Estudios de distribución de la anchoíta (Engraulis anchoita)en un área de extensión reducida. I. Densidades mínimas de muestreo para la estimación de algunos parámetros poblacionales
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Date
1986
Metadatos
Mostrar el registro completo del ítemAlternative Title
Studies on distribution of the anchovy (Engraulis anchoita)within a small area. I: Sampling effort required to estimate some population parametersAbstract
Results of a research cruise carried out to estimate some biological parameters of anchovy (Engraulis anchoita), during the major spawning season, were analyzed in order to determine the minimum number of samples required to obtain unbiased values. Twelve samples of fishes were taken within an area of 607 nm². Size (total length)distributions, slope of the length-weight relationship, sex ratio and age population structure were considered. Results suggest that those parameters should be estimated by eight or more samples (corresponding to 76 nm² each).Journal
Revista de Investigación y Desarrollo PesqueroVolume
5Publisher or University
Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)Colecciones