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...Ecological applications pp by the society of america ecosystem structure function and composition in rangelands are negatively affected livestock grazing david j eldridge alistair g b poore marta ruiz colmenero mike letnic santiago soliveres evolution ecology research centre school biological earth environmental sciences university new south wales sydney australia for science institute plant bern altenbergrain switzerland abstract reports positive or neutral effects on species richness have prompted calls to be used as a tool managing land conservation however likely vary among different response variables types intensity across abiotic conditions we aimed examine how affects compiled database records reporting an effect sheep cattle biotic published studies using these data derived three measures based which were compared against six contrasts pressure ranging from low heavy two herbivores climatic zones reduced but not declined more when grazed together than alone biomass animal abun...