Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)

Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)

The structure of the soft-bottom demersal fish assemblages of the continental shelf off Jalisco and Colima, Mexico, was studied in an area of 410 km2. The classification of the 32 most abundant species resulting from the cluster analysis shows eight groups (three from the inner shell; four from the...

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Autores principales: Mariscal-Romero, J, Aguilar-Palomino, B, Lucano-Kamirez, G, Raymundo-Huizar, AR, Rodriguez-Ibarra, LE, Ruiz-Ramírez, S, Gonzalez-Sanson, G
פורמט: Online
שפה:eng
יצא לאור: Iniversidad Autónoma de Baja California 1998
גישה מקוונת:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/737
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spelling oai:cienciasmarinas.com.mx:article-7372019-05-21T20:05:15Z Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995) Asociaciones de peces demersales de la plataforma continental de Colima y Jalisco, México (primavera, 1995) Mariscal-Romero, J Aguilar-Palomino, B Lucano-Kamirez, G Raymundo-Huizar, AR Rodriguez-Ibarra, LE Ruiz-Ramírez, S Gonzalez-Sanson, G demersal fishes assemblages central Mexican Pacific soft bottoms peces demersales asociaciones Pacífico central mexicano fondos blandos The structure of the soft-bottom demersal fish assemblages of the continental shelf off Jalisco and Colima, Mexico, was studied in an area of 410 km2. The classification of the 32 most abundant species resulting from the cluster analysis shows eight groups (three from the inner shell; four from the intermediate shelf and one from the slope shelf). The ordination through detrended correspondence analysis (DCA) defined seven units; the affinity and composition of these units were similar to that of the other technique. The multiple contrasts of the analysis of variance, using the depth/temperature/salinity scores, were significantly correlated with the group of stations and with the eigenvalues calculated for the species with the DCA. This confirms the presence of a bathymetric/thermic gradient and that the shallow thermocline has a segregation effect on the demersal assemblages of soft-bottom fishes. Se presenta la estructura de las asociaciones de peces demersales de fondos blandos de una superficie de 410 km2 de la plataforma continental de Jalisco y Colima; México. La clasificación de las 32 especies más abundantes, a través del análisis de agrupamiento, muestra como resultado ocho grupos (tres en la plataforma somera, cuatro en la intermedia y uno en la profunda o borde del talud), mientras que el ordenamiento, a través del análisis de correspondencia corregido (DCA), define siete unidades de composición y comportamiento similar al de la clasificación. Los contrastes múltiples del análisis de varianza, utilizando los valores de temperatura y salinidad por profundidades, se relacionan significativamente con el agrupamiento de las estaciones y con los registros de los valores propios calculados para las especies por el DCA. Todo esto confirma la presencia de un gradiente térmico/batimétrico, cuya influencia, a través de la termoclina somera del área, separa y ejerce un efecto dinámico de las asociaciones de peces demersales. Iniversidad Autónoma de Baja California 1998-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/737 10.7773/cm.v24i1.737 Ciencias Marinas; Vol. 24 No. 1 (1998); 35-54 Ciencias Marinas; Vol. 24 Núm. 1 (1998); 35-54 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/737/664
institution Ciencias Marinas
collection OJS
language eng
format Online
author Mariscal-Romero, J
Aguilar-Palomino, B
Lucano-Kamirez, G
Raymundo-Huizar, AR
Rodriguez-Ibarra, LE
Ruiz-Ramírez, S
Gonzalez-Sanson, G
spellingShingle Mariscal-Romero, J
Aguilar-Palomino, B
Lucano-Kamirez, G
Raymundo-Huizar, AR
Rodriguez-Ibarra, LE
Ruiz-Ramírez, S
Gonzalez-Sanson, G
Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
author_facet Mariscal-Romero, J
Aguilar-Palomino, B
Lucano-Kamirez, G
Raymundo-Huizar, AR
Rodriguez-Ibarra, LE
Ruiz-Ramírez, S
Gonzalez-Sanson, G
author_sort Mariscal-Romero, J
title Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
title_short Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
title_full Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
title_fullStr Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
title_full_unstemmed Demersal fish assemblages of the continental shelf off Colima and Jalisco, Mexico (spring, 1995)
title_sort demersal fish assemblages of the continental shelf off colima and jalisco, mexico (spring, 1995)
description The structure of the soft-bottom demersal fish assemblages of the continental shelf off Jalisco and Colima, Mexico, was studied in an area of 410 km2. The classification of the 32 most abundant species resulting from the cluster analysis shows eight groups (three from the inner shell; four from the intermediate shelf and one from the slope shelf). The ordination through detrended correspondence analysis (DCA) defined seven units; the affinity and composition of these units were similar to that of the other technique. The multiple contrasts of the analysis of variance, using the depth/temperature/salinity scores, were significantly correlated with the group of stations and with the eigenvalues calculated for the species with the DCA. This confirms the presence of a bathymetric/thermic gradient and that the shallow thermocline has a segregation effect on the demersal assemblages of soft-bottom fishes.
publisher Iniversidad Autónoma de Baja California
publishDate 1998
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/737
_version_ 1715724004832051200

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