書誌事項
- タイトル別名
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- Biological Nitrogen Fixation and Denitrification in Lake Kasumiga-ura
- カスミガウラ ニ オケル セイブツテキ チッソ コテイ ト ダッチツ
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抄録
The biological nitrogen fixation and denitrification were studied in Lake Kasumiga-ura to evaluate the significance of the biological processes for nitrogen enrichment and the self-purification in aquatic environments. The water and sediment samples were collected from several sites and analyzed for the amount of inorganic nitrogen, the nitrogen-fixing activity by acetylene reduction method, the denitrifying activity by nitrous oxide formation and the numbers of total heterotrophic bacteria and denitrifying bacteria. No significant activities of nitrogen fixation and denitrification were found in the lake water in this study. The rate of denitrification in sediments was about two orders of magnitude higher than that of nitrogen fixation. The average microbial activities of nitrogen fixation in sediments sampled in July, August and December were 0.02, 0.11, and 0.14 μg N/g/day, respectively ; those of denitrification are 4.1, 8.1, 93.4 μg N/g/day, respectively. These results suggest that the surface sediments in Lake Kasumiga-ura have a high potential for self-purification of nitrogenous compounds in water and sediments.
収録刊行物
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- 陸水学雑誌
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陸水学雑誌 40 (1), 1-9, 1979
日本陸水学会
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詳細情報 詳細情報について
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- CRID
- 1390282679039096320
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- NII論文ID
- 130003644503
- 40003720289
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- NII書誌ID
- AN0024866X
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- COI
- 1:CAS:528:DyaL3cXhtFKju7k%3D
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- ISSN
- 18824897
- 00215104
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- NDL書誌ID
- 2040588
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可