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2019 Vol.6, Issue 4 Preview Page

Original Article

Structure and Distribution of Vegetation and Their Implications for the Conservation in the Gonggeomji Wetland Protection Area, South Korea

공검지 습지보호지역의 식생 구조와 분포 및 보전을 위한 제안

Cheolho Lee1
,
Hwirae Kim2
,
So Hyun Park3
,
Yeounsu Chu4
,
Jungdo Yoon4
,
Kang-Hyun Cho5*
이 철호1
,
김 휘래2
,
박 소현3
,
추 연수4
,
윤 정도4
,
조 강현5*
1Master Student, Department of Biological Sciences, Inha University, Incheon 22212, Korea
2Undergraduate Student, Department of Biological Sciences, Inha University, Incheon 22212, Korea
3Researcher, Rana Ecological Research Institute, Namyangju 12144, Korea
4Junior Researcher, Wetlands Research Team, National Institute of Ecology, Changnyeong 50303, Korea
5Professor, Department of Biological Sciences, Inha University, Incheon 22212, Korea
1인하대학교 생명과학과 석사과정
2인하대학교 생명과학과 학사과정
3라나생태연구소 연구원
4국립생태원 습지연구팀 전임연구원
5인하대학교 생명과학과 교수
* Corresponding Author
31 December 2019. pp. 267-276
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Abstract

The Gonggeomji Reservoir is a historical irrigation facility built in the 8th century and designated as a wetland protected area by Ministry of Environment, Korea. In order to collect the baseline data necessary for developing a sustainable conservation strategy, we investigated the classification of actual vegetation, the vegetation distribution and the floristic structure of the vegetation in the Gonggeomji Wetland Protection Area. In the whole protection area, a total of 26 plant communities were classified including the wetland, riparian, grassland, forest, farmland, and orchard vegetation. According to the results of detrended correspondence analysis, the structure of wetland vegetation was mainly affected by water depth and human disturbance. In reservoir wetlands, floating vegetation such as Utricularia vulgaris var. japonica, Trapa japonica, and emergent vegetation such as Nelumbo nucifera, Typha spp. completely covered the water surface. Since 2014, the reservoir wetland has been terrestrialized with the expansion of emergent and hygrophytic plants. For the sustainable conservation and restoration of wetland protected areas, it is necessary to naturalize the topography and wetland vegetation, recovery the hydrologic system, and restore ecosystem connectivity from wetlands to forests.

Keywords
Disturbance
Species diversity
Terrestrialization
Vegetation map
Water depth

상주 공검지는 8세기에 축조된 고대 유적 저수지로서 습지보호지역으로 지정되어 있다. 이곳에서 지속가능한 보전 전략을 수립하는데 필요한 기초자료를 수집하기 위하여, 현존 식생을 분류하고 식생도를 작도하며 식생의 구조적 특징을 파악하고 환경과의 관계를 규명하였다. 공검지 습지보호지역에서는 저습지, 하천, 산림, 초지, 농경지, 과수원 식생에 속하는 총 26개 식물군집이 분류되었다. 탈경향대응분석 (detrended correspondence analysis) 결과에 따르면 습지 식생의 구조는 주로 수심과 인간 교란에 따라서 영향을 받았다. 저수지 습지에서는 통발, 마름과 같은 부수식물과 연꽃, 부들류와 같은 정수식물이 수면을 완전히 피복하고 있었다. 2014년 이후에 점차 정수식물과 습생식물의 분포 면적이 늘어나는 육역화가 빠르게 진행되고 있었다. 습지보호지역의 지속가능한 보전과 복원을 위하여, 지형과 식생을 복원하고, 수문 체계를 회복시키며, 습지로부터 산지까지의 생태계 연결성을 회복한 것이 필요하다고 생각된다.

키워드
교란
종다양성
육역화
식생도
수심
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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 6
  • No :4
  • Pages :267-276
  • Received Date : 2019-11-26
  • Revised Date : 2019-12-08
  • Accepted Date : 2019-12-08
  • DOI :https://doi.org/10.17820/eri.2019.6.4.267
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