Summary of polar bear population status per 2013

The present table was discussed during fall and early winter 2013, and agreed upon by the group Dec 1, 2013. This status table will be updated whenever there are new information available that is considered credible and valid by the group.

Press the subpopulation hyperlink and more information will appear. A pdf can be downloaded at the bottom of the page.

Subpopulation Size Trend Human-caused removals 2009–2013
Estimate /
95% CI
Year Method Relative to historic level
(approx. 25-yr past)
Current (approx. 12-yr
period centered on present)
5-yr mean 3-yr mean Last year
Potential Actual Potential Actual Potential Actual
Arctic BasinUnknown  Data deficientData deficient      
Baffin Bay1546
690-2402
2004PVA
(Based on physical capture-recapture estimate from 1998)
Data deficientDeclining156156149152151134
Barents Sea2644
1899-3592
2004Distance samplingData deficientData deficientNA1NA1NA2
Chukchi SeaUnknown  Data deficientData deficientNA31 (U.S.) + NA (Russia)5836 (U.S.) + NA (Russia)5855 (U.S.) + NA (Russia)
Davis Strait2158
1833-2542
2007Physical capture-recaptureData deficientStable969398106108111
East GreenlandUnknown  PVAData deficientData deficient605964646460
Foxe Basin2580
2093-3180
2009/10Distance samplingNot reducedStable109109108108109106
Gulf of Boothia1592
870-2314
2000Physical capture-recaptureNot reducedStable746274607467
Kane Basin164
94-234
1994-1997Physical capture-recaptureData deficientDeclining115116114
Kara SeaUnknown  Data deficientData deficient NA NA NA
Lancaster Sound2541
1759-3323
1995-1997Physical capture-recaptureData deficientData deficient85878589.38591
Laptev SeaUnknown  Data deficientData deficient NA NA NA
M'Clintock Channel284
166-402
2000Physical capture-recaptureReducedIncreasing32.83333
Northern Beaufort Sea980
825-1135
2006Physical capture-recaptureNot reducedStable6537.46546.76543
Norwegian Bay203
115-291
1997Physical capture-recaptureData deficientData deficient41.642.343
Southern Beaufort Sea1526
1211-1841
2006Physical capture-recaptureReducedDeclining4635.67342.37041
Southern Hudson Bay970
680-1383
2012Distance samplingNot reducedStable4557.24571.74549
Viscount Melville Sound161
121-201
1992Physical capture-recaptureData deficientData deficient75.27677
Western Hudson Bay1000
715-1398
2011Distance samplingReducedDeclining20.219.623222822

 

 

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