and fishing vessels. Relevant estimates of fishing mortality and fishing effort require an understanding of this interaction. To gain information on this relationship, acoustic surveys were performed on the fishing grounds and the present paper analyses these data. Using acoustic surveys, the fish density was measured and the number of schools was counted per sea surface unit. The fishing vessels were located by radar. Acoustic data were stratified into two groups, one where fishing vessels were present and the other where...
Tipo: Text Palavras-chave: Pêche; Acoustique; Structures spatiales; Pélagiques; Mer de Java; Indonésie; Fishing operation; Echo surveys; Spatial structure; Pelagic fish; Java Sea; Indonesia.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/00188/29884/28343.pdf
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La pêche en mer de Java IRD
Potier, Michel; Boëly, Thierry.
Après un court préambule décrivant l'environnement et les principales espèces commerciales de la mer de Java, l'article décrit et analyse sur dix ans - 1976/1986 - l'évolution des principaux types artisanaux de capture : filets soulevés, filets maillants, sennes côtières, sennes tournantes et coulissantes. Dans ce dernier cas, la production en constante augmentation est aux mains du secteur privé, dynamique. En dehors de la pêche à la senne tournante, de type semi-industriel, il n'existe pas de pêche industrielle #sensu stricto$ en mer de Java. Dans tous les cas, les conditions d'exploitation sont rudimentaires et souvent insuffisantes et des conflits apparaissent entre les différents types d'exploitation. (Résumé d'auteur)
Tipo: Text Palavras-chave: PECHE ARTISANALE; POISSON; ESPECE PELAGIQUE; ESPECE DEMERSALE; ENGIN DE PECHE; FILET; SENNE TOURNANTE.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:30119
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L'activité des grands senneurs en mer de Java IRD
Boëly, Thierry; Potier, Michel; Nurhakim, S..
520 senneurs de grande taille exploitent en mer de Java chinchards, maquereaux et sardinelles. Ils opèrent à partir de cinq ports situés sur la côte Nord de l'île de Java dans la province de Java Centre et y débarquent 117.000 tonnes de poissons pélagiques côtiers en 1985. L'article analyse ce type d'exploitation, résume ses principales caractéristiques et décrit son évolution de 1976 à 1985. Cette pêcherie est en pleine expansion, mais dans l'état des données disponibles, il n'est pas possible de donner un avis sur l'état des stocks exploités. (Résumé d'auteur)
Tipo: Text Palavras-chave: PECHE MARITIME; POISSON; ESPECE PELAGIQUE; SARDINELLE; CHINCHARD; NAVIRE DE PECHE; SENNEUR; EFFORT DE PECHE; MAQUEREAU.
Ano: 1987 URL: http://www.documentation.ird.fr/hor/fdi:010025720
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L'appât vivant aux Seychelles : synthèse des connaissances acquises IRD
Marsac, Francis; Poupon, J.C.; Potier, Michel; Stéquert, Bernard.
Tipo: Text Palavras-chave: RESSOURCES HALIEUTIQUES; APPAT LIBRE; POISSON MARIN; SARDINE; CHINCHARD; REPARTITION HORIZONTALE; REPARTITION VERTICALE; CROISSANCE; ALLOMETRIE; REPRODUCTION; ESTIMATION DE STOCK; PRODUCTION HALIEUTIQUE; CARANGIDAE; DECAPTERUS MARUADSI; DECAPTERUS MACROSOMA; CLUPEIDAE; HERKLOTSICHTHYS PUNCTATUS; ATHERINIDAE; PRANESUS PINGUIS.
Ano: 1983 URL: http://www.documentation.ird.fr/hor/fdi:03178
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Length composition of the main pelagic species caught by the seiners of the Java Sea 1993 IRD
Sadhotomo, B.; Potier, Michel.
Tipo: Text Palavras-chave: POISSON MARIN; ESPECE PELAGIQUE; NAVIRE DE PECHE; SENNEUR; ZONE DE PECHE; DONNEES STATISTIQUES; FREQUENCE DE TAILLE.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:41023
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Medium size purse seiners fishery : statistical collection 1987-1991 IRD
Potier, Michel; Sadhotomo, B..
