| 道路网络对景观生态风险的影响——以“中国-中南半岛经济走廊”为例 |
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| 作者姓名： | 毕恺艺 牛铮 黄妮 寇培颖 |
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| 作者单位： | 1. 中国科学院遥感与数字地球研究所 遥感科学国家重点实验室, 北京 100101;
2. 中国科学院大学, 北京 100049 |
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| 基金项目： | 中国科学院先导专项（XDA19030304）、国家自然科学基金（41730107）和中国地质调查局地质调查项目（DD20160305）资助 |
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| 摘 要： | 以"中国-中南半岛经济走廊"为研究区，在地理信息系统的支持下，通过分析道路网络和景观生态风险的空间分布特征，探究道路网络对景观生态风险的影响。结果表明：道路网络对景观格局的影响与景观类型关系密切，其中不透水层受道路网络的影响最显著；景观生态风险呈现出明显的空间异质性，中国和泰国部分的景观生态风险相对较高；道路网络和景观生态风险存在一定的相关性，随着道路网络密度和等级的增加，景观生态风险呈现上升趋势。因此，针对不同区域和景观类型应制定相应的道路建设和规划策略。
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| 关 键 词： | 道路网络 景观 生态风险 中国-中南半岛经济走廊 |
| 收稿时间： | 2018-01-09 |
| 修稿时间： | 2018-04-12 |
Effects of road network on landscape ecological risk: a case study of “China and Indochina Peninsula economic corridor” |
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| Authors: | BI Kaiyi NIU Zheng HUANG Ni KOU Peiying |
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| Institution: | 1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Taking "China and Indochina Peninsula economic corridor" as a case, with the support of GIS technology, this study analyzed the spatial pattern of road network and its impacts on landscape ecological risk. The results are showed as follows. 1) The effects of road network on landscape pattern were related to the landscape types, among which the impervious surface was affected the most. 2) There were obvious spatial differences in landscape ecological risk throughout the whole study area, and the risks in China and Thailand were relatively higher than those in the other countries. 3) There was a certain correlation between road network and landscape ecological risk. As the density and level of road increased, landscape ecological risk presented an upward trend accordingly. The above results suggest that the corresponding road construction and planning strategies should be developed for different regions and landscape types. |
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| Keywords: | road network landscape ecological risk China and IndoChina Peninsula economic corridor |
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