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机构地区:[1]甘肃祁连山国家级自然保护区管理局,甘肃张掖734000 [2]张掖地区林业勘察设计队,甘肃张掖734000
出 处:《北华大学学报(自然科学版)》2003年第2期159-165,共7页Journal of Beihua University(Natural Science)
基 金:甘肃省科技攻关项目(GS993-A41-020)
摘 要:应用森林健康理论,分析得出威胁祁连山森林健康的主要自然灾害为病虫鼠害、雪折、风倒滑坡、气候干旱及森林组成和林分结构不合理;主要人为破坏活动为过度放牧、毁林开荒、乱砍滥樵、乱采滥挖、乱捕滥猎等.提出了保护和恢复祁连山森林健康的策略:全程计划、加强预防、严格封锁、严密监测、科学防治、合理利用、大力建设、广泛合作.针对祁连山北坡森林类型,提出了相应的健康维护的技术措施.According to the theory of forestry health, the forestry health in Qilian Mountain is affected by mice pest, snow break, landslide, drought and unreasonal forestry stand structure and so on. The main artificial destroy are as follows: indiscriminating felling of trees, disafforestation, overgrazing and so on. The strategies on conservation and instauration of forest health in Qilian Mountain were presented, the whole plan, enhancing precaution, strick survey, reasonal prevention and application and so on. The relative measurements on preventing forest health was presented about forest type of north slope in Qilian Mountain.
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