Biome
Definition(s)
A distinct ecological region chacterized by its climate, major biological community and dominat vegetation. Terrestrial biomes include: grassland, tundra, desert, tropical rainforest, and deciduous and confierous forests. (draft: AAM)
A major portion of the living environment of a particular region (such as a fir forest or grassland), characterised by its distinctive vegetation and maintained largely by local climatic conditions. (Source: CBD)