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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

THE PROBLEMS OF RESTORING LARGE, SHALLOW LAKES.

http://hdl.handle.net/10091/1942
http://hdl.handle.net/10091/1942
ebe19b90-4289-4fc7-82d9-47647f5357ca
名前 / ファイル ライセンス アクション
Suwa07-02.pdf Suwa07-02.pdf (700.3 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2009-02-27
タイトル
言語 en
タイトル THE PROBLEMS OF RESTORING LARGE, SHALLOW LAKES.
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 eutrophication
キーワード
言語 en
主題Scheme Other
主題 lake restoration
キーワード
言語 en
主題Scheme Other
主題 internal recycling
キーワード
言語 en
主題Scheme Other
主題 bioturbation
キーワード
言語 en
主題Scheme Other
主題 lake margins
キーワード
言語 en
主題Scheme Other
主題 water levels
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 Jewson, D.H.

× Jewson, D.H.

WEKO 47003

en Jewson, D.H.

Search repository
Zlinszky, J.

× Zlinszky, J.

WEKO 47004

en Zlinszky, J.

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: 9-19(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. 9-19, 発行日 1991-03
抄録
内容記述タイプ Abstract
内容記述 The problems of restoring eutrophic, shallow lakes are discussed using examples from three lakes with different surface areas, e.g., L.Neagh (N. Ireland), L.Balaton (Hungary) and L.Suwa (Japan). The water quality in each lake has undergone marked deteriorations during this century and all of them were considered hypertrophic by the late 1970's. Improved sewage treatment was installed and although they all showed some initial recovery (max. chl a down by 25 - 33% by 1984), since then further improvement has been much slower. Two of the main reasons for this are internal recycling and the in-wash of nutrients from non-point sources. In considering the restoration plans for the three lakes, it is important to include inshore areas. Each of these lakes has been lowered and their annual water level fluctuations controlled. To highlight the major ecological problems associated with such changes, L.Neagh, which has a largely 'undeveloped' shoreline but where rare post-glacial habitats are endangered, is compared to L.Balaton, now one of Central Europe's most popular resorts.
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
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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