Emerging and Legacy Contaminants in the Foodweb: Columbia River Contaminants and Habitat Characterization (ConHab) Project
Author:
Elena Nilsen
Date Published:
11/2013
Description:
PBDEs are widespread in the Columbia River (CR). Fish tissue contaminant concentrations increase
moving downstream where levels are of concern for subsistence fisher populations. Bioaccumulation/biomagnification was observed for PBDEs in samples. Biomarkers show that fish are more stressed at downstream sites relative to upstream sites (some statistically correlated to measured toxics). Gene expression microarrays identified 76 genes with expression patterns correlated with hepatic
tissue contaminants.
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