Table 2.

The description of the grassland types in IGBP class scheme.

Grassland types	Description
Closed Shrublands	Lands with woody vegetation with a height less than 2 meters. The total percent cover, including the herbaceous understory, exceeds 60%. The shrub foliage can be either evergreen or deciduous.
Open Shrublands	Lands with woody vegetation with a height less than 2 meters, and sparse herbaceous understory. Total percent cover is less than 60%. The shrub foliage can be either evergreen or deciduous.
Woody Savannas	Lands with and herbaceous understory, typically graminoids, and with tree and shrub cover between 30 and 60%. The tree and shrub cover height exceeds 2 meters.
Savannas	Lands with an herbaceous understory, typically graminoids, and with tree and shrub cover between 10 and 30%. The tree and shrub cover height exceeds 2 meters.
Non-woodyGrasslands	Lands with herbaceous types of cover, typically graminoids. Tree and shrub cover is less than 10%.