[1]王晓燕,徐志高.基于RS与GIS的岩溶区石漠化时空变化特征——以湖南省慈利县为例[J].水土保持研究,2008,15(05):7-10.
　WANG Xiao-yan,XU Zhi-gao.Spatial and Temporal Variation Features of Rocky-desertification in Karst Area Based on RS and GIS Technology-A Case Study of Cili County, Hu’nan Province[J].Research of Soil and Water Conservation,2008,15(05):7-10.
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基于RS与GIS的岩溶区石漠化时空变化特征——以湖南省慈利县为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年05期 页码: 7-10 栏目: 出版日期: 2008-10-20
Title:
Spatial and Temporal Variation Features of Rocky-desertification in Karst Area Based on RS and GIS Technology-A Case Study of Cili County, Hu’nan Province
作者:
王晓燕1, 徐志高2
1. 长沙理工大学 土木与建筑学院, 长沙 410076;
2. 国家林业局中南林业调查规划设计院, 长沙 410014
Author(s):
WANG Xiao-yan1, XU Zhi-gao2
1. College of Civil Engineering and Architecture, Changsha University of Science and Technology, Changsha 410076, China;
2. State Forestry Administration Central South Forest Investigating and Planning Institute, Changsha 410014, China
关键词:
石漠化; 时空变化; 土地利用; 岩溶区; 慈利县
Keywords:
rocky-destertification; spatial and temporal changes; land utilization; Karst Area; Cili county
分类号:
X171.1;TP79
摘要:
以湖南省慈利县为研究区域，运用遥感与地理信息系统技术，通过1990年和2003年两期遥感影像数据的对比分析，研究了岩溶区土地石漠化时空变化特征。结果表明：慈利县岩溶区石漠化治理与破坏同时存在，但破坏强度大于治理效果，石漠化呈加剧趋势；轻度石漠化与中度石漠化区域的治理转化率较高，极重度石漠化区域的治理转化率最低；由石漠化改善为未石漠化的土地只占由未石漠化转化为石漠化土地的52.2%；石漠化发生区主要分布于边远乡镇区。岩溶区生态环境的建设重在预防，潜在的石漠化区域的保护应该予以重视，宜林荒山应成为今后治理的重点，边远山区生态环境改善的重点应该是改变农业产业结构和传统的耕作方式。
Abstract:
Using Cili county as the study area, through contrasting and analyzing the aerial images of 1990 and 2003, the spatial and temporal changes characters of rocky-desertification was studied in this paper by using RS and GIS technology. The results show that control and destruction are coexited in Cili county, but the destruction intensity is larger than that of controling, and rocky-desertification situation has becoming more serious. There are efficient controling and conversion in lighter and middle degree rocky-desertification area while ineffictive in extreme degree rocky-desertification area. The amelioration rate of rocky-desertification land is lower than the deterioration rate of unrocky-desertification land. The rocky-desertification was mostly taken place in countryside. The first task should be prevention in ecological environment construction in Karst area. Protection should be taken into account seriously in latent rocky-desertification area and the controlling emphsis should be on barren hill suitable for forest. The transfomation of agriculture industrial structue and traditional cultivation model is the emphsis in the future.

参考文献/References:

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备注/Memo

收稿日期:2008-1-21。
基金项目:国家林业局项目“西南岩溶区石漠化监测”;湖南省教育厅青年项目（07B001）
作者简介:王晓燕（1973- ），女，湖南邵阳人，博士，副教授，主要从事生态环境与水土保持方面的研究。E-mail：w_xiaoyan@163.com

更新日期/Last Update: 1900-01-01