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Lookup NU author(s): Professor Per Berggren
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Patterns and levels of chlorinated aromatic contaminants (DDTs, PCBs, non-ortho PCBs and PCDD/Fs) in blub- ber tissue were compared among six sample groups of male harbour porpoises (Phocoena phocoena) from the Baltic Sea, the Kattegat-Skagerrak Seas and the west coast of Norway. A principal component and classification analysis showed that mature harbour porpoises from the Baltic had significantly different contaminant patterns than animals from the Kattegat-Skagerrak and Norway. ANOVAs showed that mature porpoises from the Baltic had higher levels of RPCB and several individual PCBs and PCDD/Fs than the Kattegat-Skagerrak and the Norwegian samples and higher RDDT than the Norwegian. A comparison between immature porpoises showed that Baltic animals had higher levels of RPCDD/F than the corresponding sample from the Kattegat-Skagerrak. The levels of RDDT, RPCB and Rnon-ortho PCB were significantly higher in animals collected during 1978±81 compared to animals collected in 1988±90 indicating a temporal decline of these organochlorines in the Kattegat-Skagerrak Seas. The contaminant levels recorded in the Baltic Sea are a serious cause for concern and could have management implications for the already threatened harbour porpoises in this area.
Author(s): Berggren P, Ishaq R, Zebühr Y, Näf C, Bandh C, Broman D
Publication type: Article
Publication status: Published
Journal: Marine Pollution Bulletin
Year: 1999
Volume: 38
Issue: 12
Pages: 1070-1084
Print publication date: 01/12/1999
Online publication date: 03/01/2000
ISSN (print): 0025-326X
ISSN (electronic): 1879-3363
Publisher: Elsevier Ltd
URL: http://dx.doi.org/10.1016/S0025-326X(99)00098-3
DOI: 10.1016/S0025-326X(99)00098-3
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