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在马莲河生态修复项目区共布设植被监测典型样区12个,对2004—2006年项目实施后的生态效益进行了分析。结果表明:生态修复区植被覆盖度由项目实施前的38.4%提高到64.5%;植物种类、乔木郁闭度、植株的年生长高度、年单位面积产草量均有所增加;林草措施固定CO2、生产O2、吸收SO2、阻滞降尘的量分别为309.45、225.06、233.6、17.63 t,生态环境效益显著。
In Malianhe Ecological Rehabilitation Project Area, a total of 12 typical vegetation monitoring sample areas were set up to analyze the ecological benefits after the implementation of the project from 2004 to 2006. The results showed that the vegetation coverage in the ecological restoration area increased from 38.4% before the project implementation to 64.5%; the species of plant, the canopy density of trees, the annual growth height of plants and the annual grass yield per unit area increased; the grass and grass measures were fixed CO2, production of O2, absorption of SO2, and retarding of dustfall were 309.45,225.06,233.6,17.63 t, respectively. The ecological environment benefits significantly.