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http://dx.doi.org/10.13047/KJEE.2021.35.3.237

Internal Dynamics of Wetland Specialist, Population of Lychnis wilfordii (Regel) Maxim.  

Chae, Hyun-Hee (Graduate School of Biology, Gangneung-Wonju National University)
Kim, Young-Chul (Research Center for Natural Science, Gangneung-Wonju National University)
Kwak, Myoung-Hai (Plants Resource Division, Biological Resources Research Department, National Institute of Biological Resource)
Nam, Gi-Heum (Plants Resource Division, Biological Resources Research Department, National Institute of Biological Resource)
Publication Information
Korean Journal of Environment and Ecology / v.35, no.3, 2021 , pp. 237-255 More about this Journal
Abstract
Lychnis wilfordii (Regel) Maxim. is one of the wetland specialists mainly distributed in peatlands at high latitudes. In Korea, it is isolated in two regions. This study investigated habitats, growth traits, and self-compatibility of L. wilfordii and assessed the internal dynamics of its population persistence. Its population has remained stable in the Yongneup Wetland Protected Area (YWPA). There was a clear difference in vegetation environment between YWPA and the distribution area in Daegwallyeong (DWL), Pyeongchang-gun. It has self-compatibility while pollinators facilitate its seed production. It produces a large number of hibernacles and bears the maximum number of branches and fruits in soil with rich organic contents. However, it grows and bears fruits even under the condition of low organic contents. In YWPA, L. wilfordii is not distributed in high moor but widely distributed in low moor where tussocks by Carex thunbergii var. appendiculata are developed. It is mainly distributed on the top of tussocks also. Therefore, it is judged that the formation, growth, and extinction of tussocks by C. thunbergii var. appendiculata is closely related to the establishment, growth, and extinction of plants distributed in this space. It is assessed that the current YWPA has well-developed tussocks in which L. wilfordii is widely distributed, and extinction and re-establishment progress well. Accordingly, the L. wilfordii population is expected to be sustainable in the long term given if its current ecological process is maintained well.
Keywords
HABITAT SPECIALIST; ENDANGERED PLANT SPECIES; TUSSOCK; FACULTATIVE-WETLAND SPECIALIST; CYCLIC SUCCESSION;
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