Abstract:
:Mercury (Hg) is a toxic element distributed globally through atmospheric transport. Agattu Island, located in the western Aleutian Islands, Alaska, has no history of point-sources of Hg contamination. We provide baseline levels of total mercury (THg) concentrations in breast feathers of three birds that breed on the island. Geometric mean THg concentrations in feathers of fork-tailed storm-petrels (Oceanodroma furcata; 6703 ± 1635, ng/g fresh weight [fw]) were higher than all other species, including snowy owl (Bubo scandiacus; 2105 ± 1631, ng/g fw), a raptor with a diet composed largely of storm-petrels at Agattu Island. There were no significant differences in mean THg concentrations of breast feathers among adult Kittlitz's murrelet (Brachyramphus brevirostris; 1658 ± 1276, ng/g fw) and chicks (1475 ± 671, ng/g fw) and snowy owls. The observed THg concentrations in fork-tailed storm-petrel feathers emphasizes the need for further study of Hg pollution in the western Aleutian Islands.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Kaler RS,Kenney LA,Bond AL,Eagles-Smith CAdoi
10.1016/j.marpolbul.2014.02.034subject
Has Abstractpub_date
2014-05-15 00:00:00pages
189-93issue
1-2eissn
0025-326Xissn
1879-3363pii
S0025-326X(14)00139-8journal_volume
82pub_type
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journal_title:Marine pollution bulletin
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