长江流域不同尺度岸带区域的土地利用及其变化

张哲; 倪贺伟; 王维; 杨冉冉; 张志苗; 杨柯宁

doi:10.3969/j.issn.1674-991X.2017.04.069

长江流域不同尺度岸带区域的土地利用及其变化

doi: 10.3969/j.issn.1674-991X.2017.04.069

张哲¹,
倪贺伟¹,
王维^1,*, ,,
杨冉冉¹,
张志苗¹,
杨柯宁²

^1. 中国环境科学研究院环境信息科学研究所,北京 100012
^2. 中国石油天然气股份有限公司西气东输管道分公司,上海 200122

详细信息

作者简介:
张哲(1983—),男,助理研究员,主要从事流域生态评估、环境遥感应用研究, nit05zhangzhe@126.com

通讯作者:
王维 E-mail: weiwang@craes.org.cn

中图分类号: X37
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出版历程
- 收稿日期: 2016-12-01
- 刊出日期: 2017-07-20

Land use and change of riparian zone at different scales in the Yangtze River Basin

^1. Institute of Environmental Information, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
^2. West East Gas Pipeline Company of PetroChina Co Ltd, Shanghai 200122, China

More Information

Corresponding author: Wei WANG E-mail: weiwang@craes.org.cn

摘要

摘要: 利用2010年和2000年数据,分析长江流域干流和支流的岸带区域土地利用类型及其10年间的变化,并对比分析干、支流不同宽度缓冲距离内的土地利用结构特征及其时空变化,探讨不同地理尺度下的人类开发活动对长江岸带土地利用格局的影响。结果表明:长江岸带区域是流域内人类开发建设和农业活动的重要区域,岸带区域的耕地和人工表面面积占比分别为31.9%和6.8%,明显大于流域平均(24.9%和3.1%);其中,长江中游岸带区域的人类开发建设和农业活动强度相对较高,干、支流岸带区域的林地占比仅为长江流域平均的14.1%和66.0%。从2000年与2010年土地利用变化看,长江干、支流岸带区域的人工表面占比增幅最大,其中,中游干、支流的岸带区域人工表面增幅分别为流域平均的5.3和2.1倍。
- 长江流域 /
- 岸带 /
- 尺度 /
- 土地利用 /
- 格局特征
Abstract: Based on land use data of 2010 and 2000, the land use status and change of the main streams and tributaries of the Yangtze River riparian zone were analysed, and the comparative analysis was carried out on the land use structure and spatial changes of the main streams and tributaries with buffer area of different widths. On this basis, the effects of human development activities at different geographical scales on the land use pattern in the shore of the Yangtze River were discussed. The results showed that the riparian zone is the very important area of construction and agricultural activities in Yangtze River Basin. The proportion of cultivated land and a.pngicial surface area in riparian zone was 31.9% and 6.8%, respectively, which was significantly higher than that of basin average values (24.9% and 3.1%). In the riparian zone of the middle of Yangtze River where the human development and construction and the intensity of agricultural activities were relatively high, the proportion of forest land in the main streams and tributaries were only 14.1% and 66.0% of the average level of the Yangtze River Basin, respectively. According to the analysis of land use change in 2000 and 2010, the a.pngicial surface of the main streams and tributaries of the Yangtze River riparian zone accounted for the largest increase, and the increase of the a.pngicial surface of the main streams and tributaries in the middle stream of the Yangtze River was 5.3 and 2.1 times of the average level of the basin.
- Yangtze River Basin /
- riparian zone /
- scale /
- land use /
- pattern characteristics

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