An ecozone may refer to:
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Biogeographic realm
A biogeographic realm is the broadest biogeography, biogeographic division of Earth's land surface, based on distributional patterns of terrestrial animal, terrestrial organisms. They are subdivided into bioregions, which are further subdivid ...
, the broadest biogeographic division of Earth's land surface (referred to as ''ecozone'' by BBC)
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Biome
A biome () is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. In 1935, Tansley added the ...
, a large collection of flora and fauna occupying a major habitat
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Bioregion, an ecologically and geographically defined area that is smaller than a biogeographical realm, but larger than an ecoregion
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Ecoregion
An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...
, an ecologically and geographically defined area that is smaller than a bioregion
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Ecozone (Canada), one of 15 first-level ecological land classifications in Canada
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Biogeography