Polybrominated Diphenyl Ethers (PBDEs) in Gammarids, Caddisflies, and Bed Sediments of the Lowland River Po

被引：0
|
作者：
Luigi Viganò
Claudio Roscioli
Claudio Erratico
Licia Guzzella
Anna Farkas
机构：
[1] Water Research Institute–National Council of Research,
[2] Balaton Limnological Research Institute,undefined
来源：
Bulletin of Environmental Contamination and Toxicology | 2009年 / 82卷
关键词：
PBDEs; Echinogammarus; Hydropsychidae; BSAF;
D O I：
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中图分类号：
学科分类号：
摘要：
Polybrominated diphenyl ethers (PBDEs) were investigated in sediments and invertebrates (gammarids and caddisflies) collected in the River Po, upstream and downstream from a polluted tributary. Besides a diffuse contamination by penta-BDE technical mixture, the river sediments identified the tributary as an important source to the main river of decabromodiphenyl ether (BDE-209), which peaked to 64 μg/g (OC) in the downstream stretch. At 10 km downstream from the tributary, a higher bioavailability was evident than at 22 km, and small gammarids accumulated at two/three times the levels of PBDEs found in large gammarids. The congener profiles of sediments and invertebrates were dominated by BDE-47, BDE-99 and BDE-209.
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页码：200 / 205
页数：5
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