摘要
祁连山区宜林面积为2000余万亩，但现有林地面积仅700多万亩（食蔬林、灌木林面积），森林覆盖率不足15％，其减少的原因盖在于历史上的乱砍滥伐人为破坏之故。本文考索有关文献资料，对历史时期祁连山区林草资源的破坏状况作了系统探讨，以期为今天本区林草植被的保护和河西绿洲的可持续发展提供历史惜鉴。
There are about 20000 thousand Mu (亩) land suitable to forest, but now available about only 7000 thousand Mu remaied,including area of sparse woods and bush woods. There is less than 15% of the percentage of forest cover. The causes of forest reduction had been artificial damages in history period. On the basis of the relevant historical documents, the paper discusses systematically the condition of forest damages and changes in Qilian Mountain area in history period, in order to provides his torical references for protecting forest reserves in the area andcontinued developing in oases of Hexi Corridor today.
出处
《中国历史地理论丛》
CSSCI
2000年第1期1-16,共16页
Journal of Chinese Historical Geography
基金
国家自然科学基金!49731010
国家教委"九五"规划重点项目!96JAZ770018
