Bioregion

A bioregion is an ecologically and geographically defined area that is smaller than an ecozone, but larger than an ecoregion and an ecosystem. ...
Found on http://en.wikipedia.org/wiki/Bioregion

bioregion

(ecoregion) an area comprising a natural ecological community and bounded by natural borders.
Found on http://en.wikipedia.org/wiki/Glossary_of_environmental_science

bioregion

(ecoregion) an area comprising a natural ecological community and bounded by natural borders.
Found on http://www.translationdirectory.com/glossaries/glossary306.php

Bioregion

a specific region containing life.
Found on https://www.dancingrabbit.org/about-dancing-rabbit-ecovillage/vision/sustai

Bioregion

A unique region on the Earth that has distinct soils, landforms, watersheds, climates, native plants, and animals, and/or other particular natural characteristics.
Found on http://www.physicalgeography.net/physgeoglos/b.html

bioregion

bioregion 1. A unique area with distinctive soils, landforms, climates, and indigenous plants and animals. 2. A place, locale, or area that constitutes a natural ecological community.
Found on http://www.wordinfo.info/words/index/info/view_unit/1835/
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