| 基于景观尺度的城市生态健康时空过程——贵阳市案例研究 |
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| 引用本文： | 李卫海,李阳兵,邵景安,谢静,丹文丽.基于景观尺度的城市生态健康时空过程——贵阳市案例研究[J].环境科学学报,2011,31(2):440-448. |
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| 作者姓名： | 李卫海 李阳兵 邵景安 谢静 丹文丽 |
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| 作者单位： | 1. 贵州师范大学地理与环境科学学院,贵阳,550001
2. 重庆师范大学地理科学学院,重庆,400047 |
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| 摘 要： | 依据压力-状态-响应概念模型,建立了基于景观尺度的贵阳市生态健康评价指标体系.以1991年TM影像和2006年CBERS影像为基础数据源,采用空间单元网格(1 km×1 km)作为评价单元,在GIS技术支持F获取了与贵阳市景观生态健康评价相关的宏观生态指标,并借助GIS的空间分析功能制作出各单项指标和综合指标的空间分布...
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| 关 键 词： | 贵阳市 生态健康 评价 景观尺度 |
| 收稿时间： | 5/13/2010 9:52:17 AM |
| 修稿时间： | 8/22/2010 9:39:43 PM |
Spatio-temporal analysis of ecological health at the landscape scale- A case study of Guiyang, China |
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| LI Weihai,LI Yangbing,SHAO Jing''an,XIE Jing and DAN Wenli.Spatio-temporal analysis of ecological health at the landscape scale- A case study of Guiyang, China[J].Acta Scientiae Circumstantiae,2011,31(2):440-448. |
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| Authors: | LI Weihai LI Yangbing SHAO Jing'an XIE Jing and DAN Wenli |
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| Institution: | School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001,School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001,Geography Science Institute of Chongqing Normal University, Chongqing 400047,School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001 and School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001 |
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| Abstract: | An evaluation index system for ecological health in Guiyang city at the landscape scale is established according to pressure-state-response (PSR) conceptual mode1. These correlative ecological indices for ecological health assessment are extracted using images of TM (year 1991) and CBERS (year 2006). Spatial unit grids at 1km ×1km are selected as assessment units, and the spatial analysis function of GIS is applied to create a spatial distribution map for each single index and general indices. The integrated evaluations for ecological health of Guiyang city indicate that, 17.91% of the city areas are been better, while 14.37% been worse, and 67.72% of them seen no variations. It is suggested that a significant increase of construction land directly leading to the decrease of landscape ecological health in the city. |
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| Keywords: | Guiyang city ecological health assessment landscape scale |
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