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Distribution of Megaleranthis saniculifolia Ohwi (Ranunculaceae) in Mt. Halla, Jeju Island  

Han, Jong-Won (Department of Natural Medicine Resources, Semyung University)
Lee, Ga-Hyung (Plant Resources & Environment, Jeju National University)
Yang, Sun-Gyu (Department of Biology, Chungbuk National University)
Kang, Shin-Ho (Department of Natural Medicine Resources, Semyung University)
Publication Information
Korean Journal of Plant Resources / v.23, no.2, 2010 , pp. 179-186 More about this Journal
Abstract
This study was conducted to provide basic information for conservation and restoration through investigation of vegetation and soil condition of Megaleranthis saniculifolia Ohwi, Korean endemic species, in Mt. Halla, Jeju Island. Very few individuals were discontinuously distributed and restricted at 1,075 m above sea level, very steep slope ($60-70^{\circ}C$), rocky area of north face of Eorimok Valley. For investigation of environmental condition, we established two $10\;{\times}\;10\;m$ quadrats in the habitats and one control quadrat. Twenty-four species were found at site 1 under 10-12 m Carpinus laxiflora tree layer (35%) and soil conditions are pH 5.9, moisture content (field capacity) 9.39%, organic carbon 8.22% and organic matter 14.17%, respectively. Site2, 15 taxa were found under 8-12 m Platycarya strobilacea tree layer (40%) and soil conditions are pH 5.07, moisture content 4.99%, organic carbon 5.34% and 9.21 percentage of organic matter. In the control quadrat, 14 taxa were found under 10 m Carpinus laxiflora tree layer (10%) and soil conditions are pH 5.27, moisture content 6.23%, organic carbon 4.74% and organic matter 8.17%, respectively. The principal causes of threat which were investigated in this study are competition among company, very steep slopes, artificial management of valley. For restoration and conservation of habitats, it is needed to suitable plans.
Keywords
Megaleranthis saniculifolia; Mt. Halla; vegetation; soil condition; conservation;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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