Status Review: Sea Otter (Enhydra lutris) Population Status and Trend

The sea otter population information usually present is primarily based on counts of relative abundance with the exception of a few areas in Alaska where survey specific correction factors are determined and applied to the total count. Because of the vagaries of survey methods, survey platforms (sho...

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Bibliographic Details
Main Authors Angela. M. Doroff, Brian Hatfield, Alexander Burdin, Linda Nichol, Kaoru Hattori, Vladimir Burkanov
Format Publication
LanguageEnglish
Published IUCN Otter Specialist Group 2011
Subjects
distribution
population status
sea otter
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Summary:The sea otter population information usually present is primarily based on counts of relative abundance with the exception of a few areas in Alaska where survey specific correction factors are determined and applied to the total count. Because of the vagaries of survey methods, survey platforms (shore-based, ship-based, and land-based sea otter counts), and habitat types, it would be inappropriate to combine all surveys over time into a global trend. Therefore it is relevant to discuss specific regions that have applied similar methods to the surveys for sea otters over time.
Bibliography:http://www.otterspecialistgroup.org/Bulletin/Volume28A/Doroff_et_al_2011.pdf
http://www.doaj.org/doaj?func=openurl&genre=article&issn=10239030&date=2011&volume=28&issue=A&spage=22