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2024 Vol.11, Issue 4

Original Article

Changes in Flora of Vascular Plants and a Proposal for Biodiversity Conservation in Dongbaekdongsan Wetland Protection Area, Jeju Island, South Korea

제주 동백동산습지 습지보호지역의 식물상 변화와 관리방안

Sangwook Han1*
,
Yeounsu Chu2
,
Suhwan Kim3
,
Sanghun Lee4
한 상욱1*
,
추 연수2
,
김 수환3
,
이 상훈4
1Researcher, Wetlands Research Team, National Institute of Ecology, Changnyeong 50303, Korea
2Junior Researcher, Wetlands Research Team, National Institute of Ecology, Changnyeong 50303, Korea
3Senior Researcher, Wetlands Research Team, National Institute of Ecology, Changnyeong 50303, Korea
4Team Manager, Wetlands Research Team, National Institute of Ecology, Changnyeong 50303, Korea
1국립생태원 습지연구팀 연구원
2국립생태원 습지연구팀 전임연구원
3국립생태원 습지연구팀 선임연구원
4국립생태원 습지연구팀 책임연구원
*Corresponding Author
31 December 2024. pp. 111-134
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Abstract

Jeju Island has developed and spread mountainous wetlands that are naturally filled with water on a terrain composed of volcanic ash and lava deposits. This study was conducted to understand the annual changes in the flora of the Dongbaekdongsan wetland in Jeju, and to formulate an efficient management plan for the wetland protection area. Field surveys were conducted seasonally in 2012, 2017, and 2023. The drought outbreak in the wetland and the opening of a heavy equipment access road to remove Pine wilt disease in 2017 caused a slight decrease in the vascular flora, but by 2023 the habitat was stable and the number of species gradually increased. The resultant vascular flora consisted of 400 taxa in 109 families, 286 genera, 364 species, 9 subspecies, 24 varieties, and 3 varieties. Wetland plant species diversity increased from 2017 to 2023 with 31 new taxa of wetland plants, including Potamogeton distinctus, Caldesia pamassifolia, and others, as growing conditions gradually improved due to the formation of various water pools in the wetlands. The Dongabaekdongsan wetland is facing the risk of damage to the habitats of Jeju's endemic plants with high conservation value, such as Mankyua chejuensis, Daphne jejudoensis and a decline in the species diversity of the genus due to human disturbance caused by the influx of tourists and the spread of annual and Theorophytes (Th) and other organisms that disturb the ecosystem. Therefore, it is necessary to manage the wetland ecosystem in a healthy manner by minimizing trampling pressure in the wetland through the blocking of non-exploration paths in the Dongbaekdongsan wetland in Jeju and the removal of ecosystem-disturbing organisms.

Keywords
Flora diversity
Invasive alien plant
Korea endemic plant
Wetland plant
Wetland preference

제주도에는 화산재와 용암 침적물로 이루어진 지형에 자연적으로 물이 고인 산지습지가 발달 및 분포하고 있다. 본 연구는 제주 동백동산습지의 연도별 관속식물 변화상을 파악하여 습지보호지역의 효율적인 관리방안을 마련하기 위해 진행되었다. 현장조사는 2012년, 2017년, 2023년에 걸쳐 계절별로 이루어졌다. 2017년에는 습지 내 가뭄발생과 소나무재선충 감염목 제거를 위한 중장비 진입로 개설로 인해 관속식물상이 다소 감소하였으나, 2023년에는 서식처가 안정적으로 유지되면서 종수가 점차적으로 증가하였다. 그 결과 관속식물상은 109과 286속 364종 9아종 24변종 3품종 총 400분류군으로 확인되었다. 습지식물은 습지 내 다양한 물웅덩이의 형성으로 인해 생육조건이 점차적으로 개선되어 2017년부터 2023년까지 가래, 둥근잎택사 등 31분류군의 습지식물이 새롭게 확인되어 종 다양성이 증가하였다. 제주 동백동산습지는 탐방객 출입으로 인한 인위적 교란, 일·이년생 초본(Th)과 생태계교란 생물 등의 확산으로 제주고사리삼, 제주백서향 등 보전 가치가 높은 제주 특산식물의 서식처가 훼손되고 관속식물의 종다양성이 저하될 위험에 직면해 있다. 따라서, 제주 동백동산습지 내 비탐방로 차단을 통한 습지 내 답압 최소화, 생태계교란 생물 제거 등으로 습지 생태계를 건강하게 관리할 필요가 있다.

키워드
식물다양성
생태계교란 식물
한국특산식물
습지식물
습지선호도
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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 : 11
  • No :4
  • Pages :111-134
  • Received Date : 2024-10-15
  • Revised Date : 2024-11-20
  • Accepted Date : 2024-11-22
  • DOI :https://doi.org/10.17820/eri.2024.11.4.111
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