以可持续发展理论为指导 ,结合国家西部大开发的优惠政策及祁连山水源涵养林的具体情况 ,分析了祁连山生态林业建设的必要性及其可持续发展的可能性。在此基础上对祁连山水源涵养林的建群种——青海云杉的经营对策进行了浅谈 ,从理论上确定了祁连山水源涵养林中青海云杉林抚育采伐强度为 2 0 % ,抚育间隔期为 1 5年。 Guided by the theory of sustainable development and combined with the preferential policies of national western development and the specific conditions of water conservation forests in Qilian Mountains, the necessity of ecological forestry construction and the possibility of sustainable development in Qilian Mountains were analyzed. Based on this, the management strategies of Qinghai spruce (Picea crassifolia), a tree species of water conservation forest in Qilian Mountains, were discussed. It was theoretically determined that the tending strength of spruce cultivation in Qinghai spruce forest in Qilian Mountains was 20% The period is 15 years.