期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 524, 期 -, 页码 104-114出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2015.03.135
关键词
Biomarkers; Biomonitoring; Mine tailings; Marine mussels; Arctic fjord; Integrative biomarker response
资金
- Sydvaranger Gruve AS
The blue mussel (Mytilus spp.) has been used to assess the potential biological effects of the discharge effluent from the Sydvaranger mine, which releases its tailings into Bok fjord at Kirkenes in the north of Norway. Metal bioaccumulation and a suite of biomarkers were measured in mussels positioned for 6 weeks at varying distances from the discharge outlet. The biomarkers used included: stress on stress (SS); condition index (CI); cellular energy allocation (CEA); micronuclei formation (MN); lysosomal membrane stability (LMS), basophilic cell volume (VvBAS); and neutral lipid (NL) accumulation. The individual biomarkers were integrated using the integrated biological response (IBR/n) index. The accumulation of Fe was significantly higher in mussels located closer to the discharge outlet, indicating that these mussels had been exposed to the suspended mine effluent. The IBR/n results were in good agreement with the location of the mussels in relation to the distance from the discharge outlet and expected exposure to the mine effluent. Several biomarkers showed responses resulting in higher IBR/n values of analysed mussels within a 3 km distance from the tailing discharge. (C) 2015 Elsevier B.V. All rights reserved.
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