Polybrominated diphenyl ethers (PBDEs) in feathers of colonial water-bird species from Pakistan

被引：29
作者：
Malik, Riffat Naseem [1 ]
Moeckel, Claudia [2 ]
Jones, Kevin C. [3 ]
Hughes, David [3 ]
机构：
[1] Quaid I Azam Univ, Fac Biol Sci, Dept Plant Sci, Environm Biol Lab, Islamabad, Pakistan
[2] Lancaster Environm Ctr, Ctr Ecol & Hydrol, Lancaster LA1 4AP, England
[3] Univ Lancaster, Ctr Chem Management, Lancaster Environm Ctr, Lancaster LA1 4YQ, England
来源：
ENVIRONMENTAL POLLUTION | 2011年 / 159卷 / 10期
关键词：
Aquatic birds; PBDEs; Egrets; Hazard quotients; BROMINATED FLAME RETARDANTS; KESTRELS FALCO-SPARVERIUS; NONDESTRUCTIVE BIOMONITORING TOOL; STARLINGS STURNUS-VULGARIS; ORGANIC POLLUTANTS; ORGANOCHLORINE PESTICIDES; POLYCHLORINATED-BIPHENYLS; EXTERNAL CONTAMINATION; RIVER CHENAB; SOUTH CHINA;
D O I：
10.1016/j.envpol.2011.04.010
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Feathers of two colonial water-birds species (Bubulcus ibis, Egretta garzetta) from four heronries in the Punjab province, Pakistan were analysed for 28 Polybrominated Diphenyl Ethers (PBDEs) congeners. Median concentrations of Sigma PBDEs were 2.41 and 1.91 ng/g in little and cattle egrets. PBDE-47, -100, -138, -153 were abundant and detected in >70% of feather samples in both species. Species-specific differences based on dietary preferences indicated higher concentration of PBDE-47, -66, -75, -100, -153, -154, and -183 in fish eating little egret. BDE-47 and -100 were more frequent in little egrets and BDE-99 was more dominant in cattle egret which feed on terrestrial habitat. Higher Sigma hexa- and hepta-BDEs congeners showed larger concentrations in feathers from heronries close to water bodies which receive urban and industrial effluents whereas lower-brominated congeners (BDE-47-BDE-100) dominated in rural/agricultural regions. Hazard quotients (HQs) indicated that measured Sigma PBDEs pose no risk to egret population. (C) 2011 Elsevier Ltd. All rights reserved.
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页码：3044 / 3050
页数：7
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