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BIO 220 Exam 3 Study Guide

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16. Gap analysis - seeks out unprotected landscapes rich in species 17. Habitat Protection: o 4 principles: o Protect enough habitat for viability of all native species in a given region o Manage ... at regional scale large enough to accommodate natural disturbances o Plan over a period of centuries for the evolution of the ecosystem o Allow for human use at a level that does not result in significant ecological degradation 18. Ecological Succession  Primary Succession - A community begins to develop on a site previously unoccupied by living organisms. Example: A lava flow creates a new land area that is colonized. The first colonists are termed pioneer species.  Secondary Succession - an existing community is disrupted and a new one subsequently develops at the site  Climax community - community that develops last and remains the longest [Show More]

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