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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 | ||||||
言語 | en | |||||
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 | ||||||
内容記述タイプ | Other | |||||
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 | ||||||
内容記述タイプ | Abstract | |||||
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. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
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 |