- In regions where annual rainfall is not sufficient to sustain the growth of trees and evaporation rates are high we find the grassland of the world. Example of such a biome is the Savannah. The dominance of grass and herds of grazing animals characterize all. Carnivores are also abundant. Such biome has a higher concentration of organic matter in its soil than does any other biome, the amount of humus being 12 times greater than that in forested soils.
In this article we will discuss Grassland