厚岸湖における有用二枚貝を取り巻く物質循環モデル Numerical Study on Nutrient Cycles in Akkeshi Estuary Focused on the Influence of Bivalve

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著者

    • 岸 道郎 KISHI Michio J.
    • 北海道大学大学院水産科学研究科資源環境科学講座 Marine Environment and Resources Laboratory of Marine Environmental Science, Hokkaido University
    • 向井 宏 MUKAI Hiroshi
    • 北海道大学北方生物圏フィールド科学センター生物群集生態領域群集生態分野 Akkeshi Marine Station, Aquatic Research Station Field Science Center for Northern Biosphere, Hokkaido University

抄録

Bivalve has an important role in the marine ecosystem of Akkeshi estuary, which is located in eastern Hokkaido, Japan. To discuss the role of benthos and epiphyte on the material cycle in this area, we modified a three-dimensional physical-biological coupled model (MK-3). The ecosystem model includes eelgrasses, epiphytes, oysters and clams together with phytoplankton, zooplankton, POM and DOM and is based on nitrogen and phosphorus cycles. A physical model was forced by M2 tide. In this area, the role of clams on the material cycle is much larger than that of oysters, and epiphytes uptake nutrient twice as large as phytoplankton. We estimated nutrient release from sediment was smaller than previous estimation in sensitivity analysis, and we found that eelgrasses and epiphytes had an important role in supply for the food of clams and oysters.

収録刊行物

  • 日本ベントス学会誌 = Japanese journal of benthology  

    日本ベントス学会誌 = Japanese journal of benthology 61, 66-76, 2006-07-28 

    JAPANESE ASSOCIATION OF BENTHOLOGY

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各種コード

  • NII論文ID(NAID)
    10018213072
  • NII書誌ID(NCID)
    AA11376003
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    1345112X
  • NDL 記事登録ID
    8068578
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z74-B668
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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