Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México

Red snapper (Lutjanus peru) fishery was analyzed from landings and catch records. Stock age structure was reconstructed after the parameter values of the von Bertalanffy growth model, the length-weight relationship, ages and the natural mortality coefficient through each of nine years of cateh recor...

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Autores principales:	Santamaría, Apolinar, Chávez, Ernesto A
Formato:	Online
Idioma:	spa
Publicado:	Universidad de Costa Rica 1999
Acceso en línea:	https://revistas.ucr.ac.cr/index.php/rbt/article/view/19208

id	RBT19208
record_format	ojs
spelling	RBT192082022-05-25T21:18:11Z Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México Santamaría, Apolinar Chávez, Ernesto A Red snapper (Lutjanus peru) fishery was analyzed from landings and catch records. Stock age structure was reconstructed after the parameter values of the von Bertalanffy growth model, the length-weight relationship, ages and the natural mortality coefficient through each of nine years of cateh records. The Pisat software package was applied to assess population parameters, whose estimates are, for the von Bertalanffy growth model, K = 0. 1 442 to 0.38; lo = -0.2; L = 87 cm; W = 9.4 Kg, and the natural mortality coefficient (M) afier several methods (0. 14 to 0.38). Cohort size was assessed by the virtual population analysis (VPA), estlmating population size in 5.2* 1 06 fish with a biomass of 8 454 tonnes. Current fishing mortality P, ranges from 0.06 to 1 . 1 3, depending upon the chosen M value; according to this, when the M value used is low, the results suggest that the stock is nnderexploited, and vice versa. The yield per recruit model applied suggests improvements to the management strategy. The model indicates recruit overfishing because very small fish are the main target (te Red snapper (Lutjanus peru) fishery was analyzed from landings and catch records. Stock age structure was reconstructed after the parameter values of the von Bertalanffy growth model, the length-weight relationship, ages and the natural mortality coefficient through each of nine years of cateh records. The Pisat software package was applied to assess population parameters, whose estimates are, for the von Bertalanffy growth model, K = 0. 1 442 to 0.38; lo = -0.2; L = 87 cm; W = 9.4 Kg, and the natural mortality coefficient (M) afier several methods (0. 14 to 0.38). Cohort size was assessed by the virtual population analysis (VPA), estlmating population size in 5.2* 1 06 fish with a biomass of 8 454 tonnes. Current fishing mortality P, ranges from 0.06 to 1 . 1 3, depending upon the chosen M value; according to this, when the M value used is low, the results suggest that the stock is nnderexploited, and vice versa. The yield per recruit model applied suggests improvements to the management strategy. The model indicates recruit overfishing because very small fish are the main target (te Universidad de Costa Rica 1999-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf https://revistas.ucr.ac.cr/index.php/rbt/article/view/19208 10.15517/rbt.v47i3.19208 Revista de Biología Tropical; Vol. 47 No. 3 (1999): Volume 47 – Regular number 3 – September 1999; 571–580 Revista de Biología Tropical; Vol. 47 Núm. 3 (1999): Volumen 47 – Volumen regular 3 – Setiembre 1999; 571–580 Revista Biología Tropical; Vol. 47 N.º 3 (1999): Volume 47 – Regular number 3 – September 1999; 571–580 2215-2075 0034-7744 spa https://revistas.ucr.ac.cr/index.php/rbt/article/view/19208/19274 Copyright (c) 1999 Revista de Biología Tropical http://creativecommons.org/licenses/by/4.0
institution	Universidad de Costa Rica
collection	Revista de Biología Tropical
language	spa
format	Online
author	Santamaría, Apolinar Chávez, Ernesto A
spellingShingle	Santamaría, Apolinar Chávez, Ernesto A Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
author_facet	Santamaría, Apolinar Chávez, Ernesto A
author_sort	Santamaría, Apolinar
description	Red snapper (Lutjanus peru) fishery was analyzed from landings and catch records. Stock age structure was reconstructed after the parameter values of the von Bertalanffy growth model, the length-weight relationship, ages and the natural mortality coefficient through each of nine years of cateh records. The Pisat software package was applied to assess population parameters, whose estimates are, for the von Bertalanffy growth model, K = 0. 1 442 to 0.38; lo = -0.2; L = 87 cm; W = 9.4 Kg, and the natural mortality coefficient (M) afier several methods (0. 14 to 0.38). Cohort size was assessed by the virtual population analysis (VPA), estlmating population size in 5.2* 1 06 fish with a biomass of 8 454 tonnes. Current fishing mortality P, ranges from 0.06 to 1 . 1 3, depending upon the chosen M value; according to this, when the M value used is low, the results suggest that the stock is nnderexploited, and vice versa. The yield per recruit model applied suggests improvements to the management strategy. The model indicates recruit overfishing because very small fish are the main target (te
title	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
title_short	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
title_full	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
title_fullStr	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
title_full_unstemmed	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
title_sort	evaluación de la pesquería de lutjanus peru (pisces: lutjanidae) de . guerrero, méxico
title_alt	Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México
publisher	Universidad de Costa Rica
publishDate	1999
url	https://revistas.ucr.ac.cr/index.php/rbt/article/view/19208
work_keys_str_mv	AT santamariaapolinar evaluaciondelapesqueriadelutjanusperupisceslutjanidaedeguerreromexico AT chavezernestoa evaluaciondelapesqueriadelutjanusperupisceslutjanidaedeguerreromexico
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Evaluación de la pesquería de Lutjanus peru (Pisces: Lutjanidae) de . Guerrero, México

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