摘要
以2011—2015年全国林业有害生物发生数据为依据,分析了近年来中国林业有害生物灾害发生特征。结果表明,中国林业生物灾害偏重发生,呈现出传播速度快、防控难度大、发生面积广、外来物种入侵和扩散严峻、毁林严重、复发次数多的阶段性特征。对林业有害生物的未来发生趋势进行了预测。
The occurrence characteristics of forest pest in recent years was analyzed based on the forest pest data in China from 2011 to 2015. The results showed that the forest pest occurred heavily, displayed the stage characteristics of spreading quickly, being centrolled difficultly, occurring in large square, invasive species invading and spreading severely, damaging forest seriously, recurring frequrently. The occurrence tendency of forest pest in future was forecasted.
作者
赫传杰
HE Chuanjie(General Station of Forest Pest Management, State Forestry Administration, Shenyang 110034, China)
出处
《中国森林病虫》
北大核心
2017年第4期4-7,共4页
Forest Pest and Disease
关键词
林业有害生物
灾害
发生特征
分析
forest pest
disasters
occurrence characteristics
analysis
