XIE Yao-wen,CHEN Huai-lu,XU Ke-bin.The Dynamic Changes of Soil Erosion and Controlling Methods in Dingxi Region, Gansu Province[J].Research of Soil and Water Conservation,2002,9(04):125-127,132.
甘肃省定西地区土壤侵蚀的动态变化及治理措施
- Title:
- The Dynamic Changes of Soil Erosion and Controlling Methods in Dingxi Region, Gansu Province
- 分类号:
- S157.1
- 摘要:
- 严重的土壤侵蚀是定西地区生态环境恶化的主要原因，也是社会经济发展的主要限制性因素之一。对1995年和2000年两期土壤侵蚀遥感调查结果的对比分析显示：5年来定西地区土壤侵蚀面积减少1446.39km2，减少7.36%，侵蚀程度整体上也有所减轻，表明水土保持工作取得了一定成效。但土壤侵蚀面积仍然占土地总面积的80%以上，水土保持的任务还相当艰巨。积极开展新形势下的水土保持是定西地区实现山川秀美、脱贫致富和可持续发展的根本途径，文章提出若干具体的治理措施。
- Abstract:
- Severe soil erosion is the main cause of environment deterioration in Dingxi region, Gansu Province, and it is also one of the main limitations to the development in this area.After a comparison between the investigation results of 1995 and that of 2000, the result shows that the soil erosion area reduced 1 446.39 km2, or 7.36% in Dingxi region.Although some results had been achieved, the area of soil erosion still accounts for 80% of the total area.The authors put forward some concrete methods for soil erosion control.
参考文献/References:
[1] 甘肃省土壤侵蚀遥感调查项目组.甘肃省土壤侵蚀遥感调查技术报告[R].1999年.
[2] 甘肃省水土保持监测总站.甘肃省第三次土壤侵蚀遥感调查成果报告[R].2001年.
[3] 陈怀录,张旺锋,等.西部贫困地区可持续发展理论与方法——以甘肃省定西地区为例[M].兰州:兰州大学出版社.2001.
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备注/Memo
收稿日期:2002-3-20
作者简介:颉耀文，男，（1969- ），讲师，主要从事地图、遥感、GIS与GPS的教学与研究工作。