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Registros recuperados: 29
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Patrón espacial y temporal de las áreas de asociaciones ícticas demersales costeras (34°S-41°S) y su relación con los factores ambientales. OceanDocs
Jaureguizar, A.J..
The spatial and temporal changes of the fish assemblage areas composition at the coastal ecosystem of the western South Atlantic (34 degree -41 degree S) during six springs (1981, 1983, 1994, 1995, 1998 and 1999), were examined. For each assemblage area the most common species and those species that discriminate it from adjacent assemblages areas within years, were identified. Within each area, also resident (common in all years) and facultative (contributing to less than 90% of similarity within any year) species, were studied. Also were identified what parameters control the main structuring of the fish community on the spatial and temporal patterns. In order to determine how the environmental factors influenced the fish community structure, the...
Tipo: Theses and Dissertations Palavras-chave: Marine fish; Community composition; Coastal fisheries; Ecosystem management; Species diversity; Coastal zone; Ecological zonation; Environmental factors; Assemblages; Ecological zonation; Environmental factors; Coastal fisheries; Species diversity; Http://aims.fao.org/aos/agrovoc/c_2465; Http://aims.fao.org/aos/agrovoc/c_2594; Http://aims.fao.org/aos/agrovoc/c_1696; Http://aims.fao.org/aos/agrovoc/c_33954.
Ano: 2004 URL: http://hdl.handle.net/1834/1469
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Análisis de la utilización de la captura por unidad de esfuerzo de pescadilla de red (Cynoscion guatucupa) como índice de abundancia anual. Período 1992-2004 OceanDocs
Perrotta, R.G.; Ruarte, C.O..
The stripped weakfish (Cynoscion guatucupa) caught in Brazil, Uruguay and Argentina (SW Atlantic) has a wide latitudinal distribution (22° S-43° S). In Argentina there are two main fishing areas, the Argentine-Uruguayan Common Fishing Zone and 'El Rincón', southern zone of the Buenos Aires littoral. The importance of the species makes it necessary to define an annual abundance index that would allow to diagnose the state of the stock. The model adjusted to calculate the index is the General Linear Model. The factors used were Year, Quarter, Length, Stratum (4 categories) and sub-areas (5 categories), all statistically significant. The problem generated by the presence in the model of first order interactions that include the Year factor is discussed. The...
Tipo: Journal Contribution Palavras-chave: Catch/effort; Mathematical models; Coastal fisheries; Marine environment; Marine environment; Mathematical models; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_24199; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2009 URL: http://hdl.handle.net/1834/3461
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Etude environnementale et sociale du PRAO (Cap Vert, Sierra Léone, Libéria, Sénégal) OceanDocs
Faye, M. M..
La Commission Sous Régionale des Pêches (CSRP), qui est un organisme intergouvernemental de coopération halieutique dont l’objectif global est l’harmonisation à long terme, des politiques des pays membres en matière de préservation, de conservation et d'exploitation durable de leurs ressources halieutiques et le renforcement de leur coopération au profit du bien-être de leurs populations respectives, a obtenu par l’intermédiaire de la Banque mondiale, un Don du Fonds pour l’Environnement Mondial (FEM) et du Gouvernement du Japon, pour la préparation d’un Projet Régional des Pêches en Afrique de l’Ouest (PRAO) pour trouver une solution à la problématique susvisée. Ce projet implique 9 pays côtiers: la Mauritanie, le Cap Vert, le Sénégal, la Gambie, la...
Tipo: Report Palavras-chave: Environment management; Marine resources; Fisheries; Fishery management; Coastal fisheries; Coastal zone; Fishery regulations; Fishery economics; Marine pollution; Quality control; Illegal fishing; Fishery organizations; Quality assurance; Marine resources; Fisheries; Fishery management; Coastal fisheries; Quality assurance; Http://aims.fao.org/aos/agrovoc/c_28012; Http://aims.fao.org/aos/agrovoc/c_2934; Http://aims.fao.org/aos/agrovoc/c_24026; Http://aims.fao.org/aos/agrovoc/c_1696; Http://aims.fao.org/aos/agrovoc/c_35287.
Ano: 2009 URL: http://hdl.handle.net/1834/3676
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Résultats généraux des pêches maritimes 2004 OceanDocs
This document presents the Senegalese maritime fishing statistics in 2004 with the catch from the artisanal fisheries, the industrial fisheries as well as exports and the value of commercial coating.The document also informs on the number of estimated canoes , the estimated number of fishermen, consumption of fresh fish product and processed products. The document also shows fisheries statistics by marine areas.
Tipo: Report Palavras-chave: 1603; Artisanal fishing; Fish catch statistics; Fisheries; Coastal fisheries; Demersal fisheries; Pelagic fisheries; Marine fisheries; Marine molluscs; Marine resources; Marketing; Capture fishery economics; Multispecies fisheries; Fisheries; Demersal fisheries; Marine fisheries; Marine resources; Marketing; Coastal fisheries; Pelagic fisheries; Multispecies fisheries; Http://aims.fao.org/aos/agrovoc/c_2934; Http://aims.fao.org/aos/agrovoc/c_2173; Http://aims.fao.org/aos/agrovoc/c_4611; Http://aims.fao.org/aos/agrovoc/c_28012; Http://aims.fao.org/aos/agrovoc/c_4620; Http://aims.fao.org/aos/agrovoc/c_1696; Http://aims.fao.org/aos/agrovoc/c_5659; Http://aims.fao.org/aos/agrovoc/c_4987.
Ano: 2007 URL: http://hdl.handle.net/1834/2249
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Hacia un manejo ecosistémico de pesquerías. Áreas marinas protegidas en Uruguay OceanDocs
Defeo, O.; Horta, S.; Carranza, A.; Lercari, D.; de Álava, A.; Gómez, J.; Martínez, G.; Lozoya, J.P.; Celentano, E..
El análisis de largo plazo de las pesquerías costeras de Uruguay sugiere que el estado de los principales recursos es preocupante. Esto puede deberse a múltiples causas (sobrepesca, polución, causas naturales), a lo cual se suman fallas en el diseño (e.g. información de base insuficiente) o en la implementación de las normativas vigentes (e.g. fiscalización), así como a la ausencia de un enfoque integrado. Este libro plantea estrategias para el desarrollo e implementación del Manejo Ecosistémico de Pesquerías (MEP) costeras de Uruguay. En este contexto, se hace especial énfasis en la identificación de Áreas Marinas Protegidas (AMPs) como herramientas de manejo pesquero y conservación de la biodiversidad de la costa uruguaya. Se recabó información de los...
Tipo: Book Palavras-chave: M40; Ecosystems; Biodiversity; Coastal zone management; Coastal fisheries; Protected resources; Ecosystems; Biodiversity; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_2482; Http://aims.fao.org/aos/agrovoc/c_33949; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2009 URL: http://hdl.handle.net/1834/3208
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Estudios sobre la factibilidad de una pesquerÍa artesanal con palangres en los golfos y costa de la provincia del Chubut, Argentina OceanDocs
Elias, I.; Pereiro, R..
Artisanal fishing activities bivalve extraction through diving, hand-collection of octopuses and beach seine fishing are currently the only ways to exploit the coastal resources inhabiting the Argentine Northern Patagonian gulfs 42°43°S from the SW Atlantic. These are time-restricted activities. Diving and hand-collection are limited by management and sanitary policies while resource variability and commercial demand limit beach fishing. The objective of this work was to test a productive alternative, i.e., the use of longlines to increase and diversify catches in order to improve commercialization, contribute to a rational management and alleviate the pressure put on the resources exploited at present. Results obtained indicate that profitability of...
Tipo: Journal Contribution Palavras-chave: Artisanal fishing; Coastal fisheries; Longlining; Yield; Exploratory fishing; Exploratory fishing; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_2759; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2003 URL: http://hdl.handle.net/1834/2419
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Observaciones sobre la distribución vertical y caracterización de los registros ecoicos de algunas especies de peces costeros en la plataforma bonaerense. November 1994 OceanDocs
Madirolas, A.; Castro Machado, F..
Acoustic data were recorded by means of a scientific echosounder, during a survey carried out with R/V Dr. E.L.Holmberg in the coastal region off Buenos Aires, Argentina. Data were obtained in correlation with bottom trawl stations, aiming at characterizing the echo recording of several coastal fish species. Echo recording of the following species could be identified: white croaker Micropogonias furnieri, striped weakfish Cynoscion striatus, horse mackerel Trachurus lathami and red porgy Sparus pagrus. From these, some aspects of fish behaviour are described.In situ target strength measurements were taken with a split-beam transducer for striped weak fish, obtaining mean values of -43.9 dB and -42.9 dB for fish with mean length 17.0 cm and 18.5 cm...
Tipo: Journal Contribution Palavras-chave: Echo surveys; Marine fish; Echosounding; Vertical distribution; Coastal fisheries; Echosounding; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_16370; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 1998 URL: http://hdl.handle.net/1834/2474
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Descripción de las principales especies de invertebrados sujetas a explotación pesquera artesanal en el Golfo San Matías y caracterización sinóptica del sistema pesquero rionegrino relacionado con esas pesquerías OceanDocs
Narvarte, M.; Morsan, E.M..
Se presenta una sinopsis sobre la situación d las pesquerias artesanales de invertebrados del Golfo San Matías, de los principales recursos (almeja púrpura, vieira tehuelche, mejillón y pulpito) y del ecosistema marino donde se desarrollan las mismas. Se brinda una guía de análisis para proceder a la evaluación de las mismas con vistas a la potencial certificación de una gestión sustentable. Además se incluye una memoria descriptiva del sector institucional y los organismos encargados de la administración, manejo, investigación y control de las pesquerías, como asi también del marco legal en la que se desarrolla la actividad
Tipo: Report Palavras-chave: Artisanal fishing; Coastal fisheries; Fishery management; Clam fisheries; Stock assessment; Legislation; Fishery regulations; Certification; Fishery management; Stock assessment; Coastal fisheries; Legislation; Certification; Http://aims.fao.org/aos/agrovoc/c_24026; Http://aims.fao.org/aos/agrovoc/c_24251; Http://aims.fao.org/aos/agrovoc/c_1696; Http://aims.fao.org/aos/agrovoc/c_4253; Http://aims.fao.org/aos/agrovoc/c_35702.
Ano: 2005 URL: http://hdl.handle.net/1834/3712
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Areas ícticas costeras en la Zona Común de Pesca Argentino-Uruguaya (ZCPAU) y en el litoral de la Provincia de Buenos Aires, 1994 OceanDocs
Lasta, C.A.; Bremec, C.; Mianzan, H.W..
Demersal fisheries evaluation data obtained during the cruise H-13/94, in the areas of El Rincón (Buenos Aires Prov., Argentina) and the Argentine-Uruguayan Common Fishing Zone, are analyzed. Species distribution areas are defined through cluster analysis among stations (Q mode), using Bray-Curtis index applied to species abundance data: number of individuals/mn2 and t/mn2. Regarding coastal resources are dynamic and opportunistic, information.
Tipo: Journal Contribution Palavras-chave: Demersal fisheries; Coastal fisheries; Marine fish; Ecological distribution; Demersal fisheries; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_2173; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 1998 URL: http://hdl.handle.net/1834/2467
Registros recuperados: 29
Primeira ... 12 ... Última
 

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