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
A bioregion is a geographical area, on land or at sea, defined not by administrative boundaries, but by distinct characteristics such as plant and animal species, ecological systems, soils and landforms, Human settlement, human settlements, and ...
, 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)
Canada has 20 major ecosystems—ecozones, comprising 15 terrestrial units and 5 marine units. These ecozones are further subdivided into 53 ecoprovinces, 194 ecoregions, and 1,027 ecodistricts. These form the country's ecological land classi ...
, one of 15 first-level ecological land classifications in Canada
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Biogeography