北京春天白絮飘飘，好似大雪降京城。为改变这一现状，林业部门拟在２０００年春将用黄金槐等３００万株新树种替代杨树上岗，届时主要干线公路、城镇、重点风景区白絮乱飞的现象将大有好转。毛白杨是京城平原绿化的当家树种，雌性杨树春季飘白絮，严重影响了京城环境。市林业 Beijing white fluttering spring, like snow fell to the capital. In order to change this situation, the forestry department plans to replace poplar with 3.0 million new trees, such as the golden locust tree, in the spring of 2000. By then, the phenomenon of unbridled fluttering of major highways, towns and key scenic spots will be greatly improved. Poplar is the original planted trees in the plains of Beijing, the female poplar fluttering white flocculus, seriously affecting the capital environment. City forestry