Ringed seal (Pusa hispida) tooth annuli as an index of reproduction in the Beaufort Sea
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Issue Date
2017Author
Nguyen, LindaPilfold, Nicholas W.
Derocher, Andrew E.
Stirling, Ian
Bohart, Alyssa M.
Richardson, Evan
Journal title
Ecological IndicatorsVolume
77Begin page
286End page
292
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http://www.sciencedirect.com/science/article/pii/S1470160X17300511Abstract
Multi-decadal time-series of biological indices that reflect the state of a population are rare in ecological studies, but invaluable for assessing environmental regulation of population dynamics. We utilized canine teeth extracted from ringed seals (Pusa hispida) killed by polar bears (Ursus maritimus) in the Beaufort Sea, Canada, in 1985–2011, to obtain widths of annual growth layers in the cementum....Type
ArticleRights
© 2017 Elsevier Ltd. All rights reserved.ae974a485f413a2113503eed53cd6c53
10.1016/j.ecolind.2017.02.003
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