Tierras de pastos

Protected areas (PAs) cover 12� % of terrestrial sub-Saharan Africa. However, given the inherent inadequacies of these PAs to cater for all species in conjunction with the effects of climate change and human pressures on PAs, the future of biodiversity depends heavily on the 88� % of land that is unprotected.

Vertical vegetation structure in rangeland ecosystems can be a valuable indicator for monitoring rangeland health or progress toward management objectives because of its importance for assessing riparian areas, post-fire recovery, wind erosion, and wildlife habitat.

In the western United States, livestock grazing often co-exists with recreation, cultural resource management and biodiversity protection on federal and state protected rangelands as well as on many local government open space areas.

Complete issue of Agriculture for Development 22.
Articles:
Pachauri R. Climate change and agriculture in the Fifth Assessment Report.
Beddington J, Warham E. Climate change and sustainable agricultural technologies.
Campbell B. Climate change, agriculture and food security: from local action to global agreements.