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贵州省习水县是革命老区,也是国家级重点扶贫县。该县境内岩体破碎,地质结构复杂,加之历史上多次乱垦乱伐,植被破坏严重,生态脆弱,泥石流、滑坡、河道断流等灾害性现象频繁发生。据2001年统计,全县水土流失率就高达50%,且呈恶化趋势。2002年11月,习水县委、政府把全县荒山造林
Xishui County, Guizhou Province is an old revolutionary base areas, but also a national key poverty alleviation counties. The rock mass in the county is fragmented and the geological structure is complicated. In addition, many times in the past, the vegetation has been severely damaged and the vegetation is fragile. The disastrous phenomena such as landslides, landslides and river discontinuities occur frequently. According to the statistics of 2001, the rate of water and soil loss in the whole county is as high as 50% and shows a worsening trend. November 2002, Xiushui county Party committee, the government afforestation of the county barren hills