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RISS 인기검색어
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- 저자 : 원정혜 ( Jun Im Song (검색결과 2 건)
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Systematic Relationship of the Anthozoan Orders Based on the Partial Nuclear 18S rDNA Sequences
송전임,원정혜,Song, Jun-Im,Won, Jung-Hye The Korean Society for Integrative Biology 1997 Korean journal of biological sciences Vol.1 No.1
Systematic relationship of 13 species representing seven orders of anthozoans, and one hydrozoan as an outgroup, were investigated. Distance and parsimony methods were used to analyze nucleotide sequence data obtained from the 18S rDNA. The inferred phylogeny indicates that two orders, Ceriantharia and Antipatharia within subclass Ceriantipatharia, are not closely related to each other. Instead, the former appears to be the most ancestral group among anthozoans but the latter is more closely related to order Actiniaria within subclass Zoantharia. The result also indicates that the actiniarian may not be a monophyletic group, because Epiactis Japonica is related more to order Scleractinia. Subclass Octocorallia appears to be a monophyletic group, within which order Pennatulacea diversed at first, and then orders Alcyonacea and Gorgonacea diversed later.
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송준임,이인숙,원정혜 ( Jun Im Song,In Sook Lee,Jung Hye Won ) 한국환경생물학회 1995 환경생물 : 환경생물학회지 Vol.13 No.2
For the biosystematic studies on the marine fouling invertebrates in Korea, a faunal and ecological study on macrozoobenthos was carried out at Onsan Bay, where have been affected by the industrial progress due to the economic development. The materials were collected from Onsan Bay and unpolluted area by qualitative and quantitative sampling methods. Macrobenthic animals collected during the study were identified 243 species in total which were consisting of 11 spp. in Hydrozoa. 10 spp. in Anthozoa among Cnidaria, 16 spp. in Polyplacophora. 126 spp. in Gastropoda, 42 spp. in Bivalvia among Mollusca. and 38 spp. in Ascidiacea. And they were 42 spp. from Onsan and 88 spp. from Ulgi in summer season and 106 spp. from Ch`undo and 107 spp. from Tangsa in winter season. The species composition seems to be related to seasonal variation and polluted conditions. Macrobenthic communities indicated that the number of species were more and more depending on unpolluted conditions, and the abundance and the biomass were more and more depending on polluted conditions. The dominant species investigated in these sites according to the importance value (Ⅳ) were as follows: Obelia geniculata, Mytilus edulis, Ostrea circumpicta at Onsan: Botrylloides violaceus, Mytilus edulis, Crassostrea gigas at Ch`undo: Melithaea flabellifera at Ulgi: Symplectoscyphus hozowai at Tangsa. And their vertical distribution and the substrata of each sites were investigated and observed altogether. In order to understand the structure of macrobenthic community, such as ecological indices like species diversity(H), eveness(e) and dominance(C) were measured: H: 1.40-2.21: e: 0.21-0.36: C: 0.44-0.53.
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