Th rough op t im izat ion of the alp ine grassland - Gan suwapitip roduct ion system on the Sunan deer farm , economic benefit increased 3.3 times and benefit fluctuat ion risk reduced 2. 7 times.

• 肃南鹿场高山草原-甘肃马鹿生产系统通过完善生产层次；经济效益提高3.；3倍；效益波动降低2