
In ecology, autogenic succession is succession driven by the biotic components of an ecosystem. In contrast, allogenic succession is driven by the abiotic components of the ecosystem. == How it occurs == The plants themselves (biotic components) cause succession to occur. These aspects lead to a gradual ecological change in a particular spot of la...
Found on
http://en.wikipedia.org/wiki/Autogenic_succession

Succession where the plant community causes the environment to change and this modification drives the succession.
Found on
http://www.physicalgeography.net/physgeoglos/a.html
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