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http://dx.doi.org/10.14249/eia.2015.24.3.233

A Study on the Correlation between Road-kill Hotspot and Habitat Patches  

Seok, Sangmuk (Department of Geoinformatics, University of Seoul)
Lee, Jiyeong (Department of Geoinformatics, University of Seoul)
Publication Information
Journal of Environmental Impact Assessment / v.24, no.3, 2015 , pp. 233-243 More about this Journal
Abstract
The ecosystem fragmentation due to transportation infrastructure causes road-kill phenomenon. When making policy for reducing road-kill it is important to select target-species in order to enhance its efficiency. However, many corridors installed in Korea have been raised issues about their effectiveness due to lack of considerations such as target-species selection, site selection, and management, etc. In this study, we are to grasp relationship between road-kill area and habitat patches and suggest that spatial location of habitat patches should be considered as one of the important factors when making policy for reducing road-kill. Habitat patches were presumed from overlying suitability index that chosen by literature review and road-kill hotspot was determined by Getis-Ord $G_i^*$ analysis. Afterwards, we performed a correlation analysis between $G_i$ Z-score and the distance from habitat patches to the roads. As a result, there is a negative correlation between two variables, It affects the $G_i^*$ Z-score going up if the habitat patches and the roads become closer.
Keywords
Road-kill; Correlation analysis; Habitat patches; Hotspot; Getis-Ord $G_i^*$;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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