褐藻ヒジキの光強度，水温，塩分濃度に対する光合成特性～付着珪藻の着生との関係～

DOI 日本農学文献記事索引 Web Site 被引用文献2件 参考文献9件

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タイトル別名
  • Photosynthesis Activities of the Brown Alga Sargassum fusiforme under Different Light Intensities, Sea Water Temperature and Salinities in Relation to an Attachment of Sessile Diatoms
  • カッソウ ヒジキ ノ ヒカリ キョウド スイオン エンブン ノウド ニ タイスル コウゴウセイ トクセイ フチャク ケイソウ ノ チャクセイ ト ノ カンケイ

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The growth and maturation cycle of the brown alga Sargassum fusiforme and the cell numbers of sessile diatoms attached on thalli of the alga were observed in a field. Photosysnthetic rates of the alga and two sessile diatoms Navicula britannica and Cylindrotheca closterium were measured under different light intensities, water temperatures and salinities in a laboratory. The alga showed the maximum length of main branches and matured in July throughout the year. In August, the main branches matured withered and shed, and new main branches germinated. Cell numbers of sessile diatoms attached on the alga thalli markedly increased in July. From the photosynthetic characteristics, the alga had more extensive threshold to light and temperature than the two sessile diatoms, but that to salinity was restricted. It seemed that the alga was attached by sessile diatoms under low salinity below 8 psu.

収録刊行物

  • 水産増殖

    水産増殖 54 (3), 383-390, 2006

    日本水産増殖学会

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