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The migratory woodland caribou refers to two herds of Rangifer tarandus (known as caribou in North America) that are included in the migratory woodland ecotype of the subspecies Rangifer tarandus caribou or woodland caribou [1] [2] that live in Nunavik, Quebec, and Labrador: the Leaf River caribou herd (LRCH) [3] [4] and the George River caribou herd (GRCH) south of Ungava Bay.
Caribou populations that are on Schedule 1 and are listed as threatened include the Boreal population in Yukon, Northwest Territories, British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, Newfoundland and Labrador. Caribou herds that are listed as endangered and are included on Schedule 1 include the Atlantic-Gaspésie caribou ...
It is unlike most woodland caribou in that it is not sedentary. The dramatic decline in numbers of the George River herd has raised concerns. [15] [16] [b] In the 1980s there were between 700,000 and 800,000 in the herd caribou migrating between northern Quebec and Labrador. By 2010 there were 74,000.
Approximate range of caribou subspecies in North America in 2003. Overlap is possible for contiguous range. 1. Rangifer tarandus caribou, which is subdivided into ecotypes: woodland (boreal), woodland (migratory) and woodland (montane), 2.
According to the Quebec's Natural Resources and Wildlife survey, the Leaf River Herd (LRH) (Rivière-aux-Feuilles) had decreased to 430,000 caribou in 2011. [ 12 ] [ 13 ] According to an international study on caribou populations, the Leaf River herd could be threatened with extinction by 2080.
The population of caribou within the reserve is one of the most threatened in Quebec, due to a variety of factors, such as its size, fragmentation, isolation and predation by the wolf. Although the reserve itself has an area of 434.19 km 2 (167.64 sq mi), the habitat used by the caribou extends to between 1,200 km 2 (460 sq mi) and 2,000 km 2 ...
The boreal woodland caribou (R. t. caribou), lives in the boreal forest of northeastern Canada: the Labrador or Ungava caribou of northern Quebec and northern Labrador (R. t. caboti), and the Newfoundland caribou of Newfoundland (R. t. terranovae) have been found to be genetically in the woodland caribou lineage. [11] [12]
These caribou were at very low densities during the mid-20th century and only started recovering about 30 years ago. The main distribution during the calving and fall seasons is on Victoria Island and since the 1960s Dolphin-Union Caribou resumed their migration to winter on the Nunavut-NWT mainland.