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Caribou in the Sub-Arctic
1964, production : Dalton Muir
The main factors leading to caribou declines are: habitat...
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Caribou in the Sub-Arctic
Photographer unknown, photograph

The main factors leading to caribou declines are: habitat loss occurring, for example, when forest is cleared for agriculture; habitat degradation, involving the reduction in the amount or quality of habitat from forest fires or human disturbance; the breaking-up of habitats by roads, timber harvest, pipelines and oil well sites.

National Film Board of Canada