摘要
花江石漠化综合防治工程自1991—2003年治理石漠化面积47.63 km2,其中,轻度以上石漠化面积30.88 km2,占总面积的65%。通过山坡下部坡改梯,种植花椒和砂仁等经果林,配套小型水利水保工程,以及山坡上部加强植被管护,发挥生态自我修复能力等措施,石漠化的发展得到有效遏制。项目区贫困人口由1997年的3 072人减少到2003年的764人,年人均纯收入由120元增加到1 800元,林灌草覆盖率由14.16%增加到21.29%。该项目为今后大规模治理石漠化积累了经验。
Rocky desertification is one of the most serious problems on economic development and eco-environment conservation in Guizhou Province. Combined with the project of rocky desertification combating in Guanling County from 1991 to 2003, the degenerated area of 47.63 km^2 has been controlled. In this paper the experiences including the measures and the eco-economic benefits were introduced.
出处
《中国水土保持科学》
CSCD
2007年第2期51-54,共4页
Science of Soil and Water Conservation
关键词
水土流失
石漠化综合防治
贵州
关岭
soil and water losses
combating rocky desertification
Guizhou
Guanling
