期刊
WATER RESEARCH
卷 44, 期 6, 页码 1725-1736出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2009.11.042
关键词
Crab; Biomarkers; Biomonitoring; Pollution; Lagoon of Venice; Multivariate analysis
资金
- Regione Veneto (Italy) Progetto di Ricerca Sanitaria Finalizzata (Bioindicatori di inquinamento ambientale come strumento di tutela del territorio e possibili ricadute di salute pubblica)
An integrated biological-chemical approach is necessary to evaluate correctly the environmental status of bodies of water, as suggested by the EU Water Framework Directive. The shore crab Carcinus aestuarii, sampled in the Lagoon of Venice (NE Italy), was used as a biomonitor species, and the chemical concentrations of 42 organic pollutants (HCHs, PAHs, PCBs, DDTs, PBDEs), biological responses related to neurotoxicity (AChE inhibition), detoxification mechanisms (CYP4SO induction) and endocrine alterations (vitellogenin-like protein induction) were measured at the same time. The responsiveness of biomarkers as predictors (or descriptors) of chemical contamination was evaluated by multivariate regression analysis, revealing good predictor potential for the selected biomarkers. Biomonitoring in the Lagoon of Venice revealed a predominance of DDT and PCB compounds, especially near industrial sites or large cities. Endocrine alterations, not always correlated with the presence of measured compounds, were also detected in many areas, suggesting exposure to compounds able to interfere with the crab endocrine system. (C) 2009 Elsevier Ltd. All rights reserved.
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