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彰武县位于内蒙古科尔沁沙地前沿,是辽宁省风沙危害较严重的县份之一,自2008年起全面实施河道生态工程建设,采取“宜林则林、宜草则草”、“乔、灌、草”相结合及“谁造谁有”的原则,取得了阶段性成果。到2011年末,全县累计完成河道生态工程建设面积5 130 hm2,为计划任务的109.8%。苗木成活率85%以上,达到验收标准。据监测,河道生态工程建设项目实施后,平均风速同比减少24.3%;沙尘暴时间同比减少36.4%。彰武县森林覆盖率提高了1.4%,使河流成为水清、草绿、林茂的绿色通道。
Located in the frontier of Horqin Sandy Land in Inner Mongolia, Zhangwu County is one of the harms-harming counties in Liaoning Province. Since 2008, it has fully implemented the construction of river ecological engineering and adopted the principle of “ Joe, irrigation, grass ”and “ who created ”principle, and achieved initial results. By the end of 2011, the county has completed a total area of 5 130 hm 2 of river ecological construction, accounting for 109.8% of the planned task. Seedling survival rate of 85% or more, to meet the acceptance criteria. According to the monitoring, mean wind speed decreased by 24.3% as compared with the same period of last year after the implementation of the river ecological engineering construction project; the dust storm time decreased by 36.4% over the same period of previous year. The forest coverage rate in Zhangwu County increased by 1.4%, making the river a green channel with clear water, green grass and green forest.