Population parameters of 'corvina' (Plagioscion squamosissimus) in the Barra Bonita Reservoir, Brazil

Braga, F.M.de S. (1998) Population parameters of 'corvina' (Plagioscion squamosissimus) in the Barra Bonita Reservoir, Brazil. Naga, the ICLARM Quarterly, 21(2), pp. 43-45.

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Abstract

Estimates for the growth parameters (L sub( infinity ) and K) mortality coefficients (Z,M and F) and exploitation rate (E) for the sciaenid Plagioscion squamosissimus are presented. The following results were obtained: 1) for male: L sub( arrow right )=44.2 cm, K=0.30 yr super(1), Z=0.82 yr super(1), M=0.66 yr super(1), F=0.16 yr super(1), and E=0.20; and 2) for females: L sub( arrow right )=68.4, K=0.22 yr super(1), Z=0.91 yr super(1), M=0.47 yr super(1), F=0.44 yr super(1) and E=0.49. Females are more heavily fished than males. Artisanal fishing carried out with gillnets, is mainly directed toward the young section of the population and individuals reproducing for the first time.

Item Type: Article
Title: Population parameters of 'corvina' (Plagioscion squamosissimus) in the Barra Bonita Reservoir, Brazil
Personal Creator/Author:
CreatorsEmail
Braga, F.M.de S.
Journal or Publication Title: Naga, the ICLARM Quarterly
Volume: 21
Number: 2
Page Range: pp. 43-45
Date: 1998
ISSN: 0116-290X
Issuing Agency: WorldFish Center
Uncontrolled Keywords: Population structure; Growth; Mortality; Size distribution; Exploitation; Stock assessment; Reservoir fisheries; Barra Bonita; Brazil; Plagioscion squamosissimus
Subjects: Fisheries
Item ID: 9154
Depositing User: Mr William Ko
Date Deposited: 27 Nov 2012 14:55
Last Modified: 27 Nov 2012 14:55
URI: http://aquaticcommons.org/id/eprint/9154

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