The relative abundance of harbour porpoises Phocoena phocoena from acoustic and visual surveys in Baltic waters during 2001 and 2002
Autor: | Douglas Gillespie, Per Berggren, Steve Brown, Iwona Kuklik, Claire Lacey, Tim Lewis, Justin Matthews, Richard McLanaghan, Anna Moscrop, Nick Tregenza |
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Zdroj: | University of St Andrews CRIS |
Databáze: | OpenAIRE |
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