The decline in native grasses and grasslands in the last two centuries has been caused by intensive cultivation, poorly managed grazing, urbanization, fire suppression, and the introduction of invasive, nonnative species. Agriculture, invasion by exotic species, development, and other human-related activities have reduced California native grasslands by 99%.
![BRASIL vs. PERÚ [4-0] | RESUMEN | ELIMINATORIAS SUDAMERICANAS | FECHA 10](http://i.ytimg.com/vi/tbyOJKXfQnI/mqdefault.jpg)
The decline in native grasses and grasslands in the last two centuries has been caused by intensive cultivation, poorly managed grazing, urbanization, fire suppression, and the introduction of invasive, nonnative species.
Agriculture, invasion by exotic species, development, and other human-related activities have reduced California native grasslands by 99%.