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  • 1
    Publication Date: 2021-05-19
    Description: Patagonian smoothhound (Mustelus schmitti) is one of the predominant cartilaginous fishes of the Argentine Sea (SW Atlantic Ocean). It is caught, mainly, in the coastal multispecific fishery with nearly other 30 bony and cartilaginous species. The group is known as ‘variado costero’. In this work the smoothhound abundance indices (CPUE) and standardized efforts for the 1992-2008 period in the area between 34~’S-42~’S were estimated. The General Lineal Model (GLM) and data derived from the argentine commercial fleet were used. Other aspects that could affect estimates and trends of the annual indices were also analyzed. Mean CPUE values estimated with the GLM, considered as annual standardized abundance indices, show an increasing trend as of 2000; the highest relative levels correspond to the last three years of the study period
    Description: El gatuzo (Mustelus schmitti) es una de las especies de peces cartilaginosos predominante en el Mar Argentino que se captura, esencialmente, en la pesquería costera multiespecífica que integran alrededor de 30 especies de peces óseos y cartilaginosos. Al grupo se lo conoce como “variado costero”. En el presente trabajo se estimaron los índices de abundancia (captura por unidad de esfuerzo -CPUE) y esfuerzos estandarizados de la pesquería de gatuzo durante el período 1992-2008 en el área comprendida entre los 34° S-42° S. Se utilizó el Modelo Lineal General (MLG) y datos provenientes de la flota comercial. Se analizaron, además, otros aspectos que podrían afectar las estimaciones y tendencias de los índices anuales. Los valores medios de CPUE estimados con el MLG, considerados índices de abundancia anuales estandarizados, evidencian una tendencia creciente a partir del año 2000; los mayores niveles relativos corresponden a los tres últimos años del período de estudio
    Description: Published
    Description: abundancia
    Description: pesquería costera
    Description: captura/esfuerzo
    Description: análisis estadístico
    Description: gatuzo
    Description: Mustelus schmitti
    Description: condrictios
    Keywords: Mustelus schmitti ; marine environment ; Abundance ; Catch/effort ; Coastal fisheries ; Statistical analysis
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
    Format: issue:79 p.41 pp
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  • 2
    Publication Date: 2021-05-19
    Description: El presente estudio corresponde al levantamiento y análisis de la información biológica-pesquera de la temporada 2010 y la actualización de los indicadores históricos de la pesquería demersal austral (PDA) basada en las especies objetivo merluza del sur (Merluccius australis), congrio dorado (Genypterus blacodes), merluza de tres aletas (Micromesistius australis) y raya volantín (Zearaja chilensis) como también las especies secundarias como cojinoba moteada (Seriolella punctata) y cojinaba ploma (Seriolella punctata) y cojinoba ploma (Seriolelella caerulea). El área de operación de la flota comprende entre las latitudes 37° y 57°S, estableciendo para fines de administración pesquera una zona norte (41°28,6’-47°00’S) y una zona sur (47°01’-57°S) en aguas exteriores (Al oeste de la línea de base recta)
    Description: The present study is to survey and analysis of biological data and fishery of the 2010 season and updating the historical indicators of austral demersal fisheries (PDA) based on the target species in southern hake (Merluccius australis), golden eel (Genypterus blacodes) Southern blue whiting (Micromesistius australis) and kite line (Zearaja chilensis) as well as secondary species such as spotted warehou (Seriolella punctata) and Heermann cushions (Seriolella punctata) and Heermann warehou (Seriolelella caerulea). The area of ​​operation of the fleet between latitudes 37° and 57° S, for administration by establishing a northern fishing (41° 28.6 ’-47° 00’S) and south (47° 01’-57° S) in offshore waters (west of the straight baseline)
    Description: Unpublished
    Keywords: Merluccius australis ; Micromesistius australis ; Zearaja chilensis ; Seriolella caerulea ; Genypterus blacodes ; marine environment ; Benthic environment ; Pelagic fisheries ; Stock assessment ; Trap fishing ; Bathymetric data ; Biomass ; Age determination ; Size-at-age ; Length-weight relationships ; Spawning ; Salinity ; Recruitment
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: 193pp. & Anexos
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  • 3
    Publication Date: 2021-05-19
    Description: Unpublished
    Keywords: Engraulis ringens ; Scomber japonicus ; marine environment ; Pelagic fisheries ; Stock assessment ; Trap fishing ; Bathymetric data ; Age determination ; Size-at-age
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: .265pp. & Anexos
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