In view of plant-insect evolutional relation, there are four different outbreaks of catastrophic forest pest.
依据植物与昆虫的进化关系原理分析害虫的发生机制,当今林业害虫可以分为以下四种不同的类型:(1)外来树种诱发本地林业害虫。
参考来源 - 从昆虫与植物的进化关系看当今林业害虫的发生与治理对策·2,447,543篇论文数据，部分数据来源于NoteExpress
Forest health is a new theory produced in control practice of forest pest and fire in recent ten years.
森林健康是美国近十多年来在森林病虫火防治实践中形成的一种新的理论。
The recent years' advance in both monitoring and management for forest pest home and abroad are discussed.
文章系统论述了国内外近年来在森林害虫监测和治理方面的研究进展。
Based on the natural properties in forest pest disasters, the evaluation system of the (economic) losses of forest pest disasters was explored.
文章从森林病虫害灾害的自然属性出发，对森林病虫害灾害的经济损失评估指标体系的建立进行了探索。
应用推荐