The decline of Canada’s caribou

Caribou is a species of deer with the circumpolar distribution, native to Arctic, sub-Arctic, tundra, boreal and mountainous regions of northern Europe, Siberia, and North America.

The North American range of caribou extends from Alaska through the Yukon, the Northwest Territories and Nunavut into the boreal forest and south through the Canadian Rockies and the Columbia and Selkirk Mountains.

The map below a snapshot of the status of Canada’s caribou herds. The large spheres show the largest estimated population of each herd, while the smaller colored spheres show the current estimated population.

Canada's Declining Caribou Population Chris Brackley (Canadian Geographic)
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Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.