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Stock Reduction Analysis of Bigeye Croaker Micropogonias megalops in the Upper Gulf of California, Mexico
RICARDO URIAS SOTOMAYOR
GUILLERMO RODRIGUEZ DOMINGUEZ
JOSE ADAN FELIX ORTIZ
GILBERTO GENARO ORTEGA LIZARRAGA
Horacio Alberto Muñoz Rubí
EUGENIO ALBERTO ARAGON NORIEGA
Acceso Abierto
Atribución-NoComercial-SinDerivadas
DOI: https://doi.org/10.3390/fishes7010015
URL: https://www.mdpi.com/2410-3888/7/1/15
ISSN: 2410-3888
bigeye croaker, Cobb–Douglas, stock reduction analysis, upper Gulf of California
"A stock reduction analysis (SRA) of bigeye croaker Micropogonias megalops was performed based on commercial catch data. SRA solutions were restricted to a 2011 bigeye croaker stock biomass estimate of 14,412 t. The viable solution indicated a reduction in stock of 73.6% from 1983 to 2020 with an initial biomass of 22,186 t. In addition, a possible effect of hyperstability of the stock was evaluated by applying different versions of the Cobb–Douglas catch function. The most probable function based on a multi-model selection procedure was the one wherein the catch does not depend on biomass and is directly proportional to the applied fishing effort of small boats (~7 m) and vessels (~24 m). This situation suggests that in a free access regime, fishing can deplete the resource until it collapses, without observing a significant reduction in its catches until the event is very close."
Multidisciplinary Digital Publishing Institute
2022
Artículo
Fishes
Inglés
Urías-Sotomayor, R.; Rodríguez-Domínguez, G.; Félix-Ortiz, J.A.; Ortega-Lizárraga, G.G.; Muñoz-Rubí, H.A.; Aragón-Noriega, E.A. Stock Reduction Analysis of Bigeye Croaker Micropogonias megalops in the Upper Gulf of California, Mexico. Fishes 2022, 7, 15. https://doi.org/10.3390/fishes7010015
PISCICULTURA
Versión publicada
publishedVersion - Versión publicada
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