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A Method for Investigating Population Declines of Migratory Birds Using Stable Isotopes: Origins of Harvested Lesser Scaup in North America

Dates

Year
2009

Citation

Hobson, Keith A., Wunder, Michael B., Van Wilgenburg, Steven L., Clark, Robert G., and Wassenaar, Leonard I., 2009, A Method for Investigating Population Declines of Migratory Birds Using Stable Isotopes: Origins of Harvested Lesser Scaup in North America: PLoS One, v. 4, no. 11, n/a p.

Summary

Background Elucidating geographic locations from where migratory birds are recruited into adult breeding populations is a fundamental but largely elusive goal in conservation biology. This is especially true for species that breed in remote northern areas where field-based demographic assessments are logistically challenging. Methodology/Findings Here we used hydrogen isotopes (δD) to determine natal origins of migrating hatch-year lesser scaup (Aythya affinis) harvested by hunters in the United States from all North American flyways during the hunting seasons of 1999-2000 (n = 412) and 2000-2001 (n = 455). We combined geospatial, observational, and analytical data sources, including known scaup breeding range, δD values of feathers [...]

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  • Northwest Boreal Landscape Conservation Cooperative

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DOI http://sciencebase.gov/vocab/identifierScheme 10.1371/journal.pone.0007915; DOCID: 2898376311; PCID: 75581572; PMID: 174835; ProvJournalCode: PLBN; DOI: 10.1371/journal.pone.0007915; PublisherXID: ICAPLOS_PLBN_20091101_v4i11a0007915 10.1371/journal.pone.0007915

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