The State of Circumpolar Walrus Populations
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Table 2. Assessment <strong>of</strong> Pacific walruses by population, see text for sources.<br />
Population<br />
1<br />
Stock size<br />
Year <strong>of</strong><br />
estimate<br />
Quality <strong>of</strong> abundance<br />
estimate 2 (method)<br />
Harveste<br />
d?<br />
Est. landed<br />
catch<br />
Quality<br />
<strong>of</strong><br />
catch<br />
estimat<br />
e 2<br />
Population<br />
trend<br />
LVS ?? 3 -- -- No -- -- Unknown<br />
BCS 129,000 (95%<br />
CI 55,000-<br />
507,000)<br />
2006 F (Aerial strip-transects<br />
with thermal scanners,<br />
corrected)<br />
Yes<br />
2006-10 mean:<br />
USA = 4,852<br />
(SE 346),<br />
Russia = 1,782<br />
(SE 200) 4<br />
G<br />
Unknown (has<br />
declined since<br />
1970s-1980s)<br />
1<br />
LVS = Laptev Sea (Russia); BCS = Bering and Chukchi Seas (United <strong>State</strong>s (Alaska); Russia).<br />
2<br />
G = Good (minimal bias, acceptable precision); F = Fair (problems with quality <strong>of</strong> data, precision uncertain); P = Poor (considerable uncertainty,<br />
bias or few data).<br />
3<br />
<strong>The</strong> population was estimated at 4,000-5,000 animals according to a report cited in Fay (1982), current abundance is unknown (Lowry et al.<br />
2008).<br />
4<br />
Includes estimated number struck and lost.
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