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  • 1
    Publication Date: 2021-05-19
    Description: The activity of fishing fleets for hake Merluccius hubbsi south of 41°S Argentine Sea, SW Atlantic, is described. In order to establish the standard group of vessels, density indices derived from research cruises and ice-chilling fleets were related. Group four 1,400-1,800 HP related better to the abundance trend. Also, two series of indices associated to different fractions of the population were estimated: juveniles age 2) and adults age 3-5. Finally, a total catch per unit effort CPUE for the region south of 41°S, which showed a declining trend during the period considered 1991-1997, was calculated.
    Description: En: Tringali, L.S.; Bezzi, S.I.; eds.Aportes para la evaluación del recurso merluza (Merluccius hubbsi) al sur de los 41°S. Año 1999.
    Description: Published
    Description: Merlucciidae, Merluccius hubbsi, merluza
    Keywords: Commercial fishing ; Gadoid fisheries ; Catch/effort ; Abundance ; Fishing vessels statistics
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 2
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    Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero
    Publication Date: 2021-05-19
    Description: An abundance index of hake Merluccius hubbsi individuals age 2 was estimated in the nursery area south of 41°S Argentine Sea, SW Atlantic. The analysis comprised the 1995-1998 period and was made with data derived from research surveys programmed to that end. A mean value estimator of CPUE catch in number of individuals per trawl hour based on delta distribution was used. The spatial distribution of CPUE of age groups 1 and 2 in the area surveyed, total length distribution per survey and the corresponding age composition are presented. The declining trend of abundance index of hake age 2 observed during the four year period amounted to 52.9.
    Description: En: Tringali, L.S.; Bezzi, S.I.; eds.Aportes para la evaluación del recurso merluza (Merluccius hubbsi) al sur de los 41°S. Año 1999.
    Description: Published
    Description: Merlucciidae, Merluccius hubbsi, merluza
    Keywords: Stock assessment ; Nursery grounds ; Juveniles ; Nursery grounds ; Juveniles ; Abundance ; Stock assessment ; Gadoid fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution
    Location Call Number Expected Availability
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