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KMID : 0368419770200040141
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Journal of Plant Biology
1977 Volume.20 No. 4 p.141 ~ p.149
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Size-distribution for Major Tree Species in Kwhangnung Forest Communities
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Abstract
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In this sampling obtained 7,108 measurements for all trees larger than 2.5㎝ (1.0 inch) dbh from seven stands in Kwhangnung. In terms of similarity indices seven stands are classified into three kind of forest coniferous, mixed, and broadleaved forest communities. For ten major tree species in a three forest communities the size distributions are studied. Two forms of size distributions were observed ; (1) linear relationships of log numbers of stem vs. size indicating stablesize distributions; (2) convex to bell shaped size distributions reflecting declining populations with a low natality rate.
Survivorship analyses showed that successional trends seem to be: Pinus densilflora→Quercus aliena and Q. serrata→Carpinus laxiflora→C. erosa→Acer pseudosieboldianum var. Koreanum. These results agree with the results from ordination method. An alternate pathways that Pinus koraiensis seems to be replaced by C. laxiflora were observed. It seems that successional trend is not unidirection, but rather multi-directional.
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