Lead and Cadmium in the Blood of Nine Species of Seabirds, Marion Island, South Africa

被引：8

作者：

Summers, Carly F. ^{[1
]}

Bowerman, William W. ^{[2
]}

Parsons, Nola ^{[3
]}

Chao, Wayne Y. ^{[1
]}

Bridges, William C., Jr. ^{[4
]}

机构：

[1] Clemson Univ, Sch Agr Forest & Environm Sci, Clemson, SC 29634 USA

[2] Univ Maryland, Dept Environm Sci & Technol, College Pk, MD 20742 USA

[3] Southern African Fdn Conservat Coastal Birds, ZA-7443 Cape Town, South Africa

[4] Clemson Univ, Dept Math, Clemson, SC 29634 USA

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2014年 / 93卷 / 04期

关键词：

Lead; Cadmium; Seabird; Heavy metal; Marion Island; South Africa; HEAVY-METAL CONCENTRATIONS; ATLANTIC-OCEAN; FEATHERS; CEPHALOPODS; ENVIRONMENT; MERCURY; ZINC;

D O I：

10.1007/s00128-014-1359-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Levels of lead (Pb) and cadmium (Cd) were investigated as potential stressors in nine species of breeding seabirds on Marion Island, South Africa. The majority of blood Pb levels (95 %) were below background exposure levels. Species was a significant factor in ranked means analysis for mean blood Pb levels. Fewer individual blood Cd levels (< 60 %) were within background exposure levels and species was not significant. Elevated levels of Cd have been documented in other seabird species without apparent outward effects, which suggests that seabirds may be adapted to high cadmium environments, particularly from their diets. Overall, the results suggest Pb and Cd are not primary causes for concern in these seabirds.

引用

页码：417 / 422

页数：6

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