天山中东部林区,是新疆开发最早的林区.长期以来,由于过度采伐,林地环境条件恶化.以及林牧矛盾的影响,森林更新比较困难.为采索有效的更新方式、方法,1963—1967年,林科所协同阜康和乌鲁木齐南山林场,开展了云杉混交林的研究工作,试验分别设在高山、亚高山以及浅山地带. In the middle and eastern part of Tianshan Mountains, Xinjiang is the earliest developed forest region in Xinjiang.For a long time, due to over-harvesting, deteriorating forest environmental conditions and the impact of the conflict between forestry and animal husbandry, forest renewal is more difficult.For the effective retrieval methods, methods, In 1967, Linke cooperated with Fukang and Nanshan Forest Farm in Urumqi to carry out research work on mixed spruce forests. The experiments were conducted on alpine, sub-alpine and shallow mountain areas respectively.