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《Territory & Natural Resources Stuty》 2004-01
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The effects of the human activity on the evolution of Ejina Oasis and the harmonizing development countermeasures

LIU Pa-xing,ZHANG Hong-xia(College of Geograohy and Environment Northwest Normal University,Lanzhou730070,China)  
Ejina oasis located in the lower reaches of Heihe River is an important natural oasis in western to Inner Mongolia.Recent years,more and more people concern the problem of the deterioration of its eco-environment.This paper studies on the effects of human activity on evolution of Ejina oasis.Three evolution periods are demonstrated.They are natural evolution period,historical exploitation period,oasis atrophy and the ecological crisis period.The defferent characters of these periods are analyzed.On these grounds.the conclusion that mankind should get along well with enviroment and take on efficient coutermenasures to realize harmonizing development.
【Fund】: 西北师范大学科技与创新工程一期项目;; 西北师大青年基金
【CateGory Index】: X171
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