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Comparison of two methods to determine the maturity period in penaeid shrimps (Decapoda, Penaeidae)

Comparison of two methods to determine the maturity period in penaeid shrimps (Decapoda, Penaeidae) COMPARISON OF TWO METHODS TO DETERMINE THE MATURITY PERIOD IN PENAEID SHRIMPS (DECAPODA, PENAEIDAE) BY E. ALBERTO ARAGÓN-NORIEGA 1,3 ) and ALMA R. GARCÍA-JUÁREZ 2,4 ) 1 ) Centro de Investigaciones Biológicas del Noroeste, Unidad Sonora, Km 2.35 Camino al Tular, Estero Bacochibampo, Guaymas, Sonora 85454, Mexico 2 ) Instituto Nacional de la Pesca, Centro Regional de Investigación Pesquera de Guaymas, Calle 20 No 605 Sur, Colonia Cantera, Guaymas, Sonora 85400, Mexico ABSTRACT Most studies of the reproductive period of shrimps are based on the percentage of mature females (PMF). The objective of this work was to determine the reproductive period of penaeid shrimp by applying an egg production index (EPI), combining fecundity, size structure, and density of mature females. We also intended to make a comparison with the PMF method. The months of maximum maturity obtained with PMF did not match those of the actual maximum egg production period. This is because PMF does not take into account the abundance, but rather the proportion of mature females. It is concluded that, in order to define the period of maturity of penaeid shrimp, we need at least three indices (fecundity, size structure, and density of mature females) as proposed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Comparison of two methods to determine the maturity period in penaeid shrimps (Decapoda, Penaeidae)

Aragón-Noriega, E. Alberto; García-Juárez, Alma
Crustaceana , Volume 80 (5): 9 – Jan 1, 2007
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216X
eISSN
1568-5403
DOI
10.1163/156854007780765579
Publisher site
See Article on Publisher Site

Abstract

COMPARISON OF TWO METHODS TO DETERMINE THE MATURITY PERIOD IN PENAEID SHRIMPS (DECAPODA, PENAEIDAE) BY E. ALBERTO ARAGÓN-NORIEGA 1,3 ) and ALMA R. GARCÍA-JUÁREZ 2,4 ) 1 ) Centro de Investigaciones Biológicas del Noroeste, Unidad Sonora, Km 2.35 Camino al Tular, Estero Bacochibampo, Guaymas, Sonora 85454, Mexico 2 ) Instituto Nacional de la Pesca, Centro Regional de Investigación Pesquera de Guaymas, Calle 20 No 605 Sur, Colonia Cantera, Guaymas, Sonora 85400, Mexico ABSTRACT Most studies of the reproductive period of shrimps are based on the percentage of mature females (PMF). The objective of this work was to determine the reproductive period of penaeid shrimp by applying an egg production index (EPI), combining fecundity, size structure, and density of mature females. We also intended to make a comparison with the PMF method. The months of maximum maturity obtained with PMF did not match those of the actual maximum egg production period. This is because PMF does not take into account the abundance, but rather the proportion of mature females. It is concluded that, in order to define the period of maturity of penaeid shrimp, we need at least three indices (fecundity, size structure, and density of mature females) as proposed

Journal

Crustaceana – Brill

Published: Jan 1, 2007

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