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The influence of body size, condition index and tidal exposure on the variability in metal bioaccumulation in Mytilus edulis
Mubiana, V.K.; Vercauteren, K.; Blust, R. (2006). The influence of body size, condition index and tidal exposure on the variability in metal bioaccumulation in Mytilus edulis. Environ. Pollut. 144(1): 272-279. http://dx.doi.org/10.1016/j.envpol.2005.12.017
In: Environmental Pollution. Elsevier: Barking. ISSN 0269-7491; e-ISSN 1873-6424, meer
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| Trefwoorden |
Mytilus edulis Linnaeus, 1758 [WoRMS]
Marien/Kust |
| Author keywords |
Mussels; Heavy metals; Inter-individual variability; Biomonitoring |
| Abstract |
Mussels are commonly used to monitor metal pollution despite high inter-individual variability in tissue concentrations. In this study, influences of body size, condition index and tidal height on concentrations of As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and Zn were investigated. Body weight was inversely related to metal concentrations and for Cd, Mn, Pb and Zn the regression was affected by tidal height. Except for As, Fe and Mn metal concentrations were inversely related to physiological status though no differences between essential and non-essential metals were obvious. After correcting for body size, tidal height was related positively to As, Cd and Zn, negatively related to Cu, Fe and Mn while Co, Cr, Ni and Pb were independent of tidal height. The study recommends stringent measures during sampling for biomonitoring or metal concentrations at each location must be normalized to a common body size, CI and tidal height. |
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