顺义区位于北京市的东北部,平原面积达到了95%以上,山区面积很少,林地面积42万余亩,其中杨树林地面积达20余万亩,且杨树纯林面积占有的比例也比较高;潮白河和温榆河流经本区,101国道、顺平路、京城高速等多条公路贯穿我区,所以早春杨树虫害的防治是顺义区全年病虫害防治的基础,也是保证顺义区绿色景观完整的重要部分。 Shunyi District is located in the northeast of Beijing, the plains area reached more than 95%, the mountainous area is very small, more than 420,000 acres of woodland area, of which more than 20 acres of poplar woodland area, and the proportion of pure poplar area is also relatively high ; Chaobai River and Wenyu River flow through the district, 101 State Road, Shunping Road, the capital high-speed highway runs through our district, so early spring poplar pest control is the basis for pest and disease control in Shunyi District, but also to ensure Shunyi District green The important part of the landscape is complete.