How does disturbance shape Canada’s forests 

Fire, insects and disease constantly affect Canada’s forests. They renew whole forest landscapes and shape forest composition, structure and habitat diversity over time.

These natural disturbances – and others such as drought, floods and wind storms – vary in severity, extent and frequency, and their relative importance varies from region to region and over time. The result is that Canada’s forests are all part of a dynamic landscape, one that has always been in a constant state of change.

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