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  [Aroid-l] Invasiveness Criteria
From: IntarsiaCo at aol.com on 2004.08.30 at 19:38:15(12126)
The complete criteria developed at University of Connecticut for invasiveness
may be seen at:


They include:

1. Nonindigenous
2. Naturalized.
3. Have the biologic potential for rapid and widespread dispersion and
4. Have the biologic potential for dispersing over spatial gaps away from
site of introduction
5. Have the biologic potential for existing in high numbers away from
intensively managed artificial habitats. Further, to be included as a Non-native
Invasive Species, a species must be documented to:
6. Be widespread or at least common in a region or habitat type(s).
7. Have numerous individuals in many populations.
8. Be able to out-compete other species in the same natural plant community.
9. Have the potential for rapid growth, high seed or propagule production and
dissemination, and establishment in natural plant communities.

Mark Mazer
Intarsia Ltd.

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