GUO Teng-yun,XU Yong,YANG Guo-an.Land Use Change and Man-Land Relationship Evolution in Yan’an Region[J].Research of Soil and Water Conservation,2004,11(03):61-65.
延安市土地利用变化与人地关系状态演变
- Title:
- Land Use Change and Man-Land Relationship Evolution in Yan’an Region
- Keywords:
- Yan’an region; land use; man-land relationship; evolution trend
- 分类号:
- F301.24
- 摘要:
- 利用1992年、1996年和2000年土地利用详查及其更新数据与相应年份的社会经济数据，以土地利用为切入点，在深入研究了1992～2000年延安市土地利用变化的状态、结构特点，土地利用变化的幅度与速度和土地利用变化的空间格局特征的基础上，通过建立土地利用变化与人口增长与经济活动的数量耦合关系，进一步探讨了1992～2000年延安市土地利用变化和社会经济发展基础上的人地关系状态及其演变趋势，为了解延安市环境变化和人地关系提供了新的依据
- Abstract:
- Based on the data on land use of Yan’an region,which were extracted from the data sets of national land use detailed survey in 1992,and national land use detailed survey updates in 1996 and 2000,firstly,it studies thoroughly the land use changes in Yan’an region from the aspects of land use current state and its structure,land use change range and velocity,spatial pattern of land use;secondly,taking land use potentials,population numbers and economic outputs of every county in Yan’an region in 1992,1996 and 2000 as the "land "and "man" in man-land relationships,the authors,respectively,compute the relative land potentials,actual human activity pressures on land and their ratios of human activity pressures on land and relative land potentials;thirdly,through scrutinizing the ratios of human activity pressures on land and relative land potentials.The man-land relationship conditions are further analyzed,as well as its evolution trend of each county in Yan’an region in 1992,1996 and 2000.
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备注/Memo
收稿日期:2004-4-21;
基金项目:国家自然科学基金项目（40371051）；中国科学院知识创新工程项目（KZCX1-6-2-6）
作者简介:郭腾云（1962- ），男，湖南桂东人，博士，副研究员，主要从事区域发展与环境变化和GIS应用等研究.