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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.12, no.4, 1999³â, pp.312-323
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( External morphology and vegetation of Megaleranthis saniculifolia populations in four different habitats )
À¯±â¾ï;ÀÌ¿ìö;¿À¿µÁÖ; °­¿ø´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;°­¿ø´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;°­¿ø´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;
 
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External morphology, principal component analysis, cluster analysis, and vegetation were investigated to understand the taxonomic relationships and native environmental characters of Megaleranthis saniculifolia populations in four different habitats. Morphological characters such as calyx length and width, calyx index, presence or absence of serrate in calyx lobe, length of peduncle, branch of peduncle and fruit characters were useful for the identification of four different habitats. But, characters of plant height, bract and seed in four habitats were similar. The results obtained based on the principal component(PC) analysis of treated 96 OTU were divided into two groups by PC 1, 2, 3, and the sums of contributions for the total variance were 66.79%(PC1 31.3%, PC2 20.7%, PC3 15.8%, respectively), and only Mt. Taeki population was distinctly different from populations of other three habitats. In cluster analysis based on average linkage cluster analysis and Ward's method, there were similarities in the composition of clustered taxa, and each populations were not identified. Importance value by relative coverage and frequency appeared in M. saniculifolia(50.81%), Aruncus dioicus(12.64%), Corydalus turtschanovii(11.62%), Veratrum oxysepalum(11.45%), Anemone koraiensis(8.96%), Meehania urticifolia(8.76%), Filipendula palmata(7.06%), Aconitum pseudo-laeve(5.66%), Pseudostellaria palibiniana(5.45%) and Smilacina japonica(5.25%), respectively. These species were considered to be highly similar with M. saniculifolia. The highest importance value in all investigated sites was M. saniculifolia, but specific composition of high level different from each habitat. Average diversity of species was 1.40, and the highest in Mt. Kwangdeok(1.31), lowest in Mt. Jumbong(1.17). Average soil pH was 5.25 and similar in each habitat. Although the lowest content of K ion, but the highest the EC, water capacity, organic compound, Ca content were found in soil of Mt. Sobaek. Soils in Mt. Kwangdeok had the lowest content of EC, organic compound, Ca. Soils of Mt. Jumbong showed the highest of Mg content, but the lowest of water capacity, $P_2O_5$, and K contents.
 
Ű¿öµå
external morphology;vegetation;soil;principal component analysis;cluster analysis;Megaleranthis saniculifolia;habitats;importance value;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.12, no.4, 1999³â, pp.312-323
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921402428)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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