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Registros recuperados: 43
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Análisis de las capturas de atunes realizadas por dos buques pesqueros de Mar del Plata, Argentina, entre enero y abril de 2010 OceanDocs
Garciarena, A.D..
Data obtained by observers on board of two fishing vessels during six trips carried out between January-April 2010 to catch tuna were analyzed. Thirty-four fishing days were completed and of the 59 trawls performed 37 turned out positive (with tuna catches). The fishing gear consisted of a purse seine net. Exploitation took place within the Argentine-Uruguayan Common Fishing Zone, between 36° S-39° S. The main landings occurred in March and consisted of slender tuna, Allothunnus fallai (57%), followed by albacore, Thunnus alalunga (28.5%), in January and bonito, Sarda sarda (14%), in April. Sea surface temperature ranged 16 °C-19 °C. A total of 25 length frequency samples allowed to measure individuals of the species above mentioned and those of skipjack...
Tipo: Journal Contribution Palavras-chave: Tuna fisheries; Catch statistics; Commercial fishing; Allothunnus fallai; Thunnus alalunga; Sarda sarda; Observers; Marine environment.
Ano: 2011 URL: http://hdl.handle.net/1834/4882
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Áreas potenciales de descarte de merluza para la actividad de la flota comercial argentina OceanDocs
Dato, C.V.; Villarino, M.F.; Cañete, G.R..
To improve the quality of the resource assessment it is necessary to estimate discards and quantify them applying an adequate methodology. The purpose of this work is to detect areas where the activity of the commercial fleet coincides with zones of high concentration of juveniles because they are potential discard areas. To establish possible seasonal and/or interannual variations, length distribution data derived from hake research surveys carried out on board of INIDEP vessels during the 1986-1993 period were analyzed. Samples were grouped per statistical rectangle on the basis of catch weighted average and mean, variance, skewness and kurtosis were calculated. The resulting parameters were subjected to a cluster analysis using the Euclidean distance...
Tipo: Journal Contribution Palavras-chave: Gadoid fisheries; Commercial fishing; Fishing grounds; Juveniles; Fishing effort; Seasonal variations; Fishing grounds; Juveniles; Fishing effort; Http://aims.fao.org/aos/agrovoc/c_2947; Http://aims.fao.org/aos/agrovoc/c_25393; Http://aims.fao.org/aos/agrovoc/c_24027.
Ano: 2006 URL: http://hdl.handle.net/1834/1586
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Beneficio económico de la caballa (Scomber japonicus) con relación a la temperatura superficial del mar en el área de Mar del Plata. OceanDocs
Perrotta, R.G.; Hernandez, D.R..
The temperature that limits the presence of schools of Argentine chub mackerel Scomber japonicus was found to be around 19°C in the Mar del Plata area Buenos Aires prov., Argentina. At higher values, most shoals leave coastal waters in direction to the mid-shelf. An inverse relationship was observed between catches per unit of effort CPUE and sea surface temperature. The highest CPUE values corresponded to temperatures lower than 19°C. Beyond that value, the possibility of obtaining a CPUE higher than the unit is nearly null and the low standard deviation means it is unlikely to reach high CPUE values. The economic profit per minute of each daily cruise was estimated using a case study carried out with a single vessel pilot with mean structural and...
Tipo: Journal Contribution Palavras-chave: Catch/effort; Surface temperature; Fishery management; Commercial fishing; Mackerel fisheries; Fishery management; Http://aims.fao.org/aos/agrovoc/c_24026.
Ano: 2002 URL: http://hdl.handle.net/1834/2543
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Boletín Informativo OceanDocs
El presente boletín pone a consideración de todos los interesados las actividades, resoluciones y noticias que se generan mes a mes. En cada artículo se esboza un breve resumen de lo acontecido en determinada área o actividad, figurando al pie un link a la dirección de correo electrónico de contacto para el tema en cuestión. Esto no sólo acerca la noticia sino que pone a disposición de los interesados un referente institucional para cada tema a efectos de poder ampliar, a pedido, la información sobre el mismo.
Tipo: Report Palavras-chave: Commercial fishing; Fishing; Legislation; Fishery industry legislation; Fishing; Legislation; Http://aims.fao.org/aos/agrovoc/c_26950; Http://aims.fao.org/aos/agrovoc/c_4253.
