历史时期宁夏区域环境及人地关系变迁特征

根据宁夏及其比邻地区自然环境变迁,分别论述了原始天然的适合农牧经济活动和人为次生的适合农业活动两种生产活动的环境变迁特征及其区域人地关系变化过程。指出由汉到明的1800年间,宁夏及其邻近地区自然环境一直保持着农牧皆宜的特点;适农适牧区域因边地政治军事形势和农牧民族实力之消长而发生同步波动;农耕民族大规模人口迁入是改变区域自然环境原有特征的直接人为因素。

Changing Characters of Regional Environment and Its Relationship to Humans Over an Historical Period in Ningxia Hui Autonomous Region

The changing characters of the regional environment and its relationship to humans over an historical period in Ningxia Hui Autonomous Region as well as its neighbor areas are studied. The result shows that the regional environment and its relationship to humans are associated with two land use activities, namely naturally suited agriculture with stockhreeding economic activity and secondary- type suited agricultural economic activity. The physical environment in Ningxia region and its neighbor areas were utilized for agriculture and stockbreeding activities for 1 800 years from the Han dynasty to the Ming dynasty. During this lime, regional areas suited to agriculture and stockbreeding fluctuated with military situations and political affairs, and also with ethical powers associated with agriculture and stockbreeding. The settlement of agriculture and stockbreeding people was a direct reason for changes in the original physical environment.