Assertion: grassland | /r/HasProperty | the largest ecosystems
Facets:
value: in the world
type: LOCATION
Source sentences:
text: Grasslands in the wider sense are among the largest ecosystems in the world (Figure 1.1); their area is estimated at 52.5 million square kilometres, or 40.5 percent of the terrestrial area excluding Greenland and Antarctica (World Resources Institute, 2000, based on IGBP data).