Ano: 2009 URL: http://hdl.handle.net/1834/2948
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Boletín Informativo OceanDocs
El presente boletín pone a consideración de todos los interesados las actividades, resoluciones y noticias que se generan mes a mes. En cada artículo se esboza un breve resumen de lo acontecido en determinada área o actividad, figurando al pie un link a la dirección de correo electrónico de contacto para el tema en cuestión. Esto no sólo acerca la noticia sino que pone a disposición de los interesados un referente institucional para cada tema a efectos de poder ampliar, a pedido, la información sobre el mismo.
Tipo: Report Palavras-chave: Fishing; Illegal fishing; Aquaculture; Tagging; Fishing vessels; Legislation; Commercial fishing; Aquaculture; Tagging; Fishing; Fishing vessels; Legislation; Http://aims.fao.org/aos/agrovoc/c_550; Http://aims.fao.org/aos/agrovoc/c_14775; Http://aims.fao.org/aos/agrovoc/c_26950; Http://aims.fao.org/aos/agrovoc/c_2954; Http://aims.fao.org/aos/agrovoc/c_4253.
Ano: 2009 URL: http://hdl.handle.net/1834/3414
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Calamares de importancia comercial en Argentina. Biología, distribución, pesquerías y muestreo biológico OceanDocs
Brunetti, N.E.; Ivanovic, M.L.; Sakai, M..
An overview of the available information on the commercially important squid species distributed in the Argentine Sea and adjacent zones is given. It includes the most representative characteristics to identify the species and general information on their biology, distribution and fisheries. A biological sampling designis presented, with particular emphasis on the identification of sexual maturity stages. The world market of the squid resources has considerably risen in the last decades and one of the most important fishery zones is placed in the Southwest Atlantic region (Area 41, FAO), where squid represent 25. of the total landings. Illex argentinus, sustains the second fishery in volume, with landings reaching 612.000 tonnes in 1999. Other species,...
Tipo: Book Palavras-chave: Squid fisheries; Geographical distribution; Animal morphology; Sexual maturity; Biological sampling; Commercial fishing; Landing statistics; Geographical distribution; Animal morphology; Sexual maturity; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_421; Http://aims.fao.org/aos/agrovoc/c_7016.
Ano: 1999 URL: http://hdl.handle.net/1834/2336
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Circuits de distribution - commercialisation du poisson dans le sous secteur de la pêche artisanale en Mauritanie OceanDocs
Moussa, A; Nguer, A.T.; Thiam, I..
Résumé : Les résultats obtenus dans le cadre de ce travail ont permis de montrer que le produit de la pêche artisanale en Mauritanie est surtout commercialisé en frais. La transformation des produits est faite selon deux principales méthodes, le guédj (fermenté - séché) et le salé séché. Au niveau de la distribution – commercialisation, il existe deux types de circuits : les circuits courts (distribution plage – ville) et les circuits longs (distribution entre les villes). Il est à noter que la commercialisation est handicapée par le mauvais état des routes, le coût exorbitant du transport et le manque de moyens de conservation du produit frais.
Tipo: Journal Contribution Palavras-chave: Artisanal fishing; Commercial fishing; Small scale fishing.
Ano: 1996 URL: http://hdl.handle.net/1834/231
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Composición por tallas y edades de las capturas comerciales de anchoíta bonaerense obtenidas entre 1990 y 2011 OceanDocs
Hansen, J.E.; Garciarena, A.D..
As part of the research programs performed yearly at the Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP, Mar del Plata, Argentina) some important basic data about the commercial fisheries usually included in internal reports are registered. This formal paper is a review and summary of size and age composition estimates of commercial catches (discards included) of Northern Argentine anchovy (34ºS-41ºS) obtained between 1990-2011. The basic data resulting from the examination of 521 samples from fishing vessels included 62,466 fish length measurements and 26,667 valid age readings from which the corresponding 22 annual age-length keys were built. The annual estimates of the individual total length-total weight relation parameters and of...
Tipo: Journal Contribution Palavras-chave: Pelagic fisheries; Stock assessment; Commercial fishing; Catch composition; Age composition; Size distribution; Clupeoid fisheries.
Ano: 2013 URL: http://hdl.handle.net/1834/5502
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Contribution Economique et Sociale de la pêche artisanale au Sénégal OceanDocs
Dione, D.; Sy, A.B.; Ndiaye, M.S..
