Grasses and Grassland Ecology

Grasslands, in particular managed pastures and rangelands, are widespread, covering approximately 40% (52 million km²) of the Earth''s land surface. They are dominated by members of the Poaceae - the fourth largest plant family with over 7,500 species, and also the most widespread. Grasslands constitute a major biome on all continents except Antarctica and also represent the most important food cr...