Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Tropical and subtropical grasslands, savannas, and shrublands are a grassland biome located in semi-arid to semi-humid climate regions of subtropical and tropical latitudes. Grasslands are dominated by grass and other herbaceous plants. Savannas are grasslands with scattered trees. Shrublands are dominated by woody or herbaceous shrubs. Rainfall in tropical and subtropical grasslands, savannas, and shrublands is between 450 and 1500 millimeters (20 to 60 inches) a year, and can be highly seasonal, with the entire year''s rainfall sometimes occurring within a couple of weeks. Tropical and subtropical grasslands, savannas, and shrublands occur on all continents but Antarctica.