Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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A Synecological Description of Ohmi Moor with Sphagnum Islet in Jeju, Korea

물이끼섬을 포함하는 제주도 오미 습원의 군락생태

  • Kim, Jong-Won (School of Biological Sciences, Keimyung University) ;
  • Lee, Gyeong-Yeon (Department of Biology, Graduate School, Keimyung University) ;
  • Kim, Yun-Ha (Department of Biology, Graduate School, Keimyung University) ;
  • Eom, Byeong-Cheol (Department of Biology, Graduate School, Keimyung University)
  • 김종원 (계명대학교 생명과학과) ;
  • 이경연 (계명대학교 대학원 생물학과) ;
  • 김윤하 (계명대학교 대학원 생물학과) ;
  • 엄병철 (계명대학교 대학원 생물학과)
  • Received : 2018.01.29
  • Accepted : 2018.04.24
  • Published : 2018.06.30
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Abstract

In the Sumeunmulbaengdui Wetland Protected Area of Jeju Island, there exists a unique pond, a so-called 'Ohmi', which is likely to be an oasis supporting the wildlife and escaped-livestock. We exquisitely described the diversity and distribution of plant community of the Ohmi. Despite its small area, six syntaxa were identified: Sphagnum community of peat bog type, Nymphoides coreana community of the floating-leaf limnetic vegetation, Scirpus triangulatus community and Schoenoplectus hotarui community of the littoral zone vegetation, and Deinostema violacea-Eleocharis congesta community and Eriocaulon atrum-miquelianum community of the ephemeral vegetation. A zonal distribution of plant communities along the water depth was recognized. The Sphagnum islets regarded as a typical component of peat bog, in Korea were first described at the center of the Ohmi. We conclude that the Ohmi is a primeval keystone habitat of the Sumeunmulbaengdui intermediate moor with a less oligotrophic ombrotrophic environment.

제주도 숨은물벵뒤 습지보호지역 내에는 야생 동물과 탈출 가축을 부양하는 작고 얕은 못, 이른바 오미가 있다. 본 연구는 숨은물벵뒤 오미 식물군락의 다양성과 그 분포를 밝힌다. 오미의 크기는 매우 작지만, 미소서식처 환경조건에 대응하는 여섯 가지 식물사회를 정교하게 기재하였다: 이탄소도-보그식생형의 물이끼류군락, 원수대 부엽식생형의 좀어리연꽃군락, 연안대 정수식생형의 송이고랭이군락과 좀올챙이골군락, 연안대 순간식생형의 바늘골-진땅고추풀군락과 검은곡정초-개수염군락. 이들 식물군락은 수심에 따라 대상분포하였다. 고층습원의 전형요소 물이끼섬이 오미 중앙에 발달하고 있음이 국내에서 처음으로 밝혀졌다. 오미습원은 '빗물의존 약한 빈영양 환경'을 갖는 하나의 독특한 중간습원으로 숨은물벵뒤 습지보호지역 속에서 높은 자연성을 갖는 핵심서식처로 평가되었다.

Keywords

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