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出 处:《林业勘查设计》2015年第2期62-63,共2页Forest Investigation Design
摘 要:森林病害调查是开展森林病虫害预测预报、防治检疫的基础。结合大兴安岭西林吉林业局的实际情况,对该局的不同森林类型开展森林病害情况调查,查清该地区的病害种类、数量、分布区域、生态条件、发生情况和危害程度,并分析其动态变化情况与森林内部结构、外部形态的关系和病害的发生、发展趋势,达到积极控制病害不成灾、不成害,以促进林分的正常生长,保持西林吉林业局各林场完整的生态体系。Forest disease investigation is to carry out the basis of forest diseases and insect pests forecasting,prevention and quarantine. Combined with the actual situation,Westwood's forestry bureau,the bureau of investigating the situation of different forest types of forest plant disease,the purpose is to find out the region's disease species,quantity,distribution area,ecological conditions,the occurrence and damage degree. And analyzes the changes and the forest internal structure and external form and disease occurrence,development trend,the relationship between positive control disease don't run,no pollution,so as to promote the stand of normal growth,Westwood's forestry bureau,in order to keep the forest farm complete ecological system. Provide scientific basis for disease prevention and control of forest.
分 类 号:S763.1[农业科学—森林保护学]
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