The Korean Journal of Malacology (한국패류학회지)

The Malacological Society of Korea (한국패류학회)
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Spatial Species Diversity of Macrobenthos in the Intertidal Zone of Hwasoon, Jeju Islands

화순 조간대 저서 대형무척추동물의 공간적 종다양성에 관한 연구

  • Published : 2001.06.01
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Abstract

The distribution and seasonal changes of the intertidal macrobenthos community was performed on five intertidal rocky stations of Hwasoon at Jeju Islands September 1999 to August 2000. The macrobenthos was composed of six phyla, 13 classes, 24 orders, 49 families, and 97 species. The dominant species of the upper zones were Nodilittorina exigua, Notoacmea schrenckii, Liolophura japonica and Patelloida saccharina. Those of the middle zones were Monodonta labio, Chthamalus challengeri, Siphonalia japonica and Liolophura japonica. Those of the lower zones were Siphonalia sirius, Patelloida saccharina, Chthamalus challengeri, and Liolophura japonica. The community dominance indices of the upper zones were much higher than those of the middle and lower zones. Species diversity and evenness in all investigated zones were highest in station 1 and lowest in staton 3. But, species richness was highest in station 1 and lowest in station 4.

1999년 9월부터 2000년 8월까지 제주도 안덕면 화순리 화순화력발전소 인접 5개 지점 조간대의 대형저서무척추동물의 분포와 군집구조에 관한 연구결과는 다음과 같다. 화순화력발전소 인접 조간대에 분포하는 대형무척추동물은총 6 문, 13 강, 24 목, 49 과, 97 종이 출현하였다. 조간대 상부구역의 제 1 우점종은 좁쌀무늬총알고둥, 제 2우점종은 군부 (Liolophura japonica), 테두리고등 (Patelloida saccharina), 배무래기 (Notoarmea schrenckii) 이였다. 중부구역의 제 1 우점종은 울타리고등 (Monodonta labio), 작은조무래기따개비 (Chthamalus challengeri), 고랑딱개비 (Siphonalia japonica), 군부 (L. japonica), 울타리고등 (M. labio)이였으며, 제 2 우점종은 배무래기 (N.schrenckii), 울타리고등 (M. labio), 진주담치 (Mytilus edulis), 거북손 (Mitella mitella), 군부 (L. japonica) 이였다. 하부구역의 제 1 우절종은 꽃고랑딱개비 (Siphonalia sirius), 작은조무래기따개비 (C. challengeri), 해변말미잘(Actinia mesembryanthemum), 테두리고등 (P. saccharina), 울타리고등 (M. labio) 이였으며, 제 2 우점종은 배무래기 (N. schrenckii), 군부 (L. japonica), 석회관갯지렁이(Serpula vermicularis), 울타리고등 (M. labio)이였다. 조간대 종다양도지수나 균등도, 풍부도는 하부구역이 상부구역이나 중부구역에 비하여 컸다.

Keywords

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