Programme pour des Moyens d'Existence Durables dans la Pêche en Afrique de l'Ouest. Projet Pilote 1 "Moyens d'Existence améliorés dans le secteur post-capture de la pêche artisanale" au Cameroun, en Gambie, au Sénégal et au Tchad.
Tipo: Report Palavras-chave: Artisanal fishing; Marine fisheries; Fishery resources; Fish consumption; Trade; Commercial fishing; Marine fisheries; Fishery resources; Trade; Http://aims.fao.org/aos/agrovoc/c_4611; Http://aims.fao.org/aos/agrovoc/c_2942; Http://aims.fao.org/aos/agrovoc/c_7848.
Ano: 2005 URL: http://hdl.handle.net/1834/2891
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Description de l'activité des flottilles pélagiques industrielles en 1987 dans la ZEE mauritanienne. OceanDocs
Chavance, P..
En 1987, 59 chalutiers pélagiques (62-102 m, 2000 – 3880 cv) ont opéré dans la ZEE mauritanienne. Trois pays sont représentés : l’URSS, la Roumanie et l’Allemagne de l’Est. Les captures totales atteignent 441473 tonnes dont 66,5% est pêchée par les soviétiques, 26,3% par les roumains et 7,2% par les allemands de l’Est. Les chinchards (<Trachirus sp et Decapterus rhonchus>) prédominent dans les captures avec 50,8%, les sardinelles en représentent 14,9% et la sardine 7,7%. L’activité des flottilles est apparue, comme en 1986, très marquée par les saisons hydrologiques.
Tipo: Journal Contribution Palavras-chave: Chalutiers pélagiques; Flottilles industrielles; Captures; Saisons hydrologiques; Commercial fishing; Environmental impact; Fishing effort; Fishing fleet; Pelagic fisheries; Seasonal distribution; Seasonal variations; Temperature effects; Temporal variations; Trawling; Upwelling; Environmental impact; Trawling; Fishing effort; Pelagic fisheries.
Ano: 1988 URL: http://hdl.handle.net/1834/1147
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Dinámica de la flota comercial argentina dirigida a la pesquería de merluza (Merluccius hubbsi) en el Mar Argentino. Periodo 1990-1997 OceanDocs
Dato, C.V.; Villarino, M.F.; Cañete, G.R..
Since 1990, the Argentine commercial fleet directed to hake (Merluccius hubbsi) has obtained more than 70 of catches South of 41°S while to the North of this latitude the activity concentrated between 39°S and 41°S Argentine Sea, SW Atlantic. Bearing in mind the different characteristics of ice-chilling and freezer fleets, their activities were analyzed separately. Considering the relative percentages of catches declared in fishery statistics, the dynamics of each fleet is described per quarter and year. Special reference is made to 1997 when a closed area to protect juveniles was introduced between 44°S-47°S and 62°W-65°W. The freezer fleet activity, concentrated South of 41°S, especially South of 43°S, was stable throughout the period. It grouped around...
Tipo: Journal Contribution Palavras-chave: Gadoid fisheries; Commercial fishing; Fish catch statistics; Fishing vessels statistics.
Ano: 2003 URL: http://hdl.handle.net/1834/2479
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Efectos del filtrado de datos sobre la estimación de la tendencia de los índices de abundancia de polaca (Micromesistius australis) OceanDocs
Cordo, H.D..
Catch per unit of effort (CPUE)analysis of the Argentine surimi fleet is a routine work to estimate abundance indices of southern blue whiting Micromesistius australis. Several analysis of this fishery suggest that, as of the years when intensive fishing by foreign and national fleets started, the resource has suffered a marked decline. When calculating the CPUE it is common practice to take into acount only trips and fishing operations with high catches of the target species fishing operations directed to other species are not considered to avoid underestimations. Therefore, in order to include a percentage of catch of the analyzed species higher than a subjective value, available data are filtered. However, because only operations with high yield are...
Tipo: Journal Contribution Palavras-chave: Catch/effort; Yield; Commercial fishing; Overfishing; Stock assessment; Stock assessment; Overfishing.
