干潟造成における立地選定と土壌構造を決定する因子に関する研究 Study on Selection of Location in Constructed Tidal Flat and Controlling Factors on Soil Structure

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著者

    • 李 正奎 LEE Jeoung gyu
    • 広島大学工学部環境基礎化学講座 Department of Environmental Science, Faculty of Engineering, Hiroshima University
    • 西嶋 渉 NISHIJIMA Wataru
    • 広島大学工学部環境基礎化学講座 Department of Environmental Science, Faculty of Engineering, Hiroshima University
    • 岡田 光正 OKADA Mitsumasa
    • 広島大学工学部環境基礎化学講座 Department of Environmental Science, Faculty of Engineering, Hiroshima University

抄録

The purpose of this study was to idntify the controlling factors to construct tidal flat ecosystems having similar characteristics as natural ones. We transplanted the soil in a constructed tidal flat to a natural one and vice versa. Parameters monitored after these transplantations were silt content, organic matter, bacterial population and oxidation-reduction potential. Moreover, the relationship among silt content, organic matter and bacterial population was investigated by laboratory column experiment.The silt content, organic matter, bacterial population and vertical profile of oxidation-reduction potential in the soil transplanted from the constructed tidal flat to the natural one changed to similar values to those in the natural one. On the contrary, all the parameters for the soil transplanted from the natural tidal flat to the constructed one changed to similar values as those in the constructed one. The silt contents in these two transplanted soils were in proportion to the organic carbon contents and bacterial population. Similary, the bacterial population in laboratory column experiment increased with the increase in silt and organic matter contents. It seemed to be important to select a place to enhance accumulative of silt and/or to maintain the silt content by hydrodynamical control of seawater in order to construct a tidal flat having similar characteristics as natural one.

収録刊行物

  • 水環境学会誌 = Journal of Japan Society on Water Environment  

    水環境学会誌 = Journal of Japan Society on Water Environment 22(7), 595-599, 1999-07 

    公益社団法人 日本水環境学会

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各種コード

  • NII論文ID(NAID)
    10004452903
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09168958
  • NDL 記事登録ID
    4802441
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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