Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California

Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California

The blood cockle Larkinia grandis is a commercially important resource in the Gulf of California, but little information is available on this species. In this study, the interactions between body weight (BW) and shell length (SL), height (SH), and width (SW) were evaluated in a L. grandis population...

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Autores principales: Sotelo-Gonzalez, Maria Isabel, Sepúlveda, Carlos Humberto, Sánchez-Cárdenas, Rebeca, Salcido-Guevara, Luis Antonio, García-Ulloa, Manuel, Góngora-Gómez, Andrés Martín, Hernández-Sepúlveda, Juan Antonio
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 2020
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145
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institution Ciencias Marinas
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language eng
format Online
author Sotelo-Gonzalez, Maria Isabel
Sepúlveda, Carlos Humberto
Sánchez-Cárdenas, Rebeca
Salcido-Guevara, Luis Antonio
García-Ulloa, Manuel
Góngora-Gómez, Andrés Martín
Hernández-Sepúlveda, Juan Antonio
spellingShingle Sotelo-Gonzalez, Maria Isabel
Sepúlveda, Carlos Humberto
Sánchez-Cárdenas, Rebeca
Salcido-Guevara, Luis Antonio
García-Ulloa, Manuel
Góngora-Gómez, Andrés Martín
Hernández-Sepúlveda, Juan Antonio
Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
author_facet Sotelo-Gonzalez, Maria Isabel
Sepúlveda, Carlos Humberto
Sánchez-Cárdenas, Rebeca
Salcido-Guevara, Luis Antonio
García-Ulloa, Manuel
Góngora-Gómez, Andrés Martín
Hernández-Sepúlveda, Juan Antonio
author_sort Sotelo-Gonzalez, Maria Isabel
title Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
title_short Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
title_full Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
title_fullStr Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
title_full_unstemmed Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California
title_sort shell dimension-weight relationships in the blood cockle larkinia grandis (bivalvia: arcidae) on the southeastern coast of the gulf of california
description The blood cockle Larkinia grandis is a commercially important resource in the Gulf of California, but little information is available on this species. In this study, the interactions between body weight (BW) and shell length (SL), height (SH), and width (SW) were evaluated in a L. grandis population in the Gulf of California, Mexico. Eighty cockles were hand-picked monthly from August 2017 to July 2018 near and/or under mangrove trees on the southeastern coast of the Gulf of California. The range of shell measurements (SL = 142.00–44.57 mm, SH = 85.50–31.15 mm, SW = 76.56–32.03 mm) indicates that the sampled population was dominated by adult specimens. Only the coefficient of variation for BW exhibited high dispersion (23%–45%). The potential relationships between BW and SL, SH, and SW were non-linear. The strongest interaction was found between BW and SW (R2 = 0.934), with the BW–SW relationship best describing the growth of this ark clam. All shell dimension–weight relationships were significant (P ≤ 0.05), indicating both negative (SL–SW and SH–SW) and positive (SL–SH, BW–SL, BW–SH, and BW–SW) allometric growth. The b values ranged from 0.8950, for the LogSH–LogSW relationship, to 2.6240, for the LogBW–LogSH interaction. This preliminary information is useful for developing conservation and sustainable exploitation strategies for this species, which is of economic importance to this region.
publisher Iniversidad Autónoma de Baja California
publishDate 2020
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145
_version_ 1792606985527492608
spelling oai:cienciasmarinas.com.mx:article-31452024-02-28T00:59:29Z Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California Relaciones entre la dimensión y el peso de la concha en el berberecho Larkinia grandis (Bivalvia: Arcidae) en la costa sureste del Golfo de California Sotelo-Gonzalez, Maria Isabel Sepúlveda, Carlos Humberto Sánchez-Cárdenas, Rebeca Salcido-Guevara, Luis Antonio García-Ulloa, Manuel Góngora-Gómez, Andrés Martín Hernández-Sepúlveda, Juan Antonio Morphometry mangrove cockle allometric growth coefficient of variation Gulf of California Morfometría berberecho de manglar crecimiento alométrico coeficiente de variación golfo de California The blood cockle Larkinia grandis is a commercially important resource in the Gulf of California, but little information is available on this species. In this study, the interactions between body weight (BW) and shell length (SL), height (SH), and width (SW) were evaluated in a L. grandis population in the Gulf of California, Mexico. Eighty cockles were hand-picked monthly from August 2017 to July 2018 near and/or under mangrove trees on the southeastern coast of the Gulf of California. The range of shell measurements (SL = 142.00–44.57 mm, SH = 85.50–31.15 mm, SW = 76.56–32.03 mm) indicates that the sampled population was dominated by adult specimens. Only the coefficient of variation for BW exhibited high dispersion (23%–45%). The potential relationships between BW and SL, SH, and SW were non-linear. The strongest interaction was found between BW and SW (R2 = 0.934), with the BW–SW relationship best describing the growth of this ark clam. All shell dimension–weight relationships were significant (P ≤ 0.05), indicating both negative (SL–SW and SH–SW) and positive (SL–SH, BW–SL, BW–SH, and BW–SW) allometric growth. The b values ranged from 0.8950, for the LogSH–LogSW relationship, to 2.6240, for the LogBW–LogSH interaction. This preliminary information is useful for developing conservation and sustainable exploitation strategies for this species, which is of economic importance to this region. El berberecho Larkinia grandis es un recurso comercialmente importante en el golfo de California, pero hay poca información disponible acerca de esta especie. En este estudio, se evaluaron las interacciones entre el peso corporal (BW) y la longitud (SL), la altura (SH) y el ancho (SW) de la concha en una población de L. grandis en el golfo de California, México. Se recolectaron a mano 80 berberechos mensualmente, desde agosto de 2017 hasta julio de 2018, de cerca y/o debajo de los árboles de mangle, en la costa sureste del golfo de California. El intervalo de medidas de las conchas (SL = 142.00–44.57 mm, SH = 85.50–31.15 mm, SW = 76.56–32.03 mm) indica que la población muestreada estaba dominada por especímenes adultos. Solo el coeficiente de variación para BW exhibió alta dispersión (23%–45%). Las relaciones potenciales de BW con SL, SH y SW no fueron lineales. La interacción más fuerte se encontró entre BW y SW (R2 = 0.934); la relación BW– SW describió mejor el crecimiento de este árcido. Todas las relaciones entre la dimensión y el peso de la concha fueron significativas (P ≤ 0.05), lo cual indica tanto crecimiento alométrico negativo (SL–SW y SH–SW) como positivo (SL–SH, BW–SL, BW–SH y BW–SW). Los valores de b oscilaron entre 0.8950, para la relación LogSH–LogSW, y 2.6240, para la interacción LogBW–LogSH. Esta información preliminar es útil para desarrollar estrategias de conservación y explotación sostenible para esta especie de importancia económica en la región estudiada. Iniversidad Autónoma de Baja California 2020-09-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed research note Nota de investigación arbitrada application/pdf text/xml text/xml https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145 10.7773/cm.v46i3.3145 Ciencias Marinas; Vol. 46 No. 3 (2020); 185–192 Ciencias Marinas; Vol. 46 Núm. 3 (2020); 185–192 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145/420420507 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145/420420958 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3145/420420663 Copyright (c) 2020 Ciencias Marinas https://creativecommons.org/licenses/by/4.0

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