Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas
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Redalyc · Ciencias Marinas
As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, P...
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| Pubblicato in: | Ciencias Marinas |
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidad Autónoma de Baja California
2013
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| _version_ | 1878325300054458368 |
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| author | Diana Szteren |
| author_facet | Diana Szteren |
| collection | Ciencias Marinas |
| container_title | Ciencias Marinas |
| contents | Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Diana Szteren David Aurioles-Gamboa Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 g g–1) and Zn (60.78 g g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California. 2013 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48028289007 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.39 |
| ctrlnum | oai:cienciasmarinas.com.mx:article/2268 10.7773/cm.v39i3.2268 |
| description | As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 µg g–1) and Zn (60.78 µg g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California.
Como depredador tope, el lobo marino de California (Zalophus californianus) puede ser utilizado como especie centinela para registrar condiciones ecosistémicas por los elementos traza que bioacumula y que son biomagnificados en las redes tróficas. Se midió la concentración de 11 elementos traza (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se y Zn) en los cráneos de lobo marino de California de cuatro regiones del golfo de California: Golfo Norte, Ángel de la Guarda, Golfo Central y Golfo Sur. Los objetivos del estudio fueron (1) determinar y comparar la concentración de elementos traza entre las cuatro regiones, y (2) estimar el estado de polución de cada región usando los elementos traza más tóxicos. Los elementos encontrados en mayor concentración en hueso de lobo marino fueron Al (media global: 73.70 µg g–1) y Zn (60.78 µg g–1). Sólo las concentraciones de As y Hg mostraron diferencias significativas entre regiones. El As fue más alto en la región Golfo Central que en Ángel de la Guarda y en Golfo Norte, mientras que el Hg fue más alto en la región Golfo Norte y Ángel de la Guarda que en Golfo Central y Golfo Sur. El análisis comparativo del estado de polución en cada región indicó que la región Golfo Central fue la más afectada por As y Cd, y las regiones Golfo Norte y Ángel de la Guarda por Hg. Las regiones con diferentes concentraciones de elementos traza podrían reflejar diferencias en los hábitos alimentarios y condiciones oceanográficas, y son congruentes con otros patrones regionales sugeridos para el golfo de California. |
| format | Artículo científico |
| id | redalyc_48028289007 |
| institution | Redalyc Ciencias Marinas |
| language | en |
| publishDate | 2013 |
| publisher | Universidad Autónoma de Baja California |
| spelling | Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Elementos traza en hueso de Zalophus californianus en el golfo de California: Una evaluación comparativa de áreas potencialmente contaminadas Szteren, Diana Aurioles-Gamboa, David As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 µg g–1) and Zn (60.78 µg g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California. Como depredador tope, el lobo marino de California (Zalophus californianus) puede ser utilizado como especie centinela para registrar condiciones ecosistémicas por los elementos traza que bioacumula y que son biomagnificados en las redes tróficas. Se midió la concentración de 11 elementos traza (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se y Zn) en los cráneos de lobo marino de California de cuatro regiones del golfo de California: Golfo Norte, Ángel de la Guarda, Golfo Central y Golfo Sur. Los objetivos del estudio fueron (1) determinar y comparar la concentración de elementos traza entre las cuatro regiones, y (2) estimar el estado de polución de cada región usando los elementos traza más tóxicos. Los elementos encontrados en mayor concentración en hueso de lobo marino fueron Al (media global: 73.70 µg g–1) y Zn (60.78 µg g–1). Sólo las concentraciones de As y Hg mostraron diferencias significativas entre regiones. El As fue más alto en la región Golfo Central que en Ángel de la Guarda y en Golfo Norte, mientras que el Hg fue más alto en la región Golfo Norte y Ángel de la Guarda que en Golfo Central y Golfo Sur. El análisis comparativo del estado de polución en cada región indicó que la región Golfo Central fue la más afectada por As y Cd, y las regiones Golfo Norte y Ángel de la Guarda por Hg. Las regiones con diferentes concentraciones de elementos traza podrían reflejar diferencias en los hábitos alimentarios y condiciones oceanográficas, y son congruentes con otros patrones regionales sugeridos para el golfo de California. Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas 2013-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2268 10.7773/cm.v39i3.2268 Ciencias Marinas; Vol. 39 No. 3 (2013); 303-315 Ciencias Marinas; Vol. 39 Núm. 3 (2013); 303-315 2395-9053 0185-3880 eng https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2268/1448 ['Redalyc'] redalyc_48028289007 Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas ['Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas', 'Diana Szteren', 'Ciencias de la Tierra', 'bone', 'trace elements', 'geographic pattern', 'Gulf of California', 'California sea lion', 'Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Diana Szteren David Aurioles-Gamboa Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 \uf06dg g–1) and Zn (60.78 \uf06dg g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California. 2013 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48028289007 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.39'] ['Diana Szteren'] ['Diana Szteren'] ['Artículo científico'] ['2013'] ['Universidad Autónoma de Baja California'] ['en'] ['Ciencias de la Tierra', 'bone', 'trace elements', 'geographic pattern', 'Gulf of California', 'California sea lion'] ['https://www.redalyc.org/articulo.oa?id=48028289007'] ['Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Diana Szteren David Aurioles-Gamboa Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 \uf06dg g–1) and Zn (60.78 \uf06dg g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California. 2013 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48028289007 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.39'] |
| spellingShingle | Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Diana Szteren Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas Diana Szteren David Aurioles-Gamboa Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion As a top predator, California sea lions (Zalophus californianus) can be used as sentinels to record ecosystem conditions because of the trace metals that bioaccumulate in their tissues and are biomagnified in the trophic webs. The concentration of 11 trace elements (Al, As, Cd, Co, Cu, Fe, Hg, Ni, Pb, Se, and Zn) was measured in California sea lion skulls from four regions of the Gulf of California (Mexico): Northern Gulf, Ángel de la Guarda, Central Gulf, and Southern Gulf. The aims of this study were (1) to determine and compare the mean concentration of trace elements among the four regions, and (2) to estimate the pollution situation of each region using the more toxic trace elements. The elements found in higher concentration in sea lion bone were Al (overall mean of 73.70 g g–1) and Zn (60.78 g g–1). Only the concentration of As and Hg showed significant differences among regions: As was higher in the Central Gulf than in Ángel de la Guarda and the Northern Gulf, while Hg was higher in the Northern Gulf and Ángel de la Guarda than in the Central and Southern Gulf. The comparative analysis of the pollution situation indicated that the Central Gulf was the most affected by As and Cd, and the Northern Gulf and Ángel de la Guarda by Hg. Regions with different trace element concentrations may reflect different feeding habits and oceanographic conditions, and are congruent with other regional patterns suggested for the Gulf of California. 2013 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48028289007 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.39 |
| title | Trace elements in bone of Zalophus californianus from the Gulf of California: A comparative assessment of potentially polluted areas |
| title_alt | Elementos traza en hueso de Zalophus californianus en el golfo de California: Una evaluación comparativa de áreas potencialmente contaminadas |
| topic | Ciencias de la Tierra bone trace elements geographic pattern Gulf of California California sea lion |
| url | https://www.redalyc.org/articulo.oa?id=48028289007 https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2268 |