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  • P-ISSN2765-2203
  • E-ISSN2765-2211

Characteristics of Vascular Plants in Yongyangbo Wetlands

Proceedings of the National Institute of Ecology of the Republic of Korea, (P)2765-2203; (E)2765-2211
2021, v.2 no.3, pp.153-165
https://doi.org/10.22920/PNIE.2021.2.3.153
Kwang-Jin Cho (Wetlands Research Team, Wetland Center, National Institute of Ecology)
Weon-Ki Paik (Daejin University)
Jeonga Lee (3Vegetation & Ecology Research Institute Corp.)
Jeongcheol Lim (Wetlands Research Team, Wetland Center, National Institute of Ecology)
Changsu Lee (Wetlands Research Team, Wetland Center, National Institute of Ecology)
Yeounsu Chu (Wetlands Research Team, Wetland Center, National Institute of Ecology)

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Abstract

The objective of this study was to provide basic data for the conservation of wetland ecosystems in the Civilian Control Zone and the management of Yongyangbo wetlands in South Korea. Yongyangbo wetlands have been designated as protected areas. A field survey was conducted across five sessions between April 2019 and August of 2019. A total of 248 taxa were identified during the survey, including 72 families, 163 genera, 230 species, 4 subspecies, and 14 varieties. Their life-forms were Th (therophytes) - R5 (non-clonal form) - D4 (clitochores) - e (erect form), with a disturbance index of 33.8%. Three taxa of rare plants were detected: Silene capitata Kom. and Polygonatum stenophyllum Maxim. known to be endangered species, and Aristolochia contorta Bunge, a least-concern species. S. capitata is a legally protected species designated as a Class II endangered species in South Korea. A total of 26 taxa of naturalized plants were observed, with a naturalization index of 10.5%. There was one endemic plant taxon (Salix koriyanagi Kimura ex Goerz). In terms of floristic target species, there was one taxon in class V, one taxon in Class IV, three taxa in Class III, five taxa in Class II, and seven taxa in Class I. Three invasive alien species (Ambrosia trifida L., Ambrosia artemisiifolia L., and Humulus japonicus Siebold & Zucc) were observed. For continuous conservation of Yongyangbo Wetlands, it is necessary to remove invasive alien plants and block the inflow of non-point pollutants.

Submission Date
2021-05-20
Revised Date
2021-06-10
Accepted Date
2021-06-11

Proceedings of the National Institute of Ecology of the Republic of Korea