Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Longitudinal Survey of Strix aluco During Breeding Season and Their Habitat in Korea -The First Reported Case Study

한국에서 올빼미 번식기 추적 조사 및 서식지 연구-첫 추적조사 사례

  • Kim, Woo-Yuel (Division of Ecological Survey Research of NIE) ;
  • Choi, Won-Suk (Dept. of Biological Sciences and Biotechnology Chonnam National University) ;
  • Park, Jong-Chul (Division of Ecological Survey Research of NIE) ;
  • Sung, Ha-Cheol (Dept. of Biology Chonnam National University)
  • 김우열 (국립생태원 생태조사연구실) ;
  • 최원석 (전남대학교 생물과학.생명기술학과) ;
  • 박종철 (국립생태원 생태조사연구실) ;
  • 성하철 (전남대학교 생물학과)
  • Received : 2016.12.13
  • Accepted : 2016.12.16
  • Published : 2016.12.30
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Abstract

In this study, we determined the ecological characteristics of Strix aluco, which is designated as an endangered category II species. Towards this, we identified the actual home range of Strix aluco that breed in Korea, and collected the data necessary for protecting, preserving and managing owl populations. This study was conducted from April 14 to May 20 of 2016 during the breeding season of Strix aluco as part of the 4th National Ecosystem Survey and in accordance with the Natural Environment Conservation Act. We captured and subsequently released a female owl with a total length of 423.5mm and a weight of 550g in Kyungbuk area, succeeded in tracking it for the first time in Korea and secured 6 points of direct observation and satellite tracking observation. The distance from the nest to the farthest point was 93m. As a result of the analysis of habitat points within a100m-radius during breeding period, it was established that their habitat consists of 34.2% of non-irrigated land, 30.6% of mixed forest land, 10.5% of orchard, and 9.4% of natural grassland. These findings are consistent with the previous estimate of home range studies. Further research based on follow-up studies on males or other individuals is required to develop a stronger basis for protection and conservation of endangered wildlife class II owls.

본 연구에서는 우리나라에 번식하는 올빼미의 실질적인 행동권 파악을 통해 멸종위기야생동물 II급 올빼미의 생태적 특성을 규명하여 올빼미 개체군을 보호하고 보전하며 관리하는데 필요한 자료를 제공하고자 '자연환경보전법'에 따라 시행하고 있는 제 4차 전국자연환경조사의 일환으로 2016년 4월 14일~5월 20일까지 번식기 육추시기에 약 한달 간 진행했다. 그 결과 경북 일대에서 전장(Total Length) 423.5mm와 무게 550g의 암컷 1개체를 포획하였고 우리나라 최초로 추적에 성공했으며 직접관찰과 위성추적 관찰 좌표 6지점을 획득 하였다. 가장 먼 지점의 거리는 둥지로부터 93m의 이격 거리였다. 그리고 육추시기에 약 100m 반경에 대한 서식지 분석결과 밭 34.2%, 혼효림 30.6%, 과수원 10.5%, 자연초지 9.4% 순의로 토지피복도 우점 순위가 나타났다. 이는 이전의 연구결과와 매우 유사한 결과로 향후 수컷 또는 다른 개체들에 대한 추적조사를 바탕으로 추가 연구가 이루어져 멸종위기야생동물 II급 올빼미의 보호와 보전하는데 기초자료로서 활용을 기대한다.

Keywords

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