塞罕坝森林公园林业有害生物危害种类及传播途径

Study of Types of Hazards and Harmful Biology of Forestry Pest in Saihanba Forest Park

以塞罕坝森林公园为研究对象,对其林业有害生物的种类和传播途径进行了实地调查,并分析了有害生物的分布状况及危害程度。结果表明:鉴定有害生物126种,包括有害微生物15种、有害昆虫111种,其中危害叶部的物种占大多数、分别为93%、83%,传播途径主要集中在外地传入和本地原有的有害生物,危害方式主要包括危害苗圃苗木和危害木材两种。

Taking SaihanbaForest Park as a resarch object ,this study conductedanfield surveyof the species andtransmission waysof the forestry harmful organismsand analyzed the distribution and the damage degree of the pest .T he results show that262kinds ofharmful organisms are foundincluding 151 kinds of harmful in-sects and 111 kinds of harmful microorganisms ,of w hich 93% and 83% respectivelydo harmto the leavesof trees ;the pests aremainlytransmittedthroughimport and native grow th ,and theymainlyhurtnursery seedling-sandwood .