我国中东部地区土地利用/土地覆盖动态分析

应用生态学报 ›› 2004, Vol. ›› Issue (12): 2297-2303.

我国中东部地区土地利用/土地覆盖动态分析

田自强¹, 郑丙辉¹, 王文杰², 李子成¹

1. 中国环境科学研究院河流与海岸带环境研究室, 北京 100012;
2. 中国环境临测总站, 北京 100029

收稿日期:2004-04-02 修回日期:2004-06-17
通讯作者: 田自强,男,1971年生,博士.主要从事景观生态学、植物生态学和遥感方面的研究.发表文章10余篇,专著2部.Tel:010-84913914;E-mail:tianzq@craes.org.cn.
基金资助:
国家“九五”科技攻关项目(96911080406);科技部科技基础性工作专项;国家“863”资助项目(2002AA60101206)

Dynamic analysis of land use and land coverage in mid-eastern China during 1988～2000

TIAN Ziqiang¹, ZHENG Binghui¹, WANG Wenjie², LI Zicheng ¹

1. River and Coastal Environment Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
2. China National Environmental Monitoring Center, Beijing 100029, China

Received:2004-04-02 Revised:2004-06-17

摘要/Abstract

摘要： 在野外调查和资料收集的基础上,利用遥感和地理信息系统技术,对中国中东部地区19个省(直辖市)1988年和2000年的5种土地利用/覆盖类型的遥感数据进行了景观制图及其叠加分析.结果表明,12年来,随着中东部地区经济和人口数量的快速增长,耕地及城建用地面积分别增加了10.921×10⁵hm²和13.754×10⁵hm²,比1988年增长了2.14%和19.25%对木材的大量需求及毁林开荒,导致林地面积减少了17.83×10⁴hm²,比1988年下降了1.12%.草地面积增加了19.287×10⁵hm²,比1988年上升7.75%.长期对土地的不合理利用带来的环境条件恶化,使草地覆盖度及草地质量总体呈下降趋势.10年间对未利用地面积的开发达49.61×10⁴hm²,占1988年未利用地面积的34.31%.

关键词: 中国中东部地区, 景观制图, 土地利用/覆盖动态分析

Abstract: Using remote sensing(RS) and geographic information system(GIS) technologies and based on the documentary and field sampling data,this paper constructed and analyzed the 1988 and 2000 landscape maps of mid-eastern China.The mapping area of mid-eastern China was about 2.87?10⁶km².With the rapid increase of economy and population,the area of farmland and town in mid-eastern China increased 10.921?10⁵hm² and 13.754?10⁵ hm²,accounted for a 2.14% and 19.25% increase,respectively from 1988 to 2000.At the same time,the forest area decreased 17.83?10⁴hm²,declined by 1.12%,because of the increasing demand for lumber provision and reclamation.The meadow area in 2000 increased 19.287?10⁵ hm²,ascending 7.75%,while the coverage and quality of grassland declined,owing to the deteriorating environment.The untilled land in 2000 dropped 34.31%,contrast with 1988 by the reason of a large number of lands being exploited.

Key words: Mid-eastern China, Landscape mapping, Land-use/cover dynamic analysis

中图分类号:

Q149

田自强, 郑丙辉, 王文杰, 李子成. 我国中东部地区土地利用/土地覆盖动态分析[J]. 应用生态学报, 2004, (12): 2297-2303.

TIAN Ziqiang, ZHENG Binghui, WANG Wenjie, LI Zicheng . Dynamic analysis of land use and land coverage in mid-eastern China during 1988～2000[J]. Chinese Journal of Applied Ecology, 2004, (12): 2297-2303.

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