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Why is Trichodesmium abundant in the Kuroshio?
http://hdl.handle.net/10069/36125
http://hdl.handle.net/10069/36125f76097c2-0e2f-4a9b-915c-323da7b29e80
名前 / ファイル | ライセンス | アクション |
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BG11_1297.pdf (8.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-01-25 | |||||
タイトル | ||||||
タイトル | Why is Trichodesmium abundant in the Kuroshio? | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Shiozaki, Takuhei
× Shiozaki, Takuhei× Takeda, Shigenobu× Itoh, Sachihiko× Kodama, Taketoshi× Liu, Xin× Hashihama, Fuminori× Furuya, Ken |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The genus Trichodesmium is recognized as an abundant and major diazotroph in the Kuroshio, but the reason for this remains unclear. The present study investigated the abundance of Trichodesmium spp. and nitrogen fixation together with concentrations of dissolved iron and phosphate in the Kuroshio and its marginal seas. We performed the observations near the Miyako Islands, which form part of the RyGBRyu Islands, situated along the Kuroshio, since our satellite analysis suggested that material transport could occur from the islands to the Kuroshio. Trichodesmium spp. bloomed (> 20 000 filaments L-1) near the Miyako Islands, abundance was high in the Kuroshio and the Kuroshio bifurcation region of the East China Sea, but was low in the Philippine Sea. The abundance of Trichodesmium spp. was significantly correlated with the total nitrogen fixation activity. The surface concentrations of dissolved iron (0.19-0.89 nM) and phosphate (< 3-36 nM) were similar for all of the study areas, indicating that the nutrient distribution could not explain the spatial differences in Trichodesmium spp. abundance and nitrogen fixation. Numerical particle-tracking experiments simulated the transportation of water around the RyGBRyu Islands to the Kuroshio. Our results indicate that Trichodesmium growing around the RyGBRyu Islands could be advected into the Kuroshio. | |||||
書誌情報 |
Biogeosciences 巻 12, 号 23, p. 6931-6943, 発行日 2015-12-04 |
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出版者 | ||||||
出版者 | European Geosciences Union | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 17264189 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5194/bg-12-6931-2015 | |||||
権利 | ||||||
権利情報 | c Author(s) 2015. This work is distributed under the Creative Commons Attribution 3.0 License. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Biogeosciences, 12(23), pp.6931-6943; 2015 |