WEBWe estimated density as 17.9 bears ;;::2.0/1,000 km2 (95% CI= 15.0-22.7) or 46.4/1,000 mi2 (95% CI = 38.9-58.8). For "independent" bears (excludes accompanied offspring of all ages), density was 14.6 bears/1,000 km2 (95% CI = …
Brown Bear ( Ursus arctos ) - Alaska Department of Fish and Game
WEBIn areas abundant food, such as the Alaska Peninsula, Kodiak and Admiralty Island, densities as high as one bear per square mile (2.6 km2) have been found. In central Alaska, both north and south of the Alaska Range, bear densities tend to be intermediate, about one bear per 15-25 mi2 (39-65 km2).
Brown Bear - Bear Species of Alaska - Alaska Handbook
WEBThe density of brown bear populations in Alaska fluctuates based on food availability, reaching as high as one bear per square mile in certain areas. Habits: The brown bear is a large mammal known for its solitary habits.
Brown Bear - Gates Of The Arctic National Park & Preserve (U.S ...
WEBNov 15, 2022 · Ninety-five percent of brown bears in the United States live in Alaska, and Gates of the Arctic is an important refuge for brown bears adapted to life in the Arctic. The Arctic is changing rapidly, and the potential impacts to …
Brown Bear Resource Brief for the Arctic Network - U.S. National …
WEBSep 20, 2021 · The density of brown bears in the four Arctic Inventory and Monitoring Network survey areas. Error bars show 95% Bayesian Credible Intervals. Spotted on an aerial survey: a sow with her three cubs move across …
(PDF) Brown and black bear density estimation in Alaska using ...
WEBJan 1, 1997 · Fifteen brown bear (Ursus arctos) and three black bear (U. americanus) density estimates were obtained in Alaska during 1985 through 1992 using 2-9 replicates of capture-mark-resight...
WEBsuggest that brown bear densities are similar or somewhat higher than in the past in much of northwestern Alaska and that current harvest rates are sustainable in most areas, except perhaps the Seward Peninsula.
WEBExtrapolating the density estimate of 45.1 bears per 1,000 km2 of available habitat on the study area to the Kenai Peninsula suggests a peninsula-wide population of 624 brown bears (95% lognormal CI = 504–
Brown bear population size and harvest in Northwest Alaska
WEBJan 20, 2021 · Using the constant model, we estimated the density of independent bears was 17.0, 49.2, 24.9, and 19.4/1,000 km 2 on portions of the Seward Peninsula, the lower Noatak River, the upper Noatak River, and Gates …
Brown Bear - Alaska Department of Fish and Game
WEBIn central Alaska, both north and south of the Alaska Range, bear densities tend to be intermediate, about one bear per 15-25 mi2 (39-65 km2). These figures do not mean that each bear has this much territory for its exclusive use.