Bioaccumulation of organochlorines in relation to the life history in the white-spotted charr Salvelinus leucomaenis

被引：3
作者：
Arai, Takaomi [1 ]
机构：
[1] Univ Malaysia Terengganu, Inst Oceanog & Environm, Kuala Terengganu 21030, Terengganu, Malaysia
来源：
MARINE POLLUTION BULLETIN | 2013年 / 67卷 / 1-2期
关键词：
Organochlorine compounds; Salmon; Ecological risk; Migration; Lipid; PERSISTENT ORGANIC POLLUTANTS; SALMON SALMO-SALAR; MARINE FOOD-WEB; ENERGY ALLOCATION; BROWN TROUT; FRESH-WATER; PCB CONGENERS; ACCUMULATION; FISH; CONTAMINANTS;
D O I：
10.1016/j.marpolbul.2012.11.006
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The bioaccumulation of organochlorines (OCs) in the muscle tissue of sea-run (anadromous) and freshwater-resident (fluvial) white-spotted charr (Salvelinus leucomaenis) was determined to assess the ecological risk related to intraspecies variations in diadromous fish life history as they migrate between sea and freshwater. Generally, there were significant correlations between the accumulation of OCs such as DDTs, HCB, HCHs and CHLs. In addition, various biological characteristics, such as total length (TL), body weight (BW) and age, and number of downstream migration (NDM) were correlated. A positive correlation occurred between the lipid content and the OC concentrations. Close linear relationships were found between TL, BW and NDM and the lipid content. Although they are both the same species, the OCs concentrations in the anadromous fish were significantly higher than those in the fluvial individuals. These results suggest that anadromous S. leucomaenis have a higher ecological risk for OCs exposure than the fluvial fish. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：166 / 176
页数：11
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