罗布地区人类活动与环境变迁

本文在引用史料、考古和科学考察的基础上 ,对罗布地区的人类活动和环境变迁进行分析研究 ,认为历史时期罗布地区的人类活动与环境变迁可划分为四个阶段 :魏晋以前 ,生产水平有限 ,绿洲农业灌溉主要依赖自然河道 ,对环境的影响不大 ,河湖水量充沛 ;魏晋以后至元代 ,属游牧民族活动区域 ,生产方式简单 ,对环境影响小 ,河湖水量因自然因素的影响而呈不断减少的态势 ;清初至道光年以前 ,当地罗布人以原始的渔猎生活为主 ,河湖水量充沛 ;清道光年以后 ,大规模、不合理的农业灌溉活动 ,导致河湖水量减少

Human Activities and Environmental Development In Lop Region

The analysis of historical documents, achievement in archaeological and scientific investigations prove that human activities and environment changes in lop region had been gone through four phases. Before Wei -Jin Dynasty, mode of human production was simple, resources of water of rivers and lop lake were abundant, but the locations of rivers and lakes were changed in this stage; From Wei -Jin Dynasty to Yuan Dynasty this region were mainly dominated by different nomad nationalities , whose modes of production were also simple, but rivers and lop lake were dried during this phase.; From the initial stage to Daoguang years of Qing Dynasty, people lived a fishing and hunting life in this region, and the resources of water in rivers and lakes were abundant; After Daoguang years of Qing dynasty, human irrational irrigation works made rivers and lakes turn drying again.