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根据当前我国林业外来有害生物入侵形势,结合北京市门头沟区古树资源情况和林业有害生物发生实际,对门头沟区古树立地条件、生理条件以及有害生物入侵趋势进行了分析研究。同时,提出了保护古树的复壮措施和防范外来有害生物入侵的方法,从而为有效保护古树资源提供了理论和实践依据。
According to the present situation of invasion of exotic pests in forestry in our country, combining with the situation of ancient tree resources in Beijing Mentougou and the actual occurrence of forestry pests, the establishment conditions, physiological conditions and pest invasion trends of ancient trees in Mentougou District were analyzed. At the same time, the measures to protect the rejuvenation of old trees and prevent the invasion of alien pests are put forward, which provides the theoretical and practical basis for the effective protection of ancient tree resources.