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A large barren-ground caribou (Rangifer tarandus granti) population (the Bering Seacoast Herd) historically ranged across southwest Alaska. The size of this herd peaked in the early 1860s but declined by the late 1880s. Caribou numbers remained low in southwest Alaska for the next 100 years. Biologists have argued that periodic dispersal has been an important factor in caribou population dynamics. However, others conclude there was no credible evidence that significant interchange between herds has ever occurred in Alaska. Since 1981, we monitored 318 radiocollared caribou and documented dramatic population growth, erratic movements, shifts from traditional ranges, and changes in migratory behavior. We also documented...


    map background search result map search result map INFLUENCE OF POPULATION GROWTH ON CARIBOU HERD IDENTITY, CALVING GROUND FIDELITY, AND BEHAVIOR INFLUENCE OF POPULATION GROWTH ON CARIBOU HERD IDENTITY, CALVING GROUND FIDELITY, AND BEHAVIOR