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KMID : 0380119830060030187
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Korean Journal of Ecology
1983 Volume.6 No. 3 p.187 ~ p.197
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The Secondary Vegetation of the Burned Area of a Mountain in Dangji-Dong
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Kim Woen
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Abstract
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This report is a series of the investigation of the secondary vegetation and succession at the forest fire area in Dangji-Dong of Kyungsang-pookdo province. The forest fires occurred on April 8, 1982. This investigation was carried out from June 18, 1982 to May 29, 1983 once in each season. Before to fires, the Pinus densiflora was dominant and the woody plants of understory were mainly composed of the Quercus serrata, Q. dentata, Lespedeza maritima and L. maximowiczii. Compared with the floristic composition between the unburned and burned areas after the fires, the floristic composition of unburned ared comprises: 79 families, 194 genera, 223 species, 26 varieties and 6 formae(255kinds of vascular plants), and that of burned area: 62 families, 146 genera, 168 species, 16 varieties, 6 formae and 1 subsp.(191 kinds of vascular plants). The index of similarity shows 0.77(Sφrenson:1948) in this area. The analyses of the life-form compositions in the unburned and burned area show 32.9% and 29.3% in dormancy form(H), 42.4% and 37.7% in disseminule form(D_1), 80.8% and 82.2% in radicoid form(R_5), and 57.7% and 61.8% in erect form(e) respectively. The biological type shows H-D_1-R_5-e, which is common in both areas, and erect form is generally prevailing in these communities.
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