摘要
本文从生态学观点论述了陕西榆林沙区林木害虫的主要种类、分布和发生为害特点,并对今后的防治和研究工作提出了一些方向性意见。
The major species,distribution,occurrence and infestation features of forest pests in sandy area Yulin were discussed through the ecolo- gical view,some of constructive suggestions on the pest control and further study are also given.
出处
《陕西林业科技》
北大核心
1990年第2期28-32,35,共6页
Shaanxi Forest Science and Technology
