Grasslands, in particular managed pastures and rangelands, are widespread, covering approximately 40% (52 million km ) 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 crop on Earth with corn, wheat, maize, rice and millet accounting for the majority of our agricultural output.
Grasses and Grassland Ecology provides an ecologically orientated introduction to this...