八代海における浮遊珪藻Ｓｋｅｌｅｔｏｎｅｍａ　ｃｏｓｔａｔｕｍ（Ｇｒｅｖ．）Ｃｌｅｖｅの分布

DOI 日本農学文献記事索引 Web Site 被引用文献3件

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  • Seasonal and horizontal distributions of phytoplanktonic diatom Skeletonema costatum (Grev.) Cleve in Yatsushiro Sea.
  • ヤツシロカイ ニ オケル フユウ ケイソウ Skeletonema costa

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The seasonal and horizontal distributions of Skeletonema costatum (GREV.) CLEVE were observed five times in the surface water of Yatsushiro Sea, Kumamoto and Kagoshima Prefectures, from October 1983 to November 1984. Numerically, S. costatum was by far the most important phytoplankton, with two maxima in February and in August. In terms of cell number, this species amounts to more than 50% of the total phytoplankton whenever the community density is more than 105 cells/l. The first maximum in February seems to be triggered by the release from zooplankton grazing pressure, since the high cell density of S. costatum and the high concentration of DIP were observed widely in Yatsushiro Sea. The second maximum in August seems to be attributed to the nutrients supplied through R. Kuma, since a marked horizontal gradient of S. costatum strongly related to those of salinity and DIP.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 53 (1), 141-144, 1987

    公益社団法人 日本水産学会

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