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http://dx.doi.org/10.13047/KJEE.2019.33.1.86

Characteristics of Natural Habitats of Rare Species, Tofieldia nuda  

Kwon, Soonsik (Department of Forest Environment System, Kangwon National University)
Hwang, In-Soo (Department of Forest Environment System, Kangwon National University)
Park, Wan-Gun (Division of Forest Science, Kangwon National University)
Cheong, Eun Ju (Division of Forest Science, Kangwon National University)
Publication Information
Korean Journal of Environment and Ecology / v.33, no.1, 2019 , pp. 86-106 More about this Journal
Abstract
We investigated the environmental conditions of natural habitats of T. nuda. The species was found on rocky northern hills ($60{\sim}90^{\circ}$) near the stream where the sea level ranges 95~145m. The average annual temperature of the habitats was lower than other places of South Korea. The differences of the lowest and the highest of the year was significantly huge than any other places. Plants were growing at the edge of stream that water reached but not submerged. Most of plants were found in North, Northeast or Northwest. It is suggested that these species require moist and low sunlight for growth. The common vegetation along with the T. nuda includes Mukdenia rossii, Selaginella rossii, Calamagrostis epigeios, and Rhododendron yedoense f. poukhanense. The dominance values and sociability of T. nuda were below 3 in all studied habitats and the variance of the number of individuals among the habitats was very high. As the optimum habitats for the T. nuda are decreasing due to the extreme precipitation patterns. It is also expected that the number of T. nuda will be decreased in the future. Therefore restoration activity in situ or ex situ must be conducted to conserve this valuable plant species.
Keywords
TOFIELDIA NUDA; RARE SPECIES; NATURAL HABITATS; CLIMATE CHANGE; RESTORATION;
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