Biochore

A biochore is a subdivision of the biosphere consisting of biotopes that resemble one another and thus are colonized by similar vegetation. ...
Found on http://en.wikipedia.org/wiki/Biochore

biochore

biochore 1. That part of the earth's surface that is able to support plant and animal life. 2. The geographical environment in which certain life forms are dominant. 3. The boundary of a floral or faunal region. 4. The climatic boundary of a floral region as indicated by the vegetation in the area.
Found on http://www.wordinfo.info/words/index/info/view_unit/459/
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