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WWF Ecoregions - Major Habitat Types (Biomes) Legend
Entry ID: geodata_1026

Abstract: An ecoregion is defined as a large area of land or water that contains a geographically distinct assemblage of natural communities that
(a) share a large majority of their species and ecological dynamics;
(b) share similar environmental conditions, and;
(c) interact ecologically in ways that are critical for their long-term persiste.

BIOME (Formally known as Major Habitat Types or MHTs) - Broad kinds of ecoregions that:
a) Experience comparable climatic regimes;
b) Have similar vegetation structure;
c) Display similar spatial patterns of biodiversity; and
d) Contain flora and fauna with similar guild structures and life histories.
e) Similar minimum requirements and thresholds for maintaining certain biodiversity features.
f) Have similar sensitivities to human disturbance.
Related URL
Description: Search and access the data from the UNEP Environmental Data Explorer.
Geographic Coverage
Spatial coordinates   
  N: -60.5   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Title: WWF Ecoregions - Major Habitat Types (Biomes) Legend
Dataset Release Date: 2002-01-01T00:00:00.000Z
Version: Not provided
Temporal Coverage
Start Date: 2001-01-01
Stop Date: 2001-12-31
Use Constraints Public
Data Center
World Wildlife Fund Supplemental Info
Data Center URL:

Data Center Personnel
Name: WWF
Phone: (202) 293-4800
Email: info at
Contact Address:
World Wildlife Fund
1250 24th Street N.W.
City: Washington
Province or State: DC
Postal Code: 20037
Country: USA
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Email: geo at
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2013-02-21
Last DIF Revision Date: 2018-05-25