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Repositorio de la Universidad de Oviedo. > Producción Bibliográfica de UniOvi: RECOPILA > Artículos >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/29142

Title: Brown Trout as Biomonitor of Heavy Metal Pollution: Effect of Age on the Reliability of the Assessment
Author(s): Linde Arias, Ana Rosa
Sánchez Galán, S.
Izquierdo Gutiérrez, Jorge Ignacio
Arribas, P.
Marañón Maison, María Elena
García Vázquez, Eva
Issue date: 1998
Publisher: Elsevier
Publisher version: http://dx.doi.org/10.1006/eesa.1998.1652
Citation: Ecotoxicology and Environmental Safety, 40 (1-2), p. 120-125 (1998); doi:10.1006/eesa.1998.1652
Format extent: p. 120-125
Abstract: Brown trout (Salmo trutta L.) is a native fish of the rivers of northern Spain. It is the dominant fish species in these rivers, and it is widespread over all the range of freshwater ecosystems in the area, including ecosystems potentially polluted with heavy metals. In this study, the potential of brown trout as biomonitor of heavy metal pollution and the effect of fish age on the reliability of the assessment are analyzed. Copper, lead, and cadmium concentrations of both abiotic compartments (water and sediments) and brown trout (S. trutta) from three northern Spanish rivers were analyzed. Significant correlations were found between sediment lead content and lead concentration in trout liver. One-year-old juvenile trouts were demonstrated to be useful as a biomonitor of copper and lead pollution, revealing between-location differences. Older trouts do not seem adequate to properly monitor heavy metal pollution. The effect of aging on the reliability of this species as biomonitor is discussed.
URI: http://hdl.handle.net/10651/29142
ISSN: 0147-6513
Sponsored: This work has been supported by the FICYT (Project No. PA-REC94-01), Consejeria de Medio Ambiente (Principado de Asturias), and Dupont Ibérica.
Project id.: PA-REC94-01
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