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http://dx.doi.org/10.5532/KJAFM.2010.12.1.023

Stand Structure and Dynamics in Forests around Nari Basin of Ulleung Island, Korea  

Chung, Jae-Min (Korea National Arboretum)
Hwang, Sun-Mi (Korea National Arboretum)
Kim, Yoo-Mi (Korea National Arboretum)
Shin, Jae-Kwon (Korea National Arboretum)
Kim, Myong-Soo (Korea National Arboretum)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.12, no.1, 2010 , pp. 23-35 More about this Journal
Abstract
For the sustainable conservation of forests within and around the somma of Nari basin in Ulleung Island, the stand structure and dynamics with the aspect, altitude and stand types were estimated by using analyses of importance value, plant species diversity, S$\o$rensen's similarity index and distributions of diameter classes. Results of the importance value analysis with vegetation stories on each stand showed that Fagus engleriana and Acer okamotoanum were dominant in most stands regardless of the aspect and altitude of the forest around the somma of Nari basin and the plant species composition among stands was not significantly different. The forest within Nari basin was composed of pine, beech, alder and deciduous-mixed stand. Moreover, the species composition was greatly different among the four stands. The diversity of plant species within stand was in general higher within Nari basin than around the somma, and among stands within Nari basin, the plant species diversity of pine and deciduous-mixed stand showed higher values than that of beech and alder stands. The similarity index among stands with aspect and altitude showed that the index among stands of eastern, western and northern slope in forest around the somma and forest within the basin ranged from 0.68 to 0.69, and the similarity among four stands with altitude was very high having index range from 0.85 to 0.95. The patterns of diameter class distribution of the major dominant species from four altitude classes followed an almost normal bell-shaped distribution. The results were interpreted as an indication that these forests will in general maintain a stable stand structure. Therefore, despite diverse topographic features around Nari basin, the stand structure and plant species composition among stands were not diversified as expected. For the conservation of diversity of forest plant species and of forest ecosystems, a promising and intensive program should be considered.
Keywords
Stand structure; Importance value; Plant species diversity; Nari bsin; Ulleung Island;
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Times Cited By KSCI : 3  (Citation Analysis)
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