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摘要: With calls to replace some of Australia's domestic livestock production with native alternatives, we investigate a multi-species grazing scenario. As part portfolio optimisation analysis the stocking options, model is needed determine populations different species over time. A system differential equations used simulate interactions between cattle and kangaroos in Australian rangelands. They are explore possibility converting property from one focussing on stock, this case cattle, roving kangaroos. Of particular interest income commodities produced effects macropods breeding rate migration financial returns.