人类活动对晋西北地区生态环境影响的初步研究

A PRELIMINARY STUDY ON THE INFLUENCE OF ACTIVITIES ON ECOLOGICAL ENVIRONMENT IN THE NORTHWEST OF SHANXI PROVINCE

晋西北地处我国北方生态环境脆弱的农牧交错带，同时又是资源富集，资源与环境的矛盾十分突出。人类不合理的经济活动加剧了该区以土壤风蚀沙化和水土流失为主的环境退化问题。因此，加强环境保护刻不容缓。

Northwestern Shanxi is located in the north China farming-grazing transitional zone with fragile ecological characters,its environmental degradation resulted from human activities is very serious.This article analyzes the relationships and the characteristics between human activities and ecological environments in the northwest of Shanxi Province according to the field investigation of human activities and ecological environments.The study results show that ecological environments in the area have obviously fragile and transitional features.The author thinks that the environmental degradation(such as water erosion and land desertification)in this area is mainly caused by rapid increase of population and human unreasonable economic activities.Finally,according to the environment situations,the protecting countermeasures of the ecological environments are put forward in this paper.