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Analysis of the Status of Light Pollution and its Potential Effect on Ecosystem of the Deogyusan National Park

덕유산국립공원 빛공해 현황 및 빛공해가 공원 생태계에 미치는 잠재적 영향 분석

  • Sung, Chan Yong (Dept. of Urban Engineering, Hanbat National Univ.) ;
  • Kim, Young-Jae (Dept. of Forest Resources and Landscape Architecture, Yeungnam Univ.)
  • 성찬용 (한밭대학교 도시공학과) ;
  • 김영재 (영남대학교 산림자원및조경학과)
  • Received : 2019.09.16
  • Accepted : 2020.01.16
  • Published : 2020.02.28

Abstract

This study characterized the spatial and seasonal patterns of light pollution in the Deogyusan National Park and examined the potential effects of light pollution on ecosystems in the park using light intensities derived from VIIRS (Visible Infrared Imaging Radiometer Suite) DNB (Day and Night Band) nightlight images collected in January and August 2018. Results showed that the Muju Deogyusan resort had the greatest light intensity than other sources of light pollution in the park, and light intensity of the resort was much higher in January than in August, suggesting that artificial lights in ski slopes and facilities were the major source of light pollution in the park. An analysis of an urban-natural light pollution gradient along a neighboring urban area through the inside of the park indicated that light radiated from a light pollution source permeated for up to 1km into the adjacent area and contaminated the edge area of the park. Of the legally protected species whose distributions were reported in literature, four mammals (Martes flavigula, Mustela nivalis, Prionailurus bengalensis, Pteromys volans aluco), two birds (Falco subbuteo, Falco tinnunculus), and nine amphibians and reptiles (Onychodactylus koreanus, Hynobius leechii, Karsenia koreana, Rana dybowskii, Rana huanrenensis, Elaphe dione, Rhabdophis tigrinus, Gloydius ussuriensis, Gloydius saxatilis) inhabited light-polluted areas. Of those species inhabiting light-polluted areas, nocturnal species, such as Prionailurus bengalensis and Pteromys volans aluco, in particular, were vulnerable to light pollution. These results implied that protecting ecosystems from light pollution in national parks requires managing nighttime light in the parks and surrounding areas and making a plan to manage nighttime light pollution by taking into account ecological characteristics of wild animals in the parks.

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