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    Academic Journals

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• Free-living marine bacterioplankton composition and diversity along the Kuroshio region.

  Authors:Ariana Chih-Hsien Liu, Feng-Hsun Chang, Jinny Wu Yang, Hiroaki Saito, Yu Umezawa, Chung-Chi Chen, et al.From:Deep-Sea Research. Part I, Oceanographic Research Papers (Vol. 183) Peer-Reviewed

  May 2022562 words Report

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• Potential oxygen consumption and community composition of sediment bacteria in a seasonally hypoxic enclosed bay.

  Authors:Fumiaki Mori, Yu Umezawa, Ryuji Kondo, Gregory N. Nishihara, and Minoru WadaFrom:PeerJ (Vol. 9) Peer-Reviewed

  Aug. 10, 20218,613 words Article 1510LThe dynamics of potential oxygen consumption at the sediment surface in a seasonally hypoxic bay were monitored monthly by applying a tetrazolium dye (2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyl-2H-tetrazolium chloride...

• Macroalgal metabolism and lateral carbon flows can create significant carbon sinks.

  Authors:Kenta Watanabe, Goro Yoshida, Masakazu Hori, Yu Umezawa, Hirotada Moki, and Tomohiro KuwaeFrom:Biogeosciences (Vol. 17, Issue 9) Peer-Reviewed

  May 5, 2020348 words Brief article Macroalgal beds have drawn attention as one of the vegetated coastal ecosystems that act as atmospheric CO.sub.2 sinks. Although macroalgal metabolism as well as inorganic and organic carbon flows are important pathways...

• Highly heterogeneous diazotroph communities in the Kuroshio Current and the Tokara Strait, Japan

  Authors:Shunyan Cheung, Koji Suzuki, Hiroaki Saito, Yu Umezawa, Xiaomin Xia, and Hongbin LiuFrom:PLoS ONE (Vol. 12, Issue 10) Peer-Reviewed

  Oct. 23, 20178,306 words Report 1500LIn this study, we used 454-pyrosequencing to report the highly diverse diazotroph communities in the Kuroshio and its adjacent waters along a transect across the Tokara Strait, Japan. Terrestrial input from the islands...

• Cycling of phosphorus maintains the production of microphytobenthic communities in carbonate sediments of a coral reef

  Authors:Masahiro Suzumura, Toshihiro Miyajima, Hiroshi Hata, Yu Umezawa, Hajime Kayanne, and Isao KoikeFrom:Limnology and Oceanography (Vol. 47, Issue 3) Peer-Reviewed

  May 2002230 words Abstract

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• Fine-scale mapping of land-derived nitrogen in coral reefs by [delta][.sup.15]N in macroalgae

  Authors:Yu Umezawa, Toshihiro Miyajima, Masumi Yamamuro, Hajime Kayanne, and Isao KoikeFrom:Limnology and Oceanography (Vol. 47, Issue 5) Peer-Reviewed

  Sept. 2002195 words Abstract

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