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Bioaccumulation and Effects of Metals Bound to Sediments Collected from Gulf of Cádiz (SW Spain) Using the Polychaete Arenicola marina

AuthorsKalman, Judit CSIC ORCID; Riba, Inmaculada CSIC ORCID; Del Valls, T. A.; Blasco, Julián CSIC ORCID CVN
KeywordsGulf of Cadiz
Arenicola marina
Biological markers
Geologic sediments
Issue DateJan-2012
CitationArchives of Environmental Contamination and Toxicology 62(1): 22-28 (2012)
AbstractA short-term whole-sediment test using the polychaete Arenicola marina was conducted under laboratory conditions to assess the bioavailability of metals bound to sediments collected from 12 sites of the Gulf of Cádiz. To achieve this objective, the rate of increase of metal bioaccumulation and the induction of a typical biomarker, metallothioneinlike proteins (MTLPs) were determined. Results of the multivariate analysis showed associated metal-rich sediments, increased rate of Cu and Zn accumulations, but lower toxicity with an increased MTLP induction, whereas sedimentary Ni and Co concentrations were related to higher toxicity to lugworms, although it might be caused by other contaminants present in these sediments. The linear kinetic approach was shown to be valid in certain circumstances, but more validation studies of this parameter are required before it can be recommended for use in evaluating metal bioavailability in sediments.
Publisher version (URL)http://dx.doi.org/10.1007/s00244-011-9668-9
Appears in Collections:(ICMAN) Artículos
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