Impacts of road network expansion on landscape ecological risk in a megacity, China: A case study of Beijing
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- 作者：Wenbo Moa ; Yong Wangb ; wangy@igsnrr.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Yingxue Zhanga ; Dafang Zhuangb
- 关键词：Road network ; Landscape ecological risk ; Kernel density spatial analysis ; Beijing
- 刊名：Science of the Total Environment
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：574
- 期：Complete
- 页码：1000-1011
- 全文大小：2073 K
文摘
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The kernel density estimation based on GIS characterized the expansion of road network effectively.
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Constructing the landscape ecological risk index with landscape indices.
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Both the road network expansion and the ecological risk changes had close relations to expressways in space.
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The maximum covariance analysis was used to explore the affecting laws of road network on regional ecological risk.