Three decades (1983-2010) of contaminant trends in East Greenland polar bears (Ursus maritimus). Part 1:Legacy organochlorine contaminants

Legacy organochlorine contaminants were determined in adipose tissues from 294 polar bears (Ursus maritimus) sampled in East Greenland in 23 of the 28years between 1983 and 2010. Of 19 major legacy contaminants and congeners (ΣPCB, 4 PCB congeners (CB153, 180, 170/190), ΣDDT, p,p'-DDE, p,p'...

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Bibliographic Details
Published in:Environment International
Main Authors: Dietz, Rune, Rigét, Frank F, Sonne, Christian, Born, Erik W, Bechshøft, Thea, McKinney, Melissa A, Letcher, Robert J
Format: Article in Journal/Newspaper
Language:English
Published: 2013
Subjects:
Greenland
East Greenland
Ursus maritimus
Online Access:https://pure.au.dk/portal/da/publications/three-decades-19832010-of-contaminant-trends-in-east-greenland-polar-bears-ursus-maritimus-part-1(4800425b-ec15-4a08-8c45-e6347910b731).html
https://doi.org/10.1016/j.envint.2012.09.004
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Summary:Legacy organochlorine contaminants were determined in adipose tissues from 294 polar bears (Ursus maritimus) sampled in East Greenland in 23 of the 28years between 1983 and 2010. Of 19 major legacy contaminants and congeners (ΣPCB, 4 PCB congeners (CB153, 180, 170/190), ΣDDT, p,p'-DDE, p,p' -DDD and p,p'-DDT, α- and β-hexachlorocyclohexane (HCH), HCB, octachlorostyrene, dieldrin, oxychlordane, cis- and trans-chlordane, cis- and trans-nonachlor, heptachlor epoxide and BB-153), 18 showed statistically significant average yearly declines of -4.4% (range: -2.0 to -10.8%/year) among subadult polar bears (i.e. females

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