辽宁省土地退化与景观生态建设

应用生态学报 ›› 2001, Vol. 12 ›› Issue (4): 601-604.

辽宁省土地退化与景观生态建设

李月辉, 赵羿, 关德新

中国科学院沈阳应用生态研究所, 沈阳 110016

收稿日期:1999-10-14 修回日期:2000-01-14 出版日期:2001-07-25 发布日期:2001-07-25
通讯作者: 李月辉,女,1973年生,在职博士生,从事景观生态学方面的研究,发表论文4篇.E-minl:liyuehui@163.net E-mail:liyuehui@163.net
基金资助:
国家计委重点项目“辽宁省国土资源综合调查”资助项目

Land degradation and landscape ecological construction in Liaoning Province

LI Yuehui, ZHAO Yi, GUAN Dexin

Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016

Received:1999-10-14 Revised:2000-01-14 Online:2001-07-25 Published:2001-07-25

摘要/Abstract

摘要： 利用1997～1998年1:25万辽宁省TM遥感影像及相应的GIS获取的数据,调查分析了辽宁省土壤侵蚀、土地沙化和盐渍化3种类型土地退化程度、面积和分布.结果表明,全省92.52%的土地面积遭受不同程度的侵蚀,3.39%的土地为沙化土地,2.22%土地为盐渍化土地.在此基础上,以新的角度进行全省土地退化分区:现代侵蚀退化区、地质侵蚀退化区和沙化盐渍化退化区,分析不同区域内不同类型的退化特点和原因,依据区域自身特点和景观生态学原理,提出相应的景观生态建设恢复治理模式.

Abstract: The degradation degree,area and distribution of three types of degraded land caused by erosion,desertification and salinization were investigated in Liaoning Province by using landsat TM 1∶250000 and GIS Data.The area of eroded,desertificated and salinized land occupied 92.5%,3.39% and 2.22% of the total provincial land area,respectively.Therefore,the land in this province was classified into three degradation regions:contemporary erosion degradation,geological erosion degradation,and desertification and salinization degradation region.The characteristics and the cause of degradation for each region were also analyzed.According to the local situation and the theory of landscape ecology,some landscape construction and restoration models were proposed.

中图分类号:

Q149

李月辉, 赵羿, 关德新. 辽宁省土地退化与景观生态建设[J]. 应用生态学报, 2001, 12(4): 601-604.

LI Yuehui, ZHAO Yi, GUAN Dexin . Land degradation and landscape ecological construction in Liaoning Province[J]. Chinese Journal of Applied Ecology, 2001, 12(4): 601-604.

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