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Models and mechanisms of succession Initial Floristics model
– Mechanism: Tolerance, where the species
that are tolerant of the environmental
conditions early in succession dominate later
– Mechanism: Inhibition, where the species
that first establish in an area modify the
environment to make it unsuitable for all
other species How do communities change over time?
Testing mechanisms of succession on Mt. St. Helens
• Erupted May 18th,1980
• Experiment to test whether
the mechanism of
succession at Mt. St.
Helens was facilitation,
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This document was uploaded on 03/10/2014 for the course BIOL 2060 at University of Guelph.
- Fall '12