科尔沁草原区火电厂储灰池植被恢复及其植物种类动态

通过实地调查,对通辽发电总厂3个储灰池不同时间植被恢复及其植物种类动态进行了比较分析。结果表明,在3个正在植被恢复的储灰池中,共出现62种植物,隶属于20个科,47个属。其中,恢复10年区共有植物59种,恢复7年区48种,恢复4年区38种。3个植被恢复区均以禾本科和豆科植物占优势地位,总盖度在85％以上。恢复区的镶嵌群落以根茎植物为主。在Raunkiaer生活型谱中,3个植被恢复区均以一年生植物的比例最大。

Vegetative Restoration and Dynamic of the Species in Storage Pools of Coal Ash in General Firepower Plant in Kerqin Grassland Region

Through field investigation in three storage pools of coal ash in the general firepower plant in Tongliao, the vegetative restoration and dynamic of the species in different time were comparatively analyzed. The results showed that there were 62 specie plants in three storage pools, subject to 20 families and 47 gena. There are 59 specie plants in 10 years restoration plot, 48 specie plants in 7 years restoration plot and 38 specie plants in 4 years restoration plot. In all three vegetative restoration areas, Gramineous and Leguminous plants occupied the dominance position, which general coverage degrees were more than 85 percent. But in the inlaid community there was more rhizome plants. In the spectrum of life form of Raunkiaer, the annual plant has the most proportion in al three vegetative restoration areas.