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Registros recuperados: 5
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Les metiers de la peche a La Reunion (ocean Indien): description et evolution des techniques de peche sur les dispositifs de concentration de poissons (DCP) ArchiMer
Ross, D; Tessier, E; Berthier, P; Berthier, L.
Since a few years, the catches of pelagic fish by artisanal fishermen of Reunion Island have strongly increased. Manpower and investments have been constant through the maintenance of about 30 fads all around the island. The traditional techniques of fishing pelagic fishes have been adapted in order to maintain a high level of catches and ensure the income of the fishermen. This report describes different techniques to capture pelagic fish on fads such as drift fishing, dragnet fishing and longline fishing. Knowledge, professional experience of fishermen are the main factors in setting fads and sustaining adaptability. The strong relation between the knowledge of the fishermen and the techniques is discussed. Then, the strategies of fishing, influenced by...
Tipo: Text Palavras-chave: Artisanal fishing Attracting techniques Fishing technology Tuna fisheries Article Geographic Terms: ISW; Indian Ocean ISW; Indian Ocean; Mascarene Is.; Reunion.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15294/12652.pdf
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Peche artisanale sur DCP et peche palangriere a la Reunion: antagonisme ou complementarite? ArchiMer
Tessier, E; Poisson, Francois.
More than ten years after its launching, an evaluation of the results of the FADs programme carried on in Reunion Island has been made. Its implementation and its impact on artisanal fishery in Reunion Island have been analysed. This analysis demonstrates that, following a continuously ascending phase, the production of fish caught on fads has reached a plateau. Parallel to the FAD-associated fishery, the longline fishery has developed since 1991. This type of fishery includes production units whose operating zone is bordering the FAD installation area. Analysing the evolution of the small longliner sector is based on general activity indicators (number of ships, production, fish selling prices). Besides, a synthesis of the interactions between those two...
Tipo: Text Palavras-chave: Artisanal fishing; Attracting techniques; Longlining; Tuna fisheries.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15319/12640.pdf
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Fish communities of Geyser and Zelee coral banks (Western Indian Ocean). ArchiMer
Chabanet, P; Tessier, E; Durville, P; Mulochau, T; Rene, Francois.
The ichtyofauna of Geyser and Zelee coral banks (north of Mozambique canal) was investigated in 1996, this work being the first quantitative study on this area. Quantitative data were collected on 11 stations (mean depth 18 m) by visual observations along 50 m transect, widened to 2 m for small sedentary species, and to 5 m for commercial species with a large action range. The main descriptors of the fish communities (species richness, abundance per species) and the trophic structure (omnivorous, herbivorous, carnivorous, browsers of sessile invertebrates) were described and analysed.A total of 294 fish species, belonging to 43 families were recorded. The species richness varied from 45 to 83 species / station, and the abundance, from 292 to 1322...
Tipo: Text Palavras-chave: Ichtyofauna; Western Indian Ocean; Coral reefs; Geyser and Zelee; Trophic structure.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00000/10132/7687.pdf
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Systèmes halieutiques et DCP dans l'océan Indien: une revue de la diversité des trajectoires et des résultats en termes d'intégration et de durabilité ArchiMer
Tessier, E; Rey-valette, H; Ah-nieme, D; Bargain, Rm; Venkatasamy, A; Wendling, Bertrand.
The first fad's in the islands of the South West Indian Ocean were moored in the fifties. The area under study forms part of the Indian Ocean Commission which include Comoros, Madagascar, Mauritius, Seychelles, Reunion and the island of Mayotte. After a few isolated trials that turned to be inconclusive, especially for lack of reliability of the devices moored, trials were pursued under the auspices of International Organizations. A new type of fad was successfully designed and implemented in Mauritius. This model was then applied in the Comoros in 1987, in la Reunion and Madagascar in 1988 and in Mayotte in 1989. The various programmes have had various results. In some cases such as la Reunion and Mauritius, they have played a key role in the development...
Tipo: Text Palavras-chave: Artisanal fishing Attracting techniques Fishery development Oceanic islands Tuna fisheries Article Geographic Terms: Comoro Is. Comoro Is.; Mayotte ISW; Indian Ocean Madagascar Mascarene Is.; Reunion Mascarine Is.; Mauritius Seychelles.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15285/12671.pdf
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Analyse fonctionnelle des causes de rupture des DCP de la Réunion (océan Indien) ArchiMer
Sacchi, Jacques; Tessier, E.
The development of the FAD gave rise to technical problems owing to their conception, their setting spot and of their utilisation. Failings generated by the unreliability of components or the uncertain repair precariousness, those can prove to be here more and more expensive with the progression of the ageing of devices and reasons of their loss. For as various domains that aerospace or the fishing deck layout, the engineering has functional analysis tools that permit to reduce conception uncertainties of systems by the mean of a hierarchical classification of function values of components. The application of one of these techniques, the FMEA, Failure Mode and Effects Analysis, to the study of reasons of FAD loss in La Reunion describes perfectly...
Tipo: Text Palavras-chave: Analysis Attracting techniques Risks Tuna fisheries Article Geographic Terms: ISW; Indian Ocean ISW; Indian Ocean; Mascarene Is.; Reunion.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15289/12675.pdf
Registros recuperados: 5
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