摘要
利用卫星遥感资料结合全国耕地地力调查与质量评价项目的实施,在内蒙古呼伦贝尔市大兴安岭东麓低山丘陵黑土区进行了土壤侵蚀现状调查研究,摸清了该地区土壤侵蚀现状。结果表明,该地区国土面积的29.83%、耕地面积的55.94%已经产生了水土流失,年流失表土层总量达916.74万t,已对当地人民的生产生活产生了严重影响。
A survey has been carried out of soil erosion in the black soil area at the east piedmont of the Great Xingan Mountains in Hulunbuir, by making use of satellite remote sensing data available and findings of the national survey of soil fertility and assessment of soil quality of croplands. The results showed that soil erosion were found affecting 29.83 % of the total land area or 55.94 % of the cultivated area, resulting in the loss of 9.1674 million tons of soil from the surface layer of the land, which has already seriously affected the life and production of the local people.
出处
《土壤》
CAS
CSCD
北大核心
2005年第4期439-446,共8页
Soils
基金
2003年农业部耕地地力调查与质量评价项目资助。
关键词
黑土区
耕地
侵蚀
土壤退化
Black soil area, Cultivated land, Erosion, Soil degradation
