摘要
青海湖流域地处青藏高原祁连山东南,高寒干旱,四面环山,植被良好,历来是青海省的优良天然牧场。但是,长期以来,由于受自然因素和近代人为不合理的社会经济活动的影响,致使本来就很脆弱的流域生态环境不断恶化,风沙侵蚀加剧,水质污染,湖水下降,草原退化。土地沙化,生产力下降,著名鸟岛,名存实亡。直接制约着青海国民经济的发展。而要保护和改善其生态环境,发展当地农牧业生产,使群众富裕起来,必须依法治林治草;用生态工程原理,因地制宜种草种树,育林育草;加强管理,合理利用草原,恢复植被,减轻风蚀。
The Qinghai lake watershed is located in the southeast part of the Qilian mountain inthe Tibet plateau。Ih there,the topography is high,the climate is cold and dry,it is completelyencircled by mountains,and the vegetation is good,it always is the fine natural pasture of Qing-hai province.However,since a long period of time,being effected by the disadvantageous factorsof nature and irrational social and economic activities of man-kind,the fragile ecologic environ-ment of the area steadily deteriorated,the wind-sand erosion are aggravated,the water is pollut-ed,the lake level droped,the prairie degenerated,the land becomes sandlized,the productivity isdown,and the bird island exist in name only。AlI these have directly stricted the economic devel-opment of Qinghai province.In order to protect and improve the ecologic environment,and tomake people rich up,the following measures are needed to be adopted:(1)To harness forest andgrassland in the light of national laws;(2)According to the theory of ecological engineering,toplant trees and herb suited to local conditions;(3)To strengthen the management and use prairierationally,so as to resume the vegetation and to lighten the wind erosion.
出处
《水土保持通报》
CSCD
北大核心
1996年第6期59-64,共6页
Bulletin of Soil and Water Conservation
关键词
青海湖
生态环境
保护
the Qinghai lake
ecologic environment
protection