Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator
In order to study the short-term temporal variability of the concentration of Ag, Cd and Cu in Mytilus californianus and to determine the effectiveness of this organism as a bioindicator of these metals, 11 simultaneous samplings (every other day) were conducted from 24 August to 23 September 1995 a...
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Iniversidad Autónoma de Baja California
2001
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| Sarrera elektronikoa: | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/457 |
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oai:cienciasmarinas.com.mx:article-4572019-05-09T20:10:53Z Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator Variabilidad temporal de corto periodo de Ag, Cd y Cu en Mytilus californianus y la efectividad de este organismo como biomonitor Gutiérrez-Galindo, EA Muñoz-Barbosa, A Mytilus californianus heavy metals pollution biomonitor Baja California (Mexico) Mytilus californianus metales pesados contaminación biomonitos Baja California (México) In order to study the short-term temporal variability of the concentration of Ag, Cd and Cu in Mytilus californianus and to determine the effectiveness of this organism as a bioindicator of these metals, 11 simultaneous samplings (every other day) were conducted from 24 August to 23 September 1995 at one polluted site and one unpolluted site at Todos Santos Bay in Ensenada, Baja California, Mexico. The concentrations of Ag and Cu (µg g–1 dry weight) were significantly greater at the polluted station (0.64–1.69 and 6.72–9.10, respectively) than at the unpolluted station (0.05–0.27 and 5.48–7.00, respectively), possibly due to the proximity of the polluted station to a wastewater discharge. The concentrations of Cd at the unpolluted station (1.37–5.25) were significantly greater than those at the polluted station (0.60–2.13), probably due to the association of Cd with upwelling, which is a common occurrence at the unpolluted station during the time the samplings were conducted. The relationships between the raw concentrations of the metals studied and the concentration normalized by the condition index indicate that M. californianus is a better indicator of Ag and Cd than of Cu. Con el objetivo de estudiar la variabilidad temporal de corto periodo de la concentración de Ag, Cd y Cu en Mytilus californianus y de determinar la efectividad de este organismo como biomonitor de estos metales, del 24 de agosto al 23 de septiembre de 1995 se realizaron 11 muestreos simultáneos (uno cada tercer día) en un sitio contaminado y otro limpio de la Bahía de Todos Santos en Ensenada, Baja California, México. Las concentraciones de Ag y Cu (µg g–1 peso seco) fueron significativamente mayores en la estación contaminada (0.64–1.69 y 6.72–9.10, respectivamente) que en la estación limpia (0.05–0.27 y 5.48–7.00, respectivamente). Esto puede ser debido a que cerca de la estación contaminada se encuentra una descarga de aguas residuales municipales. Por el contrario, las concentraciones de Cd en la estación limpia (1.37–5.25) fueron significativamente mayores que las de la estación contaminada (0.60–2.13). La probable causa de lo anterior es la asociación de Cd a los fenómenos de surgencia, los cuales son comunes en la estación limpia en la época en que se realizó el muestreo en este estudio. Las relaciones entre la concentración cruda de los metales estudiados y la concentración normalizada por el índice de condición indican que M. californianus es mejor indicador de Ag y Cd que de Cu. Iniversidad Autónoma de Baja California 2001-03-06 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/457 10.7773/cm.v27i2.457 Ciencias Marinas; Vol. 27 No. 2 (2001); 269-288 Ciencias Marinas; Vol. 27 Núm. 2 (2001); 269-288 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/457/396 |
| institution |
Ciencias Marinas |
| collection |
OJS |
| language |
eng |
| format |
Online |
| author |
Gutiérrez-Galindo, EA Muñoz-Barbosa, A |
| spellingShingle |
Gutiérrez-Galindo, EA Muñoz-Barbosa, A Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| author_facet |
Gutiérrez-Galindo, EA Muñoz-Barbosa, A |
| author_sort |
Gutiérrez-Galindo, EA |
| title |
Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| title_short |
Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| title_full |
Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| title_fullStr |
Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| title_full_unstemmed |
Short-term temporal variability of Ag, Cd and Cu in Mytilus californianus and the effectiveness of this organism as a bioindicator |
| title_sort |
short-term temporal variability of ag, cd and cu in mytilus californianus and the effectiveness of this organism as a bioindicator |
| description |
In order to study the short-term temporal variability of the concentration of Ag, Cd and Cu in Mytilus californianus and to determine the effectiveness of this organism as a bioindicator of these metals, 11 simultaneous samplings (every other day) were conducted from 24 August to 23 September 1995 at one polluted site and one unpolluted site at Todos Santos Bay in Ensenada, Baja California, Mexico. The concentrations of Ag and Cu (µg g–1 dry weight) were significantly greater at the polluted station (0.64–1.69 and 6.72–9.10, respectively) than at the unpolluted station (0.05–0.27 and 5.48–7.00, respectively), possibly due to the proximity of the polluted station to a wastewater discharge. The concentrations of Cd at the unpolluted station (1.37–5.25) were significantly greater than those at the polluted station (0.60–2.13), probably due to the association of Cd with upwelling, which is a common occurrence at the unpolluted station during the time the samplings were conducted. The relationships between the raw concentrations of the metals studied and the concentration normalized by the condition index indicate that M. californianus is a better indicator of Ag and Cd than of Cu. |
| publisher |
Iniversidad Autónoma de Baja California |
| publishDate |
2001 |
| url |
https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/457 |
| _version_ |
1715723970614919168 |
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