Parks Canada Banner
Français Contact Us Help Search Canada Site
About the Parks Canada Agency National Parks of Canada National Historic Sites of Canada National Marine Conservation Areas of Canada Cultural Heritage
Natural Heritage
Parks Canada Home
Search
Enter a keyword:

Special Places: Eco-lessons from the National Parks in Atlantic Canada

Diagram: Biology of Small Populations

Diagram
Populations naturally fluctuate. For small populations, a threshold population size exists. Once the threshold is crossed (*), the population cannot recover and it declines to extinction.
© Parks Canada
Last Updated: 2004-04-22 To the top
To the top		 Important Notices