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note
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This project was funded with grants from the Swedish World Wide Fund for Nature/WWF Sweden, the Swedish Environment Protection Agency, and the Swedish Project "Sälar och Fiske" ("Seals and Fisheries") to Björn Helander at the Museum of Natural History in Stockholm. We thank Gunilla Hamne, Erik Isaksson, Peter Lögdberg, Erik Rehnström, Håkan Sahlin, and Lars Wallin for field assistance. The manuscript was improved by comments from Christer Wiklund, Anders Angerbjörn, and two anonymous referees.
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First submitted 28 Aug. 2003. Revised manuscript received 29 Nov. 2004. Accepted for publication 1 Dec. 2004
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First submitted 28 Aug. 2003. Revised manuscript received 29 Nov. 2004. Accepted for publication 1 Dec. 2004.
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