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동해 울주 주변해역 암반 조간대에 서식하는 대형저서동물 군집의 종조성 및 분포 양상
박수현,윤호섭,안윤근,김정,최상덕 전남대학교 수산과학연구소 2016 수산과학연구소논문집 Vol.24 No.-
This study investigated the community structure and spatio-temporal variation of macrobenthic assemblages on the intertidal rocky shore of Ulju, East Sea of Korea, from January 2011 to November 2011. A total number of species was 79 species, density was 7,108 individuals and biomass was 18,001.0 g. The species number of macrobenthic community was in the range form 25 in winter to 46 in autumn. Abundance fluctuated between 120(St. 3) and 1,252(St. 6) inds. m-2. The major dominant species were Mytilus edulis, Thais clavigera and Septifer virgatus in period of investigation. Cluster analysis were applied to assess the spatio-temporal fluctuation in the macrobenthic assemblages. Cluster analysis ordination analysis based of the Bray-Curtis similarity identified 2 groups(Group A: stations 4-7, Group B: stations 1-3). The group A was numerically dominated by the Mytilus edulis and Thais clavigera. The group B was collected mainly such as Septifer virgatus and Thais bronni.