Unit 8: Ecology
Conservation Biology and Restoration Ecology
Human activities are destroying and degrading natural
resulting in the
Most species loss can be traced to four major threats:
can displace native species and disrupt their adopted communities.
population size and reduce
Conserving endangered and threatened species:
Small-population approach: a small population is prone to
-feedback loops that draw the population down an
Declining-population approach: study populations that show a
trend, and take proactive
to halt the decline.
Landscape ecology and ecosystem management:
between natural ecosystems are called
and are zones of rich biodiversity, but artificial edges often
areas, especially in
are an alternative in heavily populated areas.
ecology attempts to restore degraded ecosystems to a more natural
Ultimately, the drive for
may be based on
Jul 28, 2009