Regional differences in plastic ingestion among Southern Ocean fur seals and albatrosses

被引：56

作者：

Ryan, Peter G. ^{[1
]}

de Bruyn, P. J. Nico ^{[2
]}

Bester, Marthan N. ^{[2
]}

机构：

[1] Univ Cape Town, DST NRF Ctr Excellence, Percy Fitzpatrick Inst African Ornithol, ZA-7701 Rondebosch, South Africa

[2] Univ Pretoria, Mammal Res Inst, Dept Zool & Entomol, Private Bag X20, ZA-0028 Pretoria, South Africa

来源：

MARINE POLLUTION BULLETIN | 2016年 / 104卷 / 1-2期

基金：

新加坡国家研究基金会;

关键词：

Marine debris; Arctocephalus; Diomedea; Thalassarche; Marion Island; Tristan da Cunha; ARCTOCEPHALUS-GAZELLA; LONGLINE FISHERY; MACQUARIE ISLAND; MARION ISLAND; SEABIRDS; PARTICLES; ATLANTIC; LITTER; POLLUTION; AFRICA;

D O I：

10.1016/j.marpolbul.2016.01.032

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 data on regional differences in plastic ingestion for two,Southern Ocean top predators: Arctocephalus fur seals and albatrosses (Diomedeidae). Fur seals breeding on Macquarie Island in the 1990s excreted small (mainly 2-5 mm) plastic fragments, probably derived secondarily from myctophid fish. No plastic was found in the scats of these seals breeding on three islands in the southwest Indian and central South Atlantic Oceans, despite myctophids dominating their diets at these locations. Compared to recent reports of plastic ingestion by albatrosses off the east coast of South America, we confirm that plastic is seldom found in the stomachs of Thalassarche albatrosses off South Africa, but found no Diomedea albatrosses to contain plastic, compared to 26% off South America. The reasons for such regional differences are unclear, but emphasize the importance of reporting negative as well as positive records of plastic ingestion by marine biota. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：207 / 210

页数：4

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