https://doi.org/10.1351/goldbook.14618
- Any of a number of regions into which a continent, country, etc., can be divided according to their distinct environmental conditions and habitat types.
- Large area of land or water with a characteristic, geographically distinct assemblage of natural communities and species comprising a recurring pattern of ecosystems associated with characteristic combinations of soil and landform.
Note: The biodiversity of ecosystems in an ecoregion is often distinct from that of other ecoregions.