Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed
The energy content and biochemical composition of seed of the mussel Mytilus galloprovincialis of two distinct origins (subtidal and rocky shore) were compared after both groups were transferred to the water column (subtidal habitat) in the Arousa Ria, NW Spain. The experimental period comprised a t...
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Iniversidad Autónoma de Baja California
2003
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| On-line přístup: | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/196 |
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biochemical composition energy content Mytilus galloprovincialis mussel seed Arousa Ria composición bioquímica contenido energético Mytilus galloprovincialis semillas de mejillón Ría de Arousa |
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biochemical composition energy content Mytilus galloprovincialis mussel seed Arousa Ria composición bioquímica contenido energético Mytilus galloprovincialis semillas de mejillón Ría de Arousa Freites, L Fernández-Reiriz, MJ Labarta, U Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
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The energy content and biochemical composition of seed of the mussel Mytilus galloprovincialis of two distinct origins (subtidal and rocky shore) were compared after both groups were transferred to the water column (subtidal habitat) in the Arousa Ria, NW Spain. The experimental period comprised a total of 228 days. The relative percentages of carbohydrates, glycogen and lipids were significantly higher in the subtidal mussels in the first 15 days, whereas the proteins were significantly higher in the rocky shore mussels during the first 36 days. A multiple regression analysis referred to the same time period showed that the origin of the mussel seed influenced significantly the variance observed in the energy values of all biochemical components (measured in terms of kJ mg–1). In the period between days 50 and 110, mussel origin only showed a significant effect on the lipid energy content, but in contrast to the previous period, the content was greater in the rocky shore mussels. The multiple regression analysis showed that after 125 days of culture, mussel origin did not influence the variance observed in the energy values of all biochemical components, whereas the ratio chlorophyll a/particulate organic material, temperature and total particulate material influenced significantly the variance observed in the different energy values of all biochemical components. Changes observed in the energy content of carbohydrates and lipids throughout the different periods of this study can be related to catabolismanabolism processes linked mainly to the availability of phytoplanktonic food. Moreover, with regard to lipids, our results suggest that changes were also associated with reproductive activity. |
| format |
info:eu-repo/semantics/article |
| author |
Freites, L Fernández-Reiriz, MJ Labarta, U |
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Freites, L Fernández-Reiriz, MJ Labarta, U |
| author_sort |
Freites, L |
| title |
Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
| title_short |
Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
| title_full |
Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
| title_fullStr |
Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
| title_full_unstemmed |
Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed |
| title_sort |
biochemical composition and energy content of the mussel mytilus galloprovincialis of subtidal and rocky shore origin: influence of enviromental variables and source of mussel seed |
| publisher |
Iniversidad Autónoma de Baja California |
| publishDate |
2003 |
| url |
https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/196 |
| _version_ |
1792608895955369984 |
| spelling |
repositorioinstitucional-20.500.12930-73672023-05-09T14:30:26Z Biochemical composition and energy content of the mussel Mytilus galloprovincialis of subtidal and rocky shore origin: Influence of enviromental variables and source of mussel seed Composición bioquímica y contenido energético del mejillón Mytilus galloprovincialis de origen submareal e intermareal: Influencia de las variables ambientales y de su origen Freites, L Fernández-Reiriz, MJ Labarta, U biochemical composition energy content Mytilus galloprovincialis mussel seed Arousa Ria composición bioquímica contenido energético Mytilus galloprovincialis semillas de mejillón Ría de Arousa The energy content and biochemical composition of seed of the mussel Mytilus galloprovincialis of two distinct origins (subtidal and rocky shore) were compared after both groups were transferred to the water column (subtidal habitat) in the Arousa Ria, NW Spain. The experimental period comprised a total of 228 days. The relative percentages of carbohydrates, glycogen and lipids were significantly higher in the subtidal mussels in the first 15 days, whereas the proteins were significantly higher in the rocky shore mussels during the first 36 days. A multiple regression analysis referred to the same time period showed that the origin of the mussel seed influenced significantly the variance observed in the energy values of all biochemical components (measured in terms of kJ mg–1). In the period between days 50 and 110, mussel origin only showed a significant effect on the lipid energy content, but in contrast to the previous period, the content was greater in the rocky shore mussels. The multiple regression analysis showed that after 125 days of culture, mussel origin did not influence the variance observed in the energy values of all biochemical components, whereas the ratio chlorophyll a/particulate organic material, temperature and total particulate material influenced significantly the variance observed in the different energy values of all biochemical components. Changes observed in the energy content of carbohydrates and lipids throughout the different periods of this study can be related to catabolismanabolism processes linked mainly to the availability of phytoplanktonic food. Moreover, with regard to lipids, our results suggest that changes were also associated with reproductive activity. Se compararon el contenido energético y la composición bioquímica de semillas del mejillón Mytilus galloprovincialis de dos orígenes distintos (submareal e intermareal), una vez que ambas semillas fueron colocadas en la columna de agua (hábitat submareal) en la Ría de Arousa, Noroeste de España. El periodo experimental comprendió un total de 228 días. Los porcentajes relativos de glucógeno y lípidos, además del de carbohidratos, fueron significativamente más altos en los mejillones de origen submareal, durante los primeros 8 y 15 días, respectivamente, mientras que en los de origen intermareal, las proteínas fueron significativamente más altas en los primeros 36 días. Durante este mismo periodo, el análisis de regresión múltiple mostró que el origen de los mejillones influyó de significativamente en la varianza observada en los valores energéticos de los diferentes componentes bioquímicos, medidos en términos de kJ mg–1. Subsecuentemente, entre el día 50 y el 110, el origen de los mejillones sigue influyendo de manera significativa en el contenido de lípidos, pero en contraste con el periodo anterior, el contenido energético de los mismos fue mayor en los mejillones de origen intermareal. A partir de los 125 días, el análisis de regresión múltiple mostró que el origen de los mejillones no influye en la varianza observada en los equivalentes energéticos de todos los componentes bioquímicos, mientras que la razón clorofila a/MPO, la temperatura y la MPT influyeron significativamente en la varianza observada en los diferentes valores energéticos de todos los componentes bioquímicos. Los cambios observados en la energía contenida en carbohidratos y lípidos, a través de los diferentes periodos de este estudio, pueden estar relacionados con los procesos de anabolismo-catabolismo, ligados a la disponibilidad del alimento fitoplanctónico. Además, con respecto a los lípidos, nuestros resultados sugieren que los cambios observados en los mismos pudieron ser influenciados por la actividad reproductiva. 2003-03-06 2021-06-03T03:55:04Z 2021-06-03T03:55:04Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/196 10.7773/cm.v29i42.196 https://hdl.handle.net/20.500.12930/7367 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/196/165 application/pdf Iniversidad Autónoma de Baja California Ciencias Marinas; Vol. 29 No. 4B (2003); 603-619 Ciencias Marinas; Vol. 29 Núm. 4B (2003); 603-619 2395-9053 0185-3880 |
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