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Trophic position and individual feeding habits as drivers of differential PCB bioaccumulation in fish populations.

https://arctichealth.org/en/permalink/ahliterature300013
Source
Sci Total Environ. 2019 Jul 15; 674:472-481
Publication Type
Journal Article
Date
Jul-15-2019
Author
T Masset
V Frossard
M E Perga
N Cottin
C Piot
S Cachera
E Naffrechoux
Author Affiliation
Univ. Savoie Mont-Blanc, LCME, 73000 Chambéry, France. Electronic address: Thibault.masset@univ-smb.fr.
Source
Sci Total Environ. 2019 Jul 15; 674:472-481
Date
Jul-15-2019
Language
English
Publication Type
Journal Article
Keywords
Animals
Environmental monitoring
Fishes - metabolism
Food chain
Polychlorinated Biphenyls - metabolism
Water Pollutants, Chemical - metabolism
Abstract
Despite PCBs being banned since the 1980's, some European peri-alpine lakes, and consequently their fish populations, are still contaminated by these xenobiotics. We investigated the relative contribution of physiological and trophic factors that could be implicated in fish PCB bioaccumulation in Lake Bourget (France), one of the most contaminated in Europe, by collecting Arctic char (n?=?55) and European whitefish (n?=?89) from 2013 to 2016. Concentrations of 7 indicator PCBs were 9-168?ng.g w.w-1 in whitefish and 90-701?ng.g w.w-1 in Arctic char. The fish trophic positions calculated from d 15N values were positively correlated with PCB concentrations (r2?=?0.45; p?
PubMed ID
31022538 View in PubMed
Less detail

Trophic position and individual feeding habits as drivers of differential PCB bioaccumulation in fish populations.

https://arctichealth.org/en/permalink/ahliterature299529
Source
Sci Total Environ. 2019 Jul 15; 674:472-481
Publication Type
Journal Article
Date
Jul-15-2019
Author
T Masset
V Frossard
M E Perga
N Cottin
C Piot
S Cachera
E Naffrechoux
Author Affiliation
Univ. Savoie Mont-Blanc, LCME, 73000 Chambéry, France. Electronic address: Thibault.masset@univ-smb.fr.
Source
Sci Total Environ. 2019 Jul 15; 674:472-481
Date
Jul-15-2019
Language
English
Publication Type
Journal Article
Abstract
Despite PCBs being banned since the 1980's, some European peri-alpine lakes, and consequently their fish populations, are still contaminated by these xenobiotics. We investigated the relative contribution of physiological and trophic factors that could be implicated in fish PCB bioaccumulation in Lake Bourget (France), one of the most contaminated in Europe, by collecting Arctic char (n?=?55) and European whitefish (n?=?89) from 2013 to 2016. Concentrations of 7 indicator PCBs were 9-168?ng.g w.w-1 in whitefish and 90-701?ng.g w.w-1 in Arctic char. The fish trophic positions calculated from d 15N values were positively correlated with PCB concentrations (r2?=?0.45; p?
PubMed ID
31022538 View in PubMed
Less detail