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Please use this identifier to cite or link to this item: http://hdl.handle.net/1834/2422

Title: Relación largo-peso y largo-edad de primera madurez sexual de la merluza
Other Titles: Length-weight relation of hake at first sexual maturity
Authors: Simonazzi, M.
ASFA Terms: Length-weight relationships
Sexual maturity
Age at recruitment
Issue Date: 2003
Publisher: Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero
Citation: INIDEP informe técnico, 51. p. 11-26
Abstract: Estimations were made on the basis of a subsample of 6,734 individuals of Merluccius hubbsi from the Argentine Sea south of 41°S. Length-weight relation potential regression parameters were a=0.00950863, 0.01093448 and 0.01096117b=2.90831652, 2.86558431 and 2.86583191 for males, females and total individuals, respectively. The Newton algorithm was used to minimize the residuals. Maturity ogives were estimated with the logistic model adjusted by no lineal minimum quadratic ordinates. Length at first maturity at 50 was 33.79 cm for males and 35.38 cm for females. Age at first maturity estimated with the same model adjusted to the time elapsed from birth to catching was 2.61 and 2.67 years for males and females, respectively. Good fitting in all regressions was obtained.
URI: http://hdl.handle.net/1834/2422
ISSN: 0327-9642
Appears in Collections:2. INIDEP Informe Técnico

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