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Registros recuperados: 11
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Aspects technologie pêche de la campagne JUVESU 99 ArchiMer
Meillat, Marc.
IFREMER's "Fishing Technology" team participated in the JUVESU99 campaign from 1 to 13 September. The equipment tested was the same as that from the SURFET99 campaign, a pelagic trawl with a surface area of 47.75 x 43.75 with netting of 500 metres of cables, 120-metre arms of equal length above and below, and a ballast of 40 kg to each wing tip The pelagic panels used were panels from the company TYBORON of "type 8" lent through the intermediary of the Kéroman company, Dock et Entrepôts Maritimes. The trawl's collection of balls consisted of a cluster of ten 11-litre balls on each upper wing tip, and a cluster of five 11-litre balls on each side of the square. The total collection of balls was therefore thirty 11-litre balls along the back rope of the...
Tipo: Text Palavras-chave: Gwen Drez; Fishing technology; Pelagic trawl; Fishing gear; Trawl survey; Gwen Drez; Technologie des pêches; Chalut pélagique; Engin de pêche; Campagne de chalutage.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/rapport-2647.pdf
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Contribution des DCP fixes et derivants a l'accroissement de la puissance de peche des navires de peche thoniere ArchiMer
Le Gall, Jy.
Tuna world fisheries yield 3 million tons per year; the increase rate of whole production is constant and sustained since 30 years. This original figure for marine fisheries is due to enlargement of tuna fleets and fishing grounds over all the world ocean, the continuous increase of tuna fishing power by in board equipment and remote sensing equipment for searching and scouting (on board, aircraft, satellite, telecommunication_). During the last 20 years, the log-associated tuna fishing has contributed to the local individual and tuna fleets efficiency and fishing power either for large industrial tuna seiners by radio-equipped buoys on natural (debris) or artificial man-made logs. The same trend is noted for numerous artisanal tuna and large pelagic...
Tipo: Text Palavras-chave: Attracting techniques; Fishing power; Fishing technology; Remote sensing; Tracking; Tuna fisheries; Ultrasonic devices.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15297/12656.pdf
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Evaluación experimental bioeconómica de cambios en la tecnología de captura de camarón con redes de arrastre en aguas someras del Pacífico colombiano OceanDocs
Rico-Mejía, F.; Rueda, M..
Con la activa participación del sector industrial pesquero, se evaluaron los efectos biológicos y económicos de cambios tecnológicos en redes de arrastre para camarón en aguas someras del Pacífico colombiano en términos de reducir la fauna acompañante y el consumo de combustible. Se usaron dos embarcaciones simultáneamente en faenas de pesca experimental que compararon el desempeño de una red prototipo y de la red convencional usada por la flota, cuantificando en ambos casos los efectos del dispositivo excluidor de tortugas (DET) y de dos subáreas de pesca (centro-norte y centro-sur). Las variables de desempeño pesquero usadas para evaluar el efecto de cambios en la tecnología de pesca sobre la captura objetivo (CO) y la fauna acompañante [captura...
Tipo: Journal Contribution Palavras-chave: Trawl nets; Fishing technology; Biodiversity; Fishery economics; Biodiversity; Http://aims.fao.org/aos/agrovoc/c_33949.
Ano: 2007 URL: http://hdl.handle.net/1834/3505
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Guam Fish Aggregating Device programme ArchiMer
Torres, A.
Installation and maintenance of FADs by the Government of Guam began in 1979, initially with funding from the Salstonstall-Kennedy Act through the Pacific Tuna Development Foundation. Current funding for the Guam FAD project is provided through the Dingell-Johnson/Wallop-Breaux Sport Fish Restoration programme, a Federal Aid Project funded by taxes collected on the purchase of fishing equipment and motorboat fuels nationwide. There are now sixteen operational FAD sites in Guam's waters. At a cost of approximately US$10,000 per system, concern for the rising costs of replacing and maintaining FAD systems has prompted the Department of Agriculture's Division of Aquatic and Wildlife Resources (DAWR) to investigate alternative FAD maintenance strategies and...
Tipo: Text Palavras-chave: Attracting techniques; Buoys; Catching methods; Financing; Fishery economics; Fishery management; Fishery policy; Fishing technology; Governments; Maintenance and repair; Marine fisheries; Mooring lines; Tuna fisheries; Article Geographic Terms: Guam; USA.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00042/15324/12650.pdf
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Le chalutage pélagique et notes sur ce chalutage avec panneaux Suberkrub ArchiMer
Portier, Marcel.
Following the trials conducted in 1958/59 by German trawlers, the I.S.T.P.M. tested for the first time, in 1960, on the Roselys, a 120 CV oceanographic research vessel, a pelagic trawl using a boat equipped with a headrope sounder. The trawl was a double panel trawl with an opening perimeter of 500 80 mm meshes. The lateral opening was made through hydrodynamic Süberkrüb doors of 1,7 sq. meters and 130 kg. Finally, an Atlas Werke netzsonde whose oscillator was set on a platform towed behind a headrope, was transmitting information about the opening and sinkage depth of the trawl to the bridge. The cable only had one conductor and the answer was transmitted through the water. Since then, new cables with two coaxial conductors have been used and results are...
Tipo: Text Palavras-chave: Suberkrub doors; Roselys; Netzsonde; Pelagic trawl; Fishing technology; Panneaux Suberkrub; Sondeur de corde de dos; Netzsonde; Roselys; Chalut pelagique; Technology des pêches.
