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Analysis of Roadkill on the Korean Expressways from 2004 to 2019

Expressways in Korea are high-speed traffic roads connecting important cities. Road infrastructure continues to expand to accommodate the increase in traffic volume associated with the growth of industry and tourism. Here, data on 36,863 roadkill events that occurred on expressway routes managed by...

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Autores principales: Kim, Minkyung, Park, Hyomin, Lee, Sangdon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8508254/
https://www.ncbi.nlm.nih.gov/pubmed/34639556
http://dx.doi.org/10.3390/ijerph181910252
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author Kim, Minkyung
Park, Hyomin
Lee, Sangdon
author_facet Kim, Minkyung
Park, Hyomin
Lee, Sangdon
author_sort Kim, Minkyung
collection PubMed
description Expressways in Korea are high-speed traffic roads connecting important cities. Road infrastructure continues to expand to accommodate the increase in traffic volume associated with the growth of industry and tourism. Here, data on 36,863 roadkill events that occurred on expressway routes managed by the Korea Expressway Corporation between 2004 and 2019 were analyzed. Characterizing patterns of roadkill is important for prioritizing roadkill mitigation measures. We identified consistently increasing or decreasing trends using Mann–Kendall statistics and Sen’s slope. Roadkill was most common in Gangwon Province and was concentrated between May and June and between October and December. Water deer (Hydropotes inermis) was the most common road-killed species. The trend analysis revealed a statistically significant decline in Gangwon Province and a statistically significant increase in the Capital Area and Chungnam Province. There was a significant increase in wild boar (Sus scrofa) roadkill in the first and fourth quarters. Mitigation measures are needed for regions and species showing increasing trends, including water deer in the first to third quarters, periods for which no decline in water deer roadkill was noted.
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spelling pubmed-85082542021-10-13 Analysis of Roadkill on the Korean Expressways from 2004 to 2019 Kim, Minkyung Park, Hyomin Lee, Sangdon Int J Environ Res Public Health Article Expressways in Korea are high-speed traffic roads connecting important cities. Road infrastructure continues to expand to accommodate the increase in traffic volume associated with the growth of industry and tourism. Here, data on 36,863 roadkill events that occurred on expressway routes managed by the Korea Expressway Corporation between 2004 and 2019 were analyzed. Characterizing patterns of roadkill is important for prioritizing roadkill mitigation measures. We identified consistently increasing or decreasing trends using Mann–Kendall statistics and Sen’s slope. Roadkill was most common in Gangwon Province and was concentrated between May and June and between October and December. Water deer (Hydropotes inermis) was the most common road-killed species. The trend analysis revealed a statistically significant decline in Gangwon Province and a statistically significant increase in the Capital Area and Chungnam Province. There was a significant increase in wild boar (Sus scrofa) roadkill in the first and fourth quarters. Mitigation measures are needed for regions and species showing increasing trends, including water deer in the first to third quarters, periods for which no decline in water deer roadkill was noted. MDPI 2021-09-29 /pmc/articles/PMC8508254/ /pubmed/34639556 http://dx.doi.org/10.3390/ijerph181910252 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Kim, Minkyung
Park, Hyomin
Lee, Sangdon
Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title_full Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title_fullStr Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title_full_unstemmed Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title_short Analysis of Roadkill on the Korean Expressways from 2004 to 2019
title_sort analysis of roadkill on the korean expressways from 2004 to 2019
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8508254/
https://www.ncbi.nlm.nih.gov/pubmed/34639556
http://dx.doi.org/10.3390/ijerph181910252
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