Trace elements and ingested plastic debris in wintering dovekies (Alle alle)

被引：19

作者：

Fife, Danielle T. ^{[1
]}

Robertson, Gregory J. ^{[2
]}

Shutler, Dave ^{[1
]}

Braune, Birgit M. ^{[3
]}

Mallory, Mark L. ^{[1
]}

机构：

[1] Acadia Univ, Dept Biol, Wolfville, NS B4P 2R6, Canada

[2] Environm Canada, Wildlife Res Div, Mt Pearl, NF A1N 4T3, Canada

[3] Carleton Univ, Natl Wildlife Res Ctr, Ottawa, ON K1A 0H3, Canada

来源：

MARINE POLLUTION BULLETIN | 2015年 / 91卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Dovekie; Alle alle; Trace elements; Plastic ingestion; Stable isotopes; Mercury; STABLE-ISOTOPE DELTA-C-13; MARINE FOOD-WEB; ARCTIC SEABIRDS; MERCURY; INSIGHTS; POLYNYA; ADULTS; COMMON; BIRDS;

D O I：

10.1016/j.marpolbul.2014.11.029

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We provide the first report on winter concentrations of 32 trace metals from dovekies (Alle alle), a small, Arctic seabird that has a seasonal shift in diet from small zooplankton in the breeding season to larger zooplankton and small fish in the non-breeding season. Concentrations of selected trace elements, as well as stable carbon (delta C-13) and nitrogen (delta N-15) isotope concentrations for a sample of 25 dovekies, were similar between adult males and females, and there was evidence that dovekies feeding at higher trophic levels had higher hepatic Hg. We also found plastic debris in nine of 65 (14%) gizzards examined. Our study helps provide a more complete picture of the foraging ecology and contaminant profile of dovekies, an important species in Arctic marine food webs. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：368 / 371

页数：4

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