[1]杨大兵,刘惠德,郑丙辉,等.基于GIS的中国西部耕地变化原因动态分析[J].水土保持研究,2006,13(01):170-172.
　YANG Da-bing,LIU Hui-de,ZHENG Bing-hui,et al.Dynamic Analysis of Cultivated Land Change in Western China Based on GIS[J].Research of Soil and Water Conservation,2006,13(01):170-172.
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基于GIS的中国西部耕地变化原因动态分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年01期 页码: 170-172 栏目: 出版日期: 1900-01-01
Title:
Dynamic Analysis of Cultivated Land Change in Western China Based on GIS
作者:
杨大兵1, 刘惠德1, 郑丙辉2, 刘海新1
1. 河北工程学院 河北 邯郸 056038;
2. 中国环境科学研究院 北京 100012
Author(s):
YANG Da-bing1, LIU Hui-de1, ZHENG Bing-hui2, LIU Hai-xin1
1. Hebei University of Engineering, Handan 056038, China;
2. Chinese Research Academy of Environmental Sciences, Beijing 100012, China
关键词:
耕地; GIS; 中国西部
Keywords:
cultivated land; GIS; the western part of China
分类号:
F301.24;TP79
摘要:
为了探讨我国西部各省、直辖市、自治区近年来耕地变化的特点和趋势，该文基于中国环境监测总站提供的1995/1996年土地利用/土地覆盖数据库和本次调查的1999/2000年土地利用/土地覆盖现状数据，利用G IS技术，对两个年份空间数据进行迭加分析。结果显示：在此期间，西部地区耕地面积增加了1 910 727 hm2，同期减少了704 247 hm2，净增加1 206 480 hm2，占总耕地面积的2.41%；西部地区耕地面积增加主要来源于草地开垦，本因子引起耕地增加了129.09万hm2，占总耕地面积增加量的69.45%；大量的草地开垦成耕地，这必将造成土地沙漠化进一步加剧，水土流失更加严重，加之近年来国家政策开始向西部转移，这必将给西部各省的生态带来严峻的考验。
Abstract:
In order to discuss the characteristic and trend of the cultivated land change of every province,municipality directly under the Central Government and Autonomous region of the western part of China in recent years,based on land-utilizing and land-covering data of 1995/1996 year that was offered by Environmental Monitoring General Station of China and of 1999/2000 year that was obtained by investigation,then two years space datum overlapped and analysed by GIS technology.The result shows:during this period,the cultivated area of the western region increased by 1 910 727 hm2 ,and reduced by 704 247 hm2 in the same term,only increased by 1 206 480 hm2 ,accounting for 2% of the total cultivated area;the cultivated area increase of the western region mainly stemmed from the meadow to cultivate which caused the cultivated land to increase by 12 990 000 hm2 ,accounting for 69.4% of total cultivated area increase;it will cause land desertification and soil erosion more serious to cultivate large stretch of meadow into cultivated land,in addition the state policies begin to transform to the western part of China in recent years,which will bring more severe test to ecology of every province in the west.

参考文献/References:

[1] 于光远.中国西部地区开发指南[M].北京:中国科学技术出版社,1988.
[2] 国家统计司.中国统计年鉴-2000[Z].北京:中国统计出版社,2000.
[3] 王如松,欧阳志云.生态整合,人类可持续发展的科学方法[M].北京:科学技术出版社,1996.
[4] 毕于运.中国土地占用八大问题[J].资源科学,1999,21(2):30-35.

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备注/Memo

收稿日期:2005-3-21;
基金项目:国家环保总局科研项目，编号：J-231-2-05
作者简介:杨大兵（1976- ），男，硕士，讲师，研究方向：地理信息系统的二次开发研究.

更新日期/Last Update: 1900-01-01