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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 30
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 30
  5. 1

Problems in the identification of ""Sargassum duplicatum"" group

https://doi.org/10.15083/00040770
https://doi.org/10.15083/00040770
da96331c-8e8e-43a9-a534-a165c52c4de2
名前 / ファイル ライセンス アクション
KJ00004354601.pdf KJ00004354601.pdf (1.1 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-04-05
タイトル
タイトル Problems in the identification of ""Sargassum duplicatum"" group
言語
言語 eng
キーワード
主題Scheme Other
主題 morphology
キーワード
主題Scheme Other
主題 variation
キーワード
主題Scheme Other
主題 Sargassum
キーワード
主題Scheme Other
主題 S. duplicatum
キーワード
主題Scheme Other
主題 S. crassifolium
キーワード
主題Scheme Other
主題 S. cristaefolium
キーワード
主題Scheme Other
主題 S. turbinarioides
キーワード
主題Scheme Other
主題 S. turbinatifolium
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040770
ID登録タイプ JaLC
著者 Ajisaka, Tetsuro

× Ajisaka, Tetsuro

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Ajisaka, Tetsuro

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著者所属
著者所属 Graduate School of Global Environmental Studies, Kyoto University
抄録
内容記述タイプ Abstract
内容記述 The morphological variations of characteristics of leaves and vesicles were studied in a Sargassum duplication Bory population from Owase, Mie Prefecture, Japan. Even in this small population, four morphologically different plants (type 1, 2, 3 and 4) were distinguished by their characteristics of leave and vesicles, as follows. Type 1 had slender oblanceolate leaves and entire vesicles, type 2 had broader elliptical leaves and apiculated, or crowned or phyllocyst vesicles, type 3 had slender lanceolate leaves and variable vesicles, and type 4 had broader elliptical leaves and entire or apiculated vesicles, respectively. However, these all plants from Owase showed scutellate holdfasts and slightly compressed primary branches. From the characteristics of holdfast, primary branch and dioecious sexuality, all these plants (type 1 to 4) from Owase should be identified as Sargassum duplicatum Bory having very wide variation ranges of leaves and vesicles, regardless of few cup-shaped characteristic leaves. Typical S. duplicatum has been usually distinguished its morphology of cup-shaped leaves, vesicles with horn-like appendages and dioecious sexuality in the receptacles. On the other hand, typical S. crassifolium showed the leaves with double seriated margin, phyllocyst-like vesicles, and monoecious sexuality in the receptacles. However, there were some confusing on the morphology of these leaves and vesicles, so these two species were now called the member of ""S. duplicatum"" group including several species (S. cristaefolium, S. turbinatifolium, S, turbinarioides et al.). From the wide variation in the leaves and vesicles of S. duplicatum in Japan as above, we need furthermore study of morphological variations and DNA analysis on these species in the East Asian and Southeast Asian populations.
書誌情報 Coastal marine science

巻 30, 号 1, p. 174-178, 発行日 2006-04-28
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題Scheme NDC
主題 452
出版者
出版者 International Coastal Research Center, Ocean Research Institute, the University of Tokyo
出版者別名
東京大学海洋研究所国際沿岸海洋研究センター
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