Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico

Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico

Climate and oceanic conditions determine the Pacific hake (Merluccius productus) distribution pattern. The present work aimed to identify the spatiotemporal relationship between the distribution and abundance of Pacific hake and the environment in the Gulf of California. Information obtained from 6...

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Autores principales: Alvarez-Trasviña, Eduardo, Arizmendi-Rodríguez, Dana I, Marín-Enríquez, Emigdio, Salcido-Guevara, Luis A, Sánchez-Cárdenas, Rebeca, Rodríguez-Domínguez, Guillermo
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Publicado: Iniversidad Autónoma de Baja California 2022
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256
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spelling oai:cienciasmarinas.com.mx:article-32562023-12-20T18:14:48Z Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico Distribución y abundancia de la merluza del Pacífico, Merluccius productus, y su relación con el ambiente en el golfo de California, México Alvarez-Trasviña, Eduardo Arizmendi-Rodríguez, Dana I Marín-Enríquez, Emigdio Salcido-Guevara, Luis A Sánchez-Cárdenas, Rebeca Rodríguez-Domínguez, Guillermo Gulf of California bottom temperature depth research cruises generalized additive models Golfo de California Temperatura de fondo Profundidad Cruceros de Investigación Modelos Aditivos Generalizados Climate and oceanic conditions determine the Pacific hake (Merluccius productus) distribution pattern. The present work aimed to identify the spatiotemporal relationship between the distribution and abundance of Pacific hake and the environment in the Gulf of California. Information obtained from 6 research cruises carried out between 2014 and 2019 was analyzed. The results showed that the Gulf of California hake reaches a total length of 105 cm, exhibiting sexual dimorphism at total lengths >73 cm. The highest resource biomass (68,260.37 t) was found in February 2019 at depths between 200 and 300 m and the lowest was found in October 2016 (6,917.80 t) at depths between 100 and 150 m. These centers of abundance were located at bottom temperatures between 13 and 14 °C, north of Ángel de la Guarda Island and between the great islands (Tiburón Island and Ángel de la Guarda Island). After adjusting generalized additive models between seasonal hake catches and different environmental, spatial, and temporal variables, bottom temperature was found to be the variable that best described these centers of abundance. Las condiciones climáticas y oceánicas determinan el patrón de distribución de la merluza del Pacífico (Merluccius productus). El presente trabajo tuvo como objetivo conocer la relación espaciotemporal entre la distribución y la abundancia de la merluza del Pacífico y el ambiente en el golfo de California. Se analizó la información obtenida de 6 cruceros de investigación realizados entre 2014 y 2019. Los resultados mostraron que la merluza del golfo de California alcanza tallas de 105 cm de longitud total y presenta dimorfismo sexual a tallas >73 cm de longitud total. La mayor biomasa del recurso (68,260.37 t) se encontró en febrero de 2019 entre los 200 y 300 m de profundidad, y la menor, en octubre de 2016 (6,917.80 t) a profundidades de 100–150 m. Los centros de abundancia se localizaron a temperaturas de fondo de entre 13 y 14 °C, al norte de la isla Ángel de la Guarda y entre las grandes islas (isla Tiburón e isla Ángel de la Guarda). Al ajustar modelos aditivos generalizados entre las capturas de merluza de cada estación y distintas variables ambientales, espaciales y temporales, se encontró que la temperatura de fondo fue la variable que mejor describió estos centros de abundancia. Iniversidad Autónoma de Baja California 2022-05-27 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf text/xml text/xml https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256 10.7773/cm.y2022.3256 Ciencias Marinas; Vol. 48 (2022) Ciencias Marinas; Vol. 48 (2022) 2395-9053 0185-3880 eng spa https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256/420420686 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256/420420915 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256/420420916 Copyright (c) 2022 Eduardo Alvarez-Trasviña, Dana I Arizmendi-Rodríguez, Emigdio Marín-Enríquez, Luis A Salcido-Guevara, Rebeca Sánchez-Cárdenas, Guillermo Rodríguez-Domínguez https://creativecommons.org/licenses/by/4.0
institution Ciencias Marinas
collection OJS
language eng
spa
format Online
author Alvarez-Trasviña, Eduardo
Arizmendi-Rodríguez, Dana I
Marín-Enríquez, Emigdio
Salcido-Guevara, Luis A
Sánchez-Cárdenas, Rebeca
Rodríguez-Domínguez, Guillermo
spellingShingle Alvarez-Trasviña, Eduardo
Arizmendi-Rodríguez, Dana I
Marín-Enríquez, Emigdio
Salcido-Guevara, Luis A
Sánchez-Cárdenas, Rebeca
Rodríguez-Domínguez, Guillermo
Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
author_facet Alvarez-Trasviña, Eduardo
Arizmendi-Rodríguez, Dana I
Marín-Enríquez, Emigdio
Salcido-Guevara, Luis A
Sánchez-Cárdenas, Rebeca
Rodríguez-Domínguez, Guillermo
author_sort Alvarez-Trasviña, Eduardo
title Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
title_short Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
title_full Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
title_fullStr Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
title_full_unstemmed Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico
title_sort distribution and abundance of the pacific hake, merluccius productus, and relationship with the environment in the gulf of california, mexico
description Climate and oceanic conditions determine the Pacific hake (Merluccius productus) distribution pattern. The present work aimed to identify the spatiotemporal relationship between the distribution and abundance of Pacific hake and the environment in the Gulf of California. Information obtained from 6 research cruises carried out between 2014 and 2019 was analyzed. The results showed that the Gulf of California hake reaches a total length of 105 cm, exhibiting sexual dimorphism at total lengths >73 cm. The highest resource biomass (68,260.37 t) was found in February 2019 at depths between 200 and 300 m and the lowest was found in October 2016 (6,917.80 t) at depths between 100 and 150 m. These centers of abundance were located at bottom temperatures between 13 and 14 °C, north of Ángel de la Guarda Island and between the great islands (Tiburón Island and Ángel de la Guarda Island). After adjusting generalized additive models between seasonal hake catches and different environmental, spatial, and temporal variables, bottom temperature was found to be the variable that best described these centers of abundance.
publisher Iniversidad Autónoma de Baja California
publishDate 2022
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3256
_version_ 1792095477233090560

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