Hambler C, Canney SM, Coe MJ, Henderson PA, Illius AWJune 2007Journal article Journal:Science (New York, N.Y.)Volume:316Issue:5831, pp.1564 - 1567No abstract availableKeywords:Animals , Animals, Domestic , Ecosystem , Biodiversity , Population Density , Agriculture DOI10.1126/science.316.5831.1564d