Study On The Ecological Function Regionalization Of Hulunbeir City

Through studying natural overview and status of ecological environment in Hulunbeir, the study systematically analyzes the status of ecological environment in Hulunbeir. The study points out many ecological problems in the city, such as ecological function failure of forest resources, grassland desertification and degradation, natural disasters (sandstorm) which happen frequently, wetland shrinking and degradation, soil erosion. And the study sets forth the main reasons of the occurrence and development.On the basis of the survey on the prescnt ecological environment and with the combination of the neal conditions of the study area, ecologically negional index system has been established based on ecology, society and economy. Though factor analysis on the original samples by using SPSS software, 14 key indexes have been gradually selected out, from which factors have been chosen to represent 88.63% imformation in Hulunbeier in terms of ecology, society and economy. A comprehensive evaluation model has been constructed and comprehensive scoring (Z value) of county or city in 3 main factors aspects in Hulunbeir is obtained and the ranking is determined according to Z value.F value of the factors analysis was chosen to do cluster analysis. 13 banners and cities were divided into temperale and semi-arid grassland, area in Hulunbeier Plateau, cold and humid forest area in Daxinganling Mountain, temperate humid and semi-humid forest-grassland area in the east hill of Daxinanling, and the ecological and economic erea in the central city. In the end this paper presents mainly ecological problems in each function areas and presents main protection and management measures.