Balancing livestock and environment; the grazing system
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While the contribution of grazing systems to the world's meat supply is limited (nine percent of the global beef and thirty percent of the global mutton production), grazing systems have the most direct interface between livestock and land, water and bio-diversity, and cover the majority of the usable surface of the earth. They thus merit considerable attention in the livestock-environment debate. This presentation will first highlight the vast differences between the different grazing systems i n the various ecological zones, and then define, for each of these production systems, the main pressures it is subjected to, the main evolution of the world's grazing resources, and the key responses needed to arrive at their more sustainable use. As such, this presentation closely follows the Pressure State Response model, outlined in an earlier presentation.