固原县自然条件概况  

General Introduction on Natural Environment of Guyuan County

作　　者：邹厚远[1] 陈国良[1] 

机构地区：[1]中国科学院水利部水土保持研究所,陕西杨陵712100

出　　处：《水土保持研究》1998年第1期2-6,69,共6页Research of Soil and Water Conservation

摘　　要：固原县位于黄土高原西北部，属温带半干旱黄土丘陵森林草原向干草原过渡地区．具有土地辽阔，水热组合多样，天然草场面积大等有利条件．同时具有土地利用不合理，灾害频繁，天然草场退化．森林覆盖率低等不利条件．Guyuan county located in the northwestern part of the Loess Plateau,it 3belongs to the transition region from the temperate zone semiarid and loess hilly area forestry prairie to the xeric prairie. There are plentiful land resources, variability of water-heat combination and large amount of natural prairie etc. Meanwhile, there are some severe problems and conditions which we face to such as land use is not rational,severe frequent calamities,degradation in natural prairie and low forest coverage rate and so on.

关 键 词：半干旱区 水土保持 土地利用 

分 类 号：S157.1[农业科学—土壤学]