書誌事項
- タイトル別名
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- Source-sink Relationship in N and P between Sediments and Overlying Water in Eutrophic Lake Koyama in Tottori.
- 鳥取県湖山池における池水と底質間のN,Pのsource-sink関係
- トットリケン コヤマイケ ニ オケル チスイ ト テイシツカン ノ N P ノ
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抄録
A model experiment was conducted in order to clarify the source-sink relationship of N and P between the sediments and overlying water in eutrophic lake Koyama in Tottori. Two and 10 mg·l-1 NO3-N and 0.2 and 1 mg·l-1 PO4-P were added to the 900 ml water on 150 g sediments. The water temperature was kept at 15, 20 and 25 C, respectively.<br>The sediments functioned as sink in both concentrations of N and P. It was likely that the NO3-N was changed to different forms by bacteria and the PO4-P was fixed by physico-chemical processes in the sediment.<br>The sediments functioned as source when distilled water was used as the overlying water. Ammonium N and organic N, PO4-P and organic P were supplied by sediments to the overlying water.<br>It seemed that the sediments contributed to maintain the concentration of N and P in the overlying water as that in the lake water.
収録刊行物
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- 水環境学会誌
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水環境学会誌 20 (12), 857-859, 1997
公益社団法人 日本水環境学会
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詳細情報 詳細情報について
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- CRID
- 1390001205081638016
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- NII論文ID
- 10020521862
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- NII書誌ID
- AN10372439
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- COI
- 1:CAS:528:DyaK1cXpsFGmtg%3D%3D
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- ISSN
- 18813690
- 09168958
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- NDL書誌ID
- 4366382
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可