Tipo: Text Palavras-chave: PECHE MARITIME; NAVIRE DE PECHE; SENNEUR; EFFORT DE PECHE; DONNEES STATISTIQUES; DYNAMIQUE DES FLOTTILLES.
Ano: 1992 URL: http://www.documentation.ird.fr/hor/fdi:38998
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Organohalogen compounds in yellowfin tuna (Thunnus albacares) from the western Indian ocean ArchiMer
Torres, Joao Paulo Machado; Munschy, Catherine; Heas-moisan, Karine; Potier, Michel; Menard, Frederic; Bodin, Nathalie.
Tipo: Text
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00077/18866/16445.pdf
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Pelagic fish abundance from Semarang (Central Java) to South China Sea in April 1993 IRD
Petit, Didier; Nugroho, D.; Potier, Michel.
An acoustic survey, from Semarang towards the South China Sea, allows the haline situation and the distribution of abundance in pelagic fishes at the end of the wet season to be described. At that moment, the fleet of Javanese seiners operates in the south-west of the Natuna Islands, in depths of 50 meters. The analysis of haline vertical profiles shows the presence of three zones : the Java Sea with vertical gradients due to the coastal desalinization, the Karimata Strait with isohaline water at 33.5% and the South China Sea with deep waters at 34%. The last sector where the fleet was operating, was three times richer than the Javanese waters at that time. Without direct correlation with that, the zonation of the abundance (scattered or aggregated fishes)...
Tipo: Text Palavras-chave: RESSOURCES HALIEUTIQUES; POISSON MARIN; ESPECE PELAGIQUE; SALINITE; DENSITE DE POPULATION; VARIATION SPATIALE; REPARTITION VERTICALE; RYTHME NYCTHEMERAL; PROSPECTION ACOUSTIQUE; ABONDANCE; BANC.
Ano: 1997 URL: http://www.documentation.ird.fr/hor/fdi:010017255
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Projet GERMON. Structure génétique et migration du thon Germon ArchiMer
Nikolic, Natacha; Puech, Alexis; Chouvelon, Tiphaine; Munschy, Catherine; Bodin, Nathalie; Brach-papa, Christophe; Potier, Michel; West, Wendy; Knoery, Joel; Zudaire, Iker; Dhurmeea, Zahirah; Degroote, Maxime; Cedras, Maria; Evano, Hugues; Bourjea, Jerome.
The GERMON project had several aims i) to understand the populations’ structure between albacore tuna southwest of the Indian Ocean and southeast Atlantic, ii) to determine the origin of juveniles observed in South Africa iii) to improve the understanding of the biology field (Size/Size and Size/Weight; reproduction and feeding area; trophic linkages) and iv) to initiate work on chemical analyzes and adaptation of the albacore species to its environment. These aims have been held and the results allow a better understanding of the management albacore. A general summary of results is presented in Part 9.
Tipo: Text Palavras-chave: Germon; Thunnus alalunga; Génétique; Stock; Structure; Connectivité; Chimie; Reproduction; Alimentation; Habitat; Albacore; Thunnus alalunga; Genetic; Stock; Structure; Connectivity; Chemical; Reproduction; Feeding behavior; Habitat.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00293/40461/39152.pdf
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Seasonal and interannual variations of the sea surface temperatures (SST) in the Banda and Arafura sea area IRD
Boëly, Thierry; Gastellu-Etchegorry, J.P; Potier, Michel; Nurhakim, S..
Tipo: Text Palavras-chave: TEMPERATURE DE SURFACE; VARIATION SAISONNIERE; VARIATION INTERANNUELLE; MER; SATELLITE GEOSTATIONNAIRE; SATELLITE METEOROLOGIQUE; TELEDETECTION SPATIALE; TRAITEMENT DE DONNEES; VISUALISATION; ETUDE REGIONALE; UPWELLING; VENT; EL NINO.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:010023715
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Seiners fisheries in Indonesia IRD
Potier, Michel; Sadhotomo, B..
Tipo: Text Palavras-chave: PECHE MARITIME; TECHNIQUE DE PECHE; SENNE; RENDEMENT; DONNEES STATISTIQUES.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:42769
Registros recuperados: 27
Primeira ... 12 ... Última
 

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