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  1. 120 山岳科学総合研究所
  2. 1202 紀要・刊行物
  3. 12023 信州大学理学部付属諏訪臨湖実験所報告
  4. No. 07

PERSPECTIVES OF WATER QUALITY IMPROVEMENT BY AQUATIC MACROPHYTES AS NUTRIENT SINK IN THE LAKE PALDANGHO, KOREA

http://hdl.handle.net/10091/1952
040c73f5-6049-4b5c-9117-8634e37bbd60
名前 / ファイル ライセンス アクション
Suwa07-20.pdf Suwa07-20.pdf (486.9 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2009-02-27
タイトル
タイトル PERSPECTIVES OF WATER QUALITY IMPROVEMENT BY AQUATIC MACROPHYTES AS NUTRIENT SINK IN THE LAKE PALDANGHO, KOREA
言語
言語 eng
キーワード
主題Scheme Other
主題 Aquatic macrophyte
キーワード
主題Scheme Other
主題 Water quality improvement
キーワード
主題Scheme Other
主題 Resin bag
キーワード
主題Scheme Other
主題 Litter bag
キーワード
主題Scheme Other
主題 Nutrient cyclings
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 Kim, Joon-Ho

× Kim, Joon-Ho

WEKO 47040

Kim, Joon-Ho

Search repository
Cho, Kang-Hyun

× Cho, Kang-Hyun

WEKO 47041

Cho, Kang-Hyun

Search repository
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 信州大学理学部付属諏訪臨湖実験所報告 7: 167-175(1991)
書誌情報 信州大学理学部付属諏訪臨湖実験所報告

巻 7, p. 167-175, 発行日 1991-03
抄録
内容記述タイプ Abstract
内容記述 Improvement of water quality by aquatic macrophytes was studied at the Lake Paldangho, a reservoir supplying the service water for 15 million inhabitants in the Capital of Korea. Annual production of aboveground of emergent plants having 1800 g DW/m² for Typha angustata and 1700g DW/m² for Zizania latifolia, are 15- to 30-folds as large as those of submersed plants having 110 g DW/m² for Ceratophyllum demersum and 60 g DW/m² for Hydrilla verticillata. Although concentrations of nitrogen and phosphorus in mg per g dry matter of emergent plants are small as a half of those of submersed ones, standing nutrients in g per m² of the former are 8- to 9-folds as large as that of the latter because of large production. Annual return of nutrients from the litters are also more in emergent plants than in submersed one. In the whole Lake the uptake amounts by macrophyte (sink) are 30.3 ton of nitrogen and 4.9 ton of phosphorus, and the return amounts from the litter (source) are 18.5 ton of nitrogen and 4.3 ton of phosphorus. Difference between the sink and the source, 11.8 ton for nitrogen and 0.6 ton for phosphorus, will remain in sediment of littoral zone. If aboveground of macrohytes are weeded out on time occurring the maximum production nutrients remaining will be reduced. To increase the annual production, repetitive harvesting of Zizania latifolia is effective.
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
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00089817
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