| 三峡水库建设前后10年库区景观空间格局动态变化研究——以重庆开县为例 |
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| 引用本文： | 邵怀勇,仙巍,杨武年,周万村.三峡水库建设前后10年库区景观空间格局动态变化研究——以重庆开县为例[J].测绘科学,2008,33(6):176-178. |
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| 作者姓名： | 邵怀勇 仙巍 杨武年 周万村 |
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| 作者单位： | 成都理工大学国土资源信息技术与应用国土资源部重点实验室/遥感与GIS研究所，成都信息工程学院环境工程系，中科院成都山地灾害与环境研究所 |
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| 基金项目： | 国务院三峡工程建设委会项目，成都理工大学青年基金 |
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| 摘 要： | 在遥感和地理信息系统技术的支持下,以1992年和2002年TM图像为基础,采用斑块密度、斑块平均面积、景观形状指数、景观分离度指数、景观多样性指数、景观优势度指数、景观相对聚集度指数深入而全面地研究了三峡工程建设前后十年重庆开县景观空间格局的动态变化,本研究的开展旨在为库区生态环境保护提供科学依据。研究结果表明,十年间研究区景观空间格局发生了明显变化,草地、未利用地、旱地、果园和水田面积净减,森林、建设用地、灌木林和水域面积增加,退耕还林已初见成效。
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| 关 键 词： | 遥感与GIS 三峡库区 景观格局 动态变化 |
Research on dynamic change of landscape spatial pattern before and after the construction of three gorges reservoir within 10 years——A case study of Kaixian county in Chongqing |
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| Abstract: | Supported by remote sensing and geographic information system,based on TM images in 1992 and 2002,the dynamic change of landscape spatial pattern before and after the construction of three gorges reservoir within 10 years in Kaixian County were thoroughly studied by patch density,patch average area,landscape shape index,landscape isolation index,landscape diversity index,landscape dominance index,landscape contagion index.This paper would offer a scientific basis for the ecological environmental protection of the study area.The results showed that great changes had taken place in landscape spatial pattern in Kaixian County during this period.From 1992 to 2002,the areas of grassland,unused land,dry land,orchards and paddy field were decreased,while those of forest,cultivated land,shrubs and water area were increased.And the programs of "returning farmland to forest land" that the government has carried into execution had taken effects. |
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| Keywords: | RS and GIS three gorges reservoir area landscape pattern the dynamic change |
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