黄土高原区开荒扩种时间变化的研究  

A Study on Temporal Variation of Reclamation on the Loess Plateau

作　　者：王斌科[1] 唐克丽[1] 

机构地区：[1]中国科学院,水利部西北水土保持研究所,陕西杨陵712100

出　　处：《水土保持学报》1992年第2期63-67,共5页Journal of Soil and Water Conservation

摘　　要：在以前工作的基础上,通过对比分析安塞,神木、府谷等6县的开荒、人口和耕地统计资料,结合野外考察和典型调查,对陕北黄土高原地区近40年来开荒扩种的时间变化,环境背景和形成原因等作了初步分析,为揭示开荒与人为加速侵蚀的相互关系提供了依据。In this paper, temporal variation,environmental background and cause of excessive reclamation on the Loess Plateau over recent 40 years was preliminarily studied based on the previous research, by analysing statistical data on reclamation, population and farmland area of the sample 6 Counties like An sai and Shenmu etc. This provides scientific basis for revealing the relation between reclamation and manmade accelerated erosion. Combind with field investigation and typical survey.

关 键 词：黄土高原 开荒扩种 水土保持 

分 类 号：S157.3[农业科学—土壤学]