Polar Bears in the Beaufort Sea: A 30-Year Mark-Recapture Case History

Knowledge of population size and trend is necessary to manage anthropogenic risks to polar bears (Ursus maritimus). Despite capturing over 1,025 females between 1967 and 1998, previously calculated estimates of the size of the southern Beaufort Sea (SBS) population have been unreliable. We improved...

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Veröffentlicht in:	Journal of agricultural, biological, and environmental statistics biological, and environmental statistics, 2001-06, Vol.6 (2), p.221-234
Hauptverfasser:	Amstrup, S. C., McDonald, T. L., Stirling, I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal, plant and microbial ecology Animals Biological and medical sciences Coefficients Confidence interval Ecological modeling Fundamental and applied biological sciences. Psychology General aspects. Techniques Inverse relationships Mark release recapture Methods and techniques (sampling, tagging, trapping, modelling...) Modeling Polar bears Population estimates Population size
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