晋陕蒙接壤区土地退化及其治理预测  

PREDICTION ON LAND DEGRADATION AND CONTROL IN CONTIGUOUS AREA OF JIN-SHAN-MONG

作　　者：文子祥[1] 

机构地区：[1]中国科学院沙漠研究所

出　　处：《自然资源》1995年第5期52-57,共6页

摘　　要：本区土地退化主要有水土流失、风蚀沙化、草场退化、次生盐渍化、土壤贫瘠化５种类型。根据土地综合评价值计算，１６个县土地退化总面积２１９５５．２５ｋｍ２，所造成的经济损失十分巨大．为此，提出了重点治理区和一般治理区的治理预测，其中包括治理目标、治理重点、治理措施和治理投资。Five types of land degradation are identified mainly in soil and water losses,wind erosion and desertification, grassland degradation, secondary salinization-alkalization, and soil impoverishment in the study area. Computations on integrated land evaluation values reveal that total land degradated area covers 21955. 25square kilometers in 16 counties, causing great economic losses. In the study,control predictions consisting of key control area and general control area are suggested including control target, focus of control, control measures, and investment for control.

关 键 词：土地退化 治理 预测 晋陕蒙接壤区 

分 类 号：S157.1[农业科学—土壤学]