地理学报 ›› 2011, Vol. 66 ›› Issue (5): 631-642.doi: 10.11821/xb201105006
刘春霞1, 李月臣1,2,3, 杨华1, 闵婕1, 王才军1, 张虹1
收稿日期:
2010-11-14
修回日期:
2011-02-22
出版日期:
2011-05-20
发布日期:
2011-05-20
通讯作者:
李月臣(1974-), 男, 博士, 教授。主要从事资源环境遥感与地理信息系统研究。E-mail: liyuechen@cqnu.edu.cn
作者简介:
刘春霞(1975-), 女, 硕士, 讲师。主要从事资源环境与生态经济研究。E-mail: liuchunxia_2004@163.com
基金资助:
国家自然科学基金项目(40801077); 教育部重点项目(209100); 重庆市自然科学基金项目(CSTC,2008BB7367); 重庆市教委科技项目(KJ070811)
LIU Chunxia1, LI Yuechen1,2,3, YANG Hua1, MIN Jie1, WANG Caijun1, ZHANG Hong1
Received:
2010-11-14
Revised:
2011-02-22
Online:
2011-05-20
Published:
2011-05-20
Supported by:
National Natural Science Foundation of China, No.40801077; Key Scientific Research Projects of the Ministry of Education, No.209100; Natural Science Foundation of Chongqing, No.CSTC, 2008BB7367; Science & Technology Research Project of Chongqing Municipal Education Commission, No.KJ070811
摘要: 在RS与GIS 技术的支持下,选择研究区比较突出的土壤侵蚀、石漠化、生境和酸雨4 个生态环境要素建立敏感性评价模型与方法,对三峡库区重庆段生态环境敏感性进行综合研究,定量揭示了研究区生态环境敏感性程度及其空间分布规律。研究结果表明:(1) 土壤侵蚀以高度敏感、中度敏感和极敏感为主;东北部是土壤侵蚀最为敏感的区域;土壤侵蚀现状与土壤侵蚀敏感性具有很好的对应关系。(2) 石漠化总体以不敏感为主,其次是高度敏感和中度敏感;高度以上敏感区主要分布东北部地区,中度以上石漠化与石漠化高度和极敏感区具有很好的对应关系。(3) 生境敏感性类型以不敏感为主,其次为高度敏感地区;东北部和南部生境敏感性高,而中西部地区生境敏感性低。(4) 酸雨高度敏感面积和比例最大,其次是中度敏感和轻度敏感区;极敏感区呈块状零星散布、高度敏感区和中度敏感区集中片状分布、轻度敏感和不敏感区沿江河带状分布,部分呈团块状散布。(5) 生态环境敏感性类型以高度敏感为主,其次为中度敏感区和不敏感区;东北部和南部生态环境敏感性高,中西部地区生态环境敏感性低。
刘春霞, 李月臣, 杨华, 闵婕, 王才军, 张虹. 三峡库区重庆段生态与环境敏感性综合评价[J]. 地理学报, 2011, 66(5): 631-642.
LIU Chunxia, LI Yuechen, YANG Hua, MIN Jie, WANG Caijun, ZHANG Hong. RS and GIS-based Assessment for Eco-environmental Sensitivity of the Three Gorges Reservoir Area of Chongqing[J]. Acta Geographica Sinica, 2011, 66(5): 631-642.
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