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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

Morphological and photosynthetic studies on Gracilarian species from Trat Province, eastern Thailand

https://doi.org/10.15083/00040779
https://doi.org/10.15083/00040779
cc7d5854-bc58-44fd-84d8-be93de1f6451
名前 / ファイル ライセンス アクション
KJ00004354610.pdf KJ00004354610.pdf (2.3 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 Morphological and photosynthetic studies on Gracilarian species from Trat Province, eastern Thailand
言語
言語 eng
キーワード
主題Scheme Other
主題 Gracilaria
キーワード
主題Scheme Other
主題 photosynthesis
キーワード
主題Scheme Other
主題 morphology irradiance
キーワード
主題Scheme Other
主題 temperature
キーワード
主題Scheme Other
主題 Thailand
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 10.15083/00040779
ID登録タイプ JaLC
著者 Phooprong, Sukanya

× Phooprong, Sukanya

WEKO 139578

Phooprong, Sukanya

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Ogawa, Hisao

× Ogawa, Hisao

WEKO 139579

Ogawa, Hisao

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Nanba, Nobuyoshi

× Nanba, Nobuyoshi

WEKO 139580

Nanba, Nobuyoshi

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著者所属
著者所属 School of Fisheries Science, Kitasato University
抄録
内容記述タイプ Abstract
内容記述 Morphological and photosynthetic characteristics of the three Thai species of Gracilaria, G. changii, G. firma and G. salicornia distributed in the same habitat at Cho Bay, Trat Province, eastern Thailand were studied. The three species can be identified morphologically, however, some specimens have intermediate morphologies among them. G. firma has terminal branches without or with some furcations and blunt apices, first-order of branches always constricted at the bases; G. changii has many branches, inflated at the middle and tapering toward apices, all branches abruptly constricted at the bases; G. salicornia has cylindrical to compressed branches with regular or irregular arrangement of branches, constricted or continuous and intermediate species has branches inflated, tapering to apices, with and without constriction at bases. To elucidate the species status of Gracilaria species, we examined their photosynthetic and respiratory responses to irradiance and temperature by Oxygen Analyzer Series 3600. Net photosynthetic rate in species of Gracilaria from Trat Province was dependent on temperature. It increased with an increase in temperature from 25-35℃, while the rate decreased at 40℃. Photosynthetic responses were similar for all species when plants were exposed from 30 to 35℃. The P_<max> was significantly highest at 35℃ (0.39mg O_2cm^<-2>h^<-1>) for intermediate species, while the lowest was at 40℃ in G. firma (0.09mg O_2cm^<-2>h^<-1>). The photosynthetic rate responses to high irradiance and temperature by intermediate species are indicative of either adaptation to environmental variation or an outcome of hybridization between the three species.
書誌情報 Coastal marine science

巻 30, 号 1, p. 226-232, 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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