Ano: 2002 URL: http://hdl.handle.net/1834/1584
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El descarte en la flota comercial argentina dirigida a la pesquería de merluza. Período 1990-1997 OceanDocs
Dato, C.V.; Villarino, M.F.; Cañete, G.R..
Discards of the commercial fleet in the Argentine Sea (SW Atlantic) directed to hake Merluccius hubbsi were estimated in weight and number of individuals. The dynamics of the ice-chilling and freezer fleets per area and quarter and processes of discarding were analyzed. The estimation method was based on the comparison of landings and surveys length composition, the latter filtered by the selectivity of the mesh used by the commercial fleet to rebuild the length distribution of catches. It is concluded that discards had an annual variation of 42,000 t-148,000 t in the 1990-1997 period, which represented between 30 and 50 in weight and 11-24 in number of actual catches. The analysis of age groups affected by discards showed that over 90 corresponded to...
Tipo: Journal Contribution Palavras-chave: Gadoid fisheries; Commercial fishing; Fishing vessels statistics; Landing statistics; Factory ships; Factory ships; Http://aims.fao.org/aos/agrovoc/c_10732.
Ano: 2003 URL: http://hdl.handle.net/1834/2424
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Estimación cuantitativa del descarte en la pesquería de merluza realizado por la flota comercial argentina OceanDocs
Dato, C.V.; Bambill, G.A.; Cañete, G.R.; Villarino, M.F.; Aubone, A..
Based on the comparison between length composition of landings and that of research cruises, filtered by the selectivity of the mesh used by the commercial fleet, to rebuild length distribution of catches, an indirect quantitative method was developed and used to estimate, in weight and number, the individuals discarded by the commercial fleet south of 41° S. Discards ranged between 15,563 and 46,113 annual tons in the 1986-1993 period which represented 10-13% in weight and 28-32% in number of actual catches, composed of around 87% of individuals age group 1, 12% of age group 2 and the rest of individuals age groups 0 and 3.
Tipo: Journal Contribution Palavras-chave: Gadoid fisheries; Commercial fishing; Statistical analysis; Statistical analysis; Http://aims.fao.org/aos/agrovoc/c_7378.
Ano: 2006 URL: http://hdl.handle.net/1834/1587
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Estimación de un índice de abundancia anual estandarizado para pescadilla de red (Cynoscion guatucupa), mediante la aplicación de un modelo lineal general; período 1992-2003 OceanDocs
Ruarte, C.O.; Perrotta, R.G..
The stripped weakfish (Cynoscion guatucupa) has a wide latitudinal distribution (22° S-43° S) and it is object of fishery in Brazil, Uruguay and Argentina (SW Atlantic). In this last country, it is mainly captured in the coastal region of Buenos Aires Province by means of a fleet, which has between 20 m and 30 m length. In Argentina, the average landings in the last 5 years were 9,900 t. It is the second commercial species among the coastal groups. There are two main fishery areas of this species: the Argentinean-Uruguayan Common Fishing Zone (AUCFZ) and the El Rincón area, in the South of bonaerense littoral. Due to the importance of this species, it is necessary to define an index of annual abundance to allow a suitable diagnosis of the fishery...
Tipo: Journal Contribution Palavras-chave: Catch/effort; Size distribution; Abundance; Commercial fishing; Coastal fisheries; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2007 URL: http://hdl.handle.net/1834/2519
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Evaluación de corvina rubia (Micropogonias furnieri) en el área del Río de la Plata y Zona Común de Pesca argentino-uruguaya por medio de un modelo de dinámica de biomasa OceanDocs
Carozza, C.R.; Hernandez, D.R.; Perrotta, R.G..
Whitemouth croaker (Micropogonias furnieri)has a broad distribution along the Atlantic coast of the Americas, from Mexico to the south of the Province of Buenos Aires, Argentina. At the southern end of distribution, Argentina and Uruguay catch the species with different commercial fleet types bay or creek, coastal and off-shore and modalities of bottom trawling with doors and paired trawling. Maximum catches of both countries, that reached 60,000 t, were registered between 1995 and 1997. After that period a remarkable decrease was observed, specially in Argentina where catches remained at around 6,000 t over a total of 30,000 t for both countries. The commercial fleet was divided in three categories and the total area of study in three subareas: El Salado,...
