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Dissolved Oxygen, Bloom of Microcystis and Susu-mizu of Summer-autumn Season in Lake Suwa
http://hdl.handle.net/10091/10410
http://hdl.handle.net/10091/104102a90b4e0-45ab-450e-8cc6-2591d9a29f0f
| 名前 / ファイル | ライセンス | アクション |
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Science02-02-05.pdf (422.4 kB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||
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| 公開日 | 2010-10-06 | |||||||||
| タイトル | ||||||||||
| タイトル | Dissolved Oxygen, Bloom of Microcystis and Susu-mizu of Summer-autumn Season in Lake Suwa | |||||||||
| 言語 | ||||||||||
| 言語 | eng | |||||||||
| 資源タイプ | ||||||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||
| タイプ | departmental bulletin paper | |||||||||
| 著者 |
YAMAGISHI, HIROSHI
× YAMAGISHI, HIROSHI
× OKINO, TOKIO
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| 出版者 | ||||||||||
| 出版者 | 信州大学理学部 | |||||||||
| 引用 | ||||||||||
| 内容記述 | 信州大学理学部紀要 2(2): 139-148(1968) | |||||||||
| 書誌情報 |
信州大学理学部紀要 巻 2, 号 2, p. 139-148, 発行日 1968-03-15 |
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| 抄録 | ||||||||||
| 内容記述 | Vertical distribution of dissolved oxygen and chlorophyll in summer-autumn season were determined in the offshore of Osaka in Lake Suwa. In mid-summer, when whole the surface of the lake was covered with blooming Microcystis, dissolved oxygen in the surface water layer could attain over-saturation to the utmost extent (160%). Late in August the amount of dissolved oxygen markedly decreased less than 90% saturation, in spite of a large amount of Microcystis existed. It might be related to the declining of the photosynthetic activity of the alga. Moreover, if drifting of the upper water containing a great part of Microcystis by wind (Susu-mizu) occurred, serious decrease of dissolved oxygen (less than 50% saturation) was observed. Wind and waves usually were not favorable to increase oxygen into the surface water. In such a situation carps cultured in the floating nets may be exposed to clanger of asphyxia unless a large amount of dissolved oxygen is supplied from surrounding water outside of the nets during the night. There was a relationship between the pH value and the saturation percentage of dissolved oxygen in the water of 0 to 2 m depth. | |||||||||
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| 収録物識別子タイプ | PISSN | |||||||||
| 収録物識別子 | 0583-063X | |||||||||
| 書誌レコードID | ||||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AA00697923 | |||||||||
| 出版タイプ | ||||||||||
| 出版タイプ | VoR | |||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
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Cite as
YAMAGISHI, HIROSHI, OKINO, TOKIO, 1968, Dissolved Oxygen, Bloom of Microcystis and Susu-mizu of Summer-autumn Season in Lake Suwa: 信州大学理学部, 139–148 p.
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