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Wood bison (Bison bison athabascae ) were reintroduced into southwestern Yukon as part of a national recovery program in the late 1980s. The Yukon Bison Management Plan identified potential impacts of the reintroduced bison on other ecosystem components as a priority management issue. In particular, local residents expressed concern for the indirect effects of bison on the Aishihik woodland caribou ( Rangifer tarandus caribou ) herd resulting from competition for space and forage during late winter. This project assessed the potential for exploitative competition between bison and caribou by determining resource selection (i.e., use vs. availability) and overlap in resource use across 3 spatial scales: the landscape,...
Spatial overlap periodically occurs between Boreal Caribou designatable unit (DU) 6 and Northern Mountain Caribou DU7, although overlaps are thought to occur primarily in winter when the likelihood of genetic exchange is low. In May 2013, a Caribou migrated from the Parker Boreal Caribou range (DU6) to calve in the alpine area of the Muskwa Northern Mountain Caribou range (DU7). This individual calved in the Parker range in 2014, but in 2015, she repeated her 2013 migration, travelling into the Muskwa range to calve within 700 m of her 2013 calving location. This individual's behaviour points to possible genetic exchange between the two DUs. [ABSTRACT FROM AUTHOR] Copyright of Canadian Field-Naturalist is the property...
    map background search result map search result map Late winter resource selection and the potential for competition between wood bison and woodland caribou in the Yukon Fire, Grazing History, Lichen Abundance, and Winter Distribution of Caribou in Alaska's Taiga CARIBOU RISING: DEFENDING THE PORCUPINE HERD, GWICH-'IN CULTURE, AND THE ARCTIC NATIONAL WILDLIFE REFUGE . Rick Bass. 2004. San Francisco: Sierra Club Books. xii + 164 p, hard cover. ISBN 1-57805-114-2. $19.95 Interacting effect of wolves and climate on recruitment in a northern mountain caribou population Longevity and Mortality of Boreal Woodland Caribou (Rangifer tarandus caribou) of the Dehcho Region, Northwest Territories There and Back Again: One Caribou's (Rangifer tarandus) Migratory Behaviour Hints at Genetic Exchange between Designatable Units South Nahanni and Coal River Northern Mountain Caribou Herds: Population Status and Demographic Characteristics Fire, Grazing History, Lichen Abundance, and Winter Distribution of Caribou in Alaska's Taiga Late winter resource selection and the potential for competition between wood bison and woodland caribou in the Yukon South Nahanni and Coal River Northern Mountain Caribou Herds: Population Status and Demographic Characteristics Longevity and Mortality of Boreal Woodland Caribou (Rangifer tarandus caribou) of the Dehcho Region, Northwest Territories Interacting effect of wolves and climate on recruitment in a northern mountain caribou population CARIBOU RISING: DEFENDING THE PORCUPINE HERD, GWICH-'IN CULTURE, AND THE ARCTIC NATIONAL WILDLIFE REFUGE . Rick Bass. 2004. San Francisco: Sierra Club Books. xii + 164 p, hard cover. ISBN 1-57805-114-2. $19.95 There and Back Again: One Caribou's (Rangifer tarandus) Migratory Behaviour Hints at Genetic Exchange between Designatable Units