Tipo: Journal Contribution Palavras-chave: Stock assessment; Catch/effort; Risks; Biomass; Depleted stocks; Mathematical models; Coastal fisheries; Commercial fishing; Stock assessment; Biomass; Mathematical models; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_24251; Http://aims.fao.org/aos/agrovoc/c_926; Http://aims.fao.org/aos/agrovoc/c_24199; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2004 URL: http://hdl.handle.net/1834/1503
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Evaluación del recurso abadejo y recomendaciones sobre su explotación a partir del año 2002 OceanDocs
Cordo, H.D..
Ling (Genypterus blacodes) resource was assessed by means of an age structured production model fitted with stock abundance indices from catch per unit effort data (CPUE) obtained from the commercial fishing fleet. Reproductive stock was assessed in the same way with CPUE data from the fishery research vessel. A short-term analysis of collapse risk as a function of 1999 and 2000 fishing mortalities was carried out with the results, and also a long-term analysis with the assumption of a variable fishing mortality (F) with two recruitment hypotheses. Results show that the present state of the Ling resource has worsened with respect to the last assessment. Considering the best of all cases, the Br/Kr relationship decreased from 0.55 to 0.33, indicating that...
Tipo: Journal Contribution Palavras-chave: Stock assessment; Catch/effort; Fishery management; Risks; Gadoid fisheries; Commercial fishing; Stock assessment; Fishery management; Http://aims.fao.org/aos/agrovoc/c_24251; Http://aims.fao.org/aos/agrovoc/c_24026.
Ano: 2007 URL: http://hdl.handle.net/1834/2518
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Evaluation de la qualité sensorielle et biochimique de la sardinelle ronde "Sardinella aurita" au cours du stockage dans l’eau de mer refroidie a la glace OceanDocs
Selmi, S.; Sadok, S..
Tipo: Journal Contribution Palavras-chave: Biochemical analysis; Commercial fishing; Conservation; Fish storage; Freezing storage; Histamines.
Ano: 2006 URL: http://hdl.handle.net/1834/4277
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Evolution et activité des principales flottilles industrielles démersales en Mauritanie depuis 1980 OceanDocs
Girardin, M..
L’évolution (1980-1987) des diverses flottes démersales de chalutiers essentiellement : congélateurs céphalopodiers, glaciers non spécialisés, glaciers spécialisés (merlu – crevettes) est décrite. Les données de débarquement, fragmentaires pour certaines pêcheries et/ou non encore exploitées en détail, concernent les années 1984, 1986 et 1987 pour les glaciers non spécialisés et, uniquement 1987 pour les autres flottilles. A partir de ces informations relatives à l’effort de pêche et aux débarquements, les tendances générales et les résultats de ces flottilles sont analysés.
Tipo: Journal Contribution Palavras-chave: Cephalopod fisheries; Commercial fishing; Fishery resources; Fishing effort; Fishing gear; Fishing vessels; Stock assessment; Demersal fisheries; Stock assessment; Fishery resources; Fishing effort; Fishing gear; Fishing vessels; Http://aims.fao.org/aos/agrovoc/c_24251; Http://aims.fao.org/aos/agrovoc/c_2942; Http://aims.fao.org/aos/agrovoc/c_24027; Http://aims.fao.org/aos/agrovoc/c_2946; Http://aims.fao.org/aos/agrovoc/c_2954.
Ano: 1988 URL: http://hdl.handle.net/1834/1172
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Explotación de calamar (Illex argentinus) en el Golfo San Matías. Temporada 2003 OceanDocs
Morsan, E.M.; Rodeland, H..
La explotación comercial de calamar (Illex argentinus) con poteras ha registrado su máxima captura durante la temporada 2003: 4935 tm. La misma se extendió hasta el 26 de setiembre con la presencia de 5 buques, cada uno con un observador a bordo. Las capturas diarias alcanzaron un valor máximo de 70 tm. El presente informe resume la actividad pesquera de los buques poteros en el Golfo San Matías durante la temporada de pesca de 2003 y los datos obtenidos mediante muestreos a bordo
Tipo: Report Palavras-chave: Fishery resources; Jigging; Fishing vessels statistics; Catch statistics; Commercial fishing; Cephalopod fisheries; Fishery resources; Http://aims.fao.org/aos/agrovoc/c_2942.
Ano: 2003 URL: http://hdl.handle.net/1834/3723
Registros recuperados: 43
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