摘要
楚雄市现有水土流失面积 2 2 68 31km2 ,占土地总面积的 5 1 2 % ,全市平均土壤侵蚀总量为833 12万t,平均侵蚀模数为 1880 5 1t/km2 ·a。降雨是形成水土流失的重要自然因素 ,毁林开荒、开矿、修路则是人为因素。详述了所造成的经济损失分析 。
The area of soil and water loss today in Chuxiong is 2268 31 km 2, it is the 51 2percent of the total area. The total number of average soil erosion in the whole city is 83,312,00 ton, the average erosion modulus is 1880.51t/km 2.a. The rainfall is the main natural factor that leads to soil and water loss. Human being make deforestation of land reclamation, mining and constructing the road. The article analyzes the economic loss and the situation of water and soil conservation in detail.
出处
《云南环境科学》
2003年第B03期115-117,共3页
Yunnan Environmental Science