Ano: 1970 URL: http://archimer.ifremer.fr/doc/1970/rapport-3407.pdf
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Mission ORHAGO1, Mise au point d'un gréement de chaluts jumeaux pour les campagnes halieutiques ORHAGO ArchiMer
Vacherot, Jean-philippe; Bavouzet, Gerard.
The new ORHAGO campaigns, which aim to form a multi-year series of biological and ecological data, are relying on the use of twin trawls associated with a new type of rigging. The ORHAGO1 campaign should make it possible to make adjustments of the diverse elements of the fishing train in order to obtain an optimal configuration. This preliminary adjustment is indispensable for obtaining reliable data during ORHAGO campaigns. In order to do this, twin trawls of 25.15 metres, belonging to TMSI, were used jointly with the ship's panels (Morgère WS) and a clump specially developed for the occasion with the Morgère Company. In order to verify the correct behaviour of the device, the Scanmar setup monitoring system as well as Micrel tension and inclinometric...
Tipo: Text Palavras-chave: Clump; Trawl doors; Trawl survey; Twin trawls; Fishing technology; Clump; Panneaux; Campagne de chalutage; Chaluts jumeaux; Technologie des pêches.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/rapport-2651.pdf
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Modélisation en 3D du bassin d'essais d'engins de pêche de la station de Lorient ArchiMer
Davigo, Erwan; Bavouzet, Gerard.
3D modelling of the fishing gear flume tank at IFREMER's Lorient site Within the framework of their training, it is suggested that students in their first year of the "Industrial Product Design" BTS (vocational training certificate) at the Colbert de Lorent school participate in an internship in order to put into practice their acquired skills and to familiarise themselves with the work environment. Erwan Davigo did his internship at IFREMER's Lorient station, in the Fishing Technology department, from 18 May 1998 to 26 June 1998 (placement supervisor: Gérard Bavouzet). The study topic focuses on modelling the Lorient station's test basin in three dimensions, thus making it possible to complete the documentation base. IFREMER is presented in its entirety...
Tipo: Text Palavras-chave: Fishing technology; Flume Tank; 3 D modeling; Technologie des pêches; Bassin d'essais; CAO; Modelisation 3 D.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/rapport-2650.pdf
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Observation en bassin du chalut pélagique a recouvrement de ventre ArchiMer
Meillat, Marc.
Following a mission made by J.P. George on board trawls testing tunny fishing by using a pelagic "boeuf" trawl in September 1987 (because these tests were very promising), IFREMER became interested in designing a trawl more adapted to this type of fishing, known as surface fishing, it was therefore decided to create a mock-up to scale of the trawl that folds down from the bottom.
Tipo: Text Palavras-chave: Fishing technology; Pelagic trawl; Flume tank; Technologie des peches; Chalut pelagique; Bassin d'essai.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/1988/rapport-2747.pdf
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OCCUPATIONAL CHARACTERISTICS, TECHNOLOGY USE AND OUTPUT DETERMINANTS AMONG FISHERFOLKS IN OGUN WATERSIDE AREA, OGUN STATE AgEcon
Olubanjo, O.O.; Akinleye, S.O.; Balogun, A.M..
This study examines the occupational characteristics and technology options of capture fisheries in Ogun Waterside Local Government Area of Ogun State. Data were collected from respondents selected randomly from four fishing communities in the local government using questionnaires. Descriptive statistics were used to analyse the data. Most of the respondents are male, aged above 30 and had minimal education. Lagoon fishing is the most common and there was an inverse relationship between fishing water distance and frequency of fisher folk plying the route. Non-motorized fishing technologies were used by most of the respondents. The significant variables in the regression analyses are fixed production costs and high sea fishing. Recommendations centered on...
Tipo: Report Palavras-chave: Fishing technology; Fishing income; Technology use; Agribusiness.
Ano: 2006 URL: http://purl.umn.edu/54400
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Participation au groupe de travail du CIEM sur la technologie de la pêche et le comportement du poisson : compte rendu de la mission à Tromso (Norvège), 19-23 Mai 1985 ArchiMer
Nedelec, Claude.
Collaboration with the CIEM workgroup on fishing technology and fish behaviour. 13 contributions including 4 oral presentations (see list in Appendix 2), either related to the two selected topics-"submarine observation: techniques and equipment" and "conception of fishing vessels using passive gear"-or to general subjects.
Tipo: Text Palavras-chave: Fish behaviour; Fishing technology; Comportement du poisson; Technologie de la pêche.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/rapport-3943.pdf
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Redes de arrstre de gran abertura vertical y alta velocidad empleadas en la pesca comercial de la region austral del Atlantico Sudoccidental. OceanDocs
Martini, L..
Fishing activities with trawl nets used by the commercial fleet in the continental slope of the Southwest Atlantic are quite different from those developed in the Argentine shelf because, in the former, depths are very variable and slopes are more marked: therefore, fishing procedures are quite different. In this work, the most important differences are described: fish species, fishing gear, type of vessel and machinery on deck, as well as the training and experience of skippers.
Tipo: Book Section Palavras-chave: Trawl nets; Commercial fishing; Fishing technology; Demersal fisheries; Demersal fisheries; Http://aims.fao.org/aos/agrovoc/c_2173.
Ano: 2001 URL: http://hdl.handle.net/1834/2588
Registros recuperados: 11
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