연복초(Adoxa moschatellina L.)의 분포와 자생지 입지환경 -강원도를 중심으로-
Distribution and Habitats Environmental Characteristics of Adoxa moschatellina L. -Focus on Prov. Gangwon-do-
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초록
강원도 연복초 자생지 입지환경을 알아보기 위하여 분포지를 밝히고 9개 지역의 22 지점을 대상으로 환경요인,식생 및 토양분석을 실시하였다. 연복초는 강원도 동해시,속초시, 고성군과 양구군을 제외한 14개 시군의 총 44개지역에 분포하는 것으로 확인되었다. 자생지는 해발 99-1,084 m의 범위에 위치하였으며, 경사는 0-25°로 비교적완만하였다. 식생조사 결과 방형구 내에 출현한 관속식물은총 215분류군이었다. 초본층의 중요치는 연복초가 32.8%로 가장 높았으며 다음으로는 벌깨덩굴(7.5%), 미나리냉이(5.1%), 미치광이풀(3.8%), 현호색(3.3%) 등의 순으로 나타나 이 종류들이 연복초와 친화도가 높은 것으로 생각된다. 식생의 양적지수를 산출한 결과 종다양도는 0.4870-0.9848,균등도와 우점도는 각각 0.4525-0.7601 과 0.1335-0.4191의 범위로 나타났다. 각 방형구내에 조사된 종류들의 중요치에 기초한 군집분석 결과에서는 우점종의 상이성에 의해유집되는 경향을 보였다. 토양 분석결과 포장용수량, pH 그리고 유기물함량은 각각 4.29-38.45%, 4.61-5.98,2.44-20.21%의 범위로 조사되었다.
Abstract
This study intended to investigate the distribution of natural habitats, and the environmental factors, vegetation and soil analysis at 22 different sites of 9 regions in order to understand the environmental characteristics of Adoxa moschatellina in Prov. Gangwon-do. Natural habitats are confirmed at 44 regions of 14 cities and counties except for Donghae-si, Sokcho-si, Gosung-gun and Yanggu-gun in Prov. Gangwon-do. Natural habitats were located at altitudes of 99-1,084 m with slope inclinations of 0-25°. A total of 215 vascular plant taxa are identified from 22 quadrates. Importance value for members of the herbaceous (H) layer were as follows: Adoxa moschatellina 32.8%; Meehania urticifolia 7.5%;Cardamine leucantha 5.1%; Scopolia japonica 3.8%; Corydalis remota 3.3%. The importance value of the last four species are high, so they are at affinity with Adoxa moschatellina in their habitats. Species diversity of investigated sites ranged 0.4870-0.9848, and that of evenness and dominance are 0.4525-0.7601 and 0.1335-0.4191, respectively. Cluster analysis based on importance value appeared the high relations with differences of dominance species. Field capacity of investigated sites ranged 4.29-38.45%, and the soil pH and organic matter were 4.61-5.98 and 2.44-20.21, respectively.
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