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長野県におげる湖沼環境の現状 : 1991年の調査から
https://shinshu.repo.nii.ac.jp/records/39201
https://shinshu.repo.nii.ac.jp/records/3920170995788-470f-4a46-810d-aef919159ca1
名前 / ファイル | ライセンス | アクション |
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https://soar-ir.repo.nii.ac.jp/?action=repository_action_common_download&item_id=16848&item_no=1&attribute_id=65&file_no=1
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Item type | Research Paper(1) | |||||
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公開日 | 2020-09-04 | |||||
タイトル | ||||||
タイトル | 長野県におげる湖沼環境の現状 : 1991年の調査から | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Present State of Lake Environment in Nagano prefecture in 1991 | |||||
作成者(その他言語) |
渡辺, 義人
× 渡辺, 義人× 沖野, 外輝夫× 中本, 信忠× 林, 秀剛× 桜井, 善雄 |
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公開者(その他言語) | ||||||
姓名 | 信州大学環境科学研究会 | |||||
書誌情報 |
環境科学年報 巻 17, p. 51-62, 発行日 1995-03-31 |
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言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nagano Prefecture | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | lake environment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | eutrophication | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | water quality | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 長野県 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 湖沼環境 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 富栄養化 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 水質 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | This report is an out1ine of the lake environment in Na gano pref. in 1991. This is based mainly on the result of “The Fourth National Survey on the Natural Environment conducted by EPA Japan. We took a part in the research on natural lakes in Nagano pref.For this investigation,39 lakes having as urface area larger than 0.01 km' were selected. These many lakeslocate in the northern part of Nagano area. According to the trophic state,39 lakes were classified into five groups (eutrophic: 8,m esotrophic: 13,o ligotrophic: 13,a cidtrophic: 2a nd dystrophic :3) . The natural state of lake environment was judged based on the ratio of the length of natural shore line to the whole length of its shore line. The lake located over 1,500 m have been preserved mostly in the natural state. Most of them were located in special protection areas such as a national park. The lake environment at the lower altitude tends to deteriorate. For example,t he shore line more than 95% of Suwa-ko and Fukami北e(759 and 484 m in altitude,re spectively) has been embanked artificialy The present state of lake environment in N agano prefecture is shown by the parameters related to water quality,s uch as transparency,C hlorophyll-a,C OD,n itrogen and phosphorus. | |||||
日付 | ||||||
日付 | 2015-09-28 | |||||
日付タイプ | Created | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
その他の資源識別子 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 環境科学年報17:51-62(1995) | |||||
資源識別子URI | ||||||
識別子 | http://hdl.handle.net/10091/12407 | |||||
識別子タイプ | HDL | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-7492 | |||||
処理レコードID(総合目録DB) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN1054947X | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |