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  1. 020 教育学部
  2. 20 紀要
  3. 11 新潟大学教育学部研究紀要 自然科学編
  4. 第3巻第1号
  1. 0 資料タイプ別
  2. 03 紀要論文

自然酸性河川における水生昆虫の現存量 : 長野県須高地方,松川及び米子川の例

http://hdl.handle.net/10191/13296
http://hdl.handle.net/10191/13296
cb7e9fff-c22d-4074-8518-57a6e797a6c8
名前 / ファイル ライセンス アクション
3(1)_31-40.pdf 3(1)_31-40.pdf (2.3 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-10-29
タイトル
タイトル 自然酸性河川における水生昆虫の現存量 : 長野県須高地方,松川及び米子川の例
タイトル
言語 en
タイトル 自然酸性河川における水生昆虫の現存量 : 長野県須高地方,松川及び米子川の例
言語
言語 jpn
キーワード
主題Scheme Other
主題 酸性河川
キーワード
主題Scheme Other
主題 水生昆虫
キーワード
主題Scheme Other
主題 現存量
キーワード
主題Scheme Other
主題 好酸性種
キーワード
主題Scheme Other
主題 Protonemura
キーワード
主題Scheme Other
主題 Rhyacophila
キーワード
主題Scheme Other
主題 酸性化
キーワード
主題Scheme Other
主題 acidified river
キーワード
主題Scheme Other
主題 aquatic insect
キーワード
主題Scheme Other
主題 standing stock
キーワード
主題Scheme Other
主題 acidbiontic species
キーワード
主題Scheme Other
主題 Protonemura
キーワード
主題Scheme Other
主題 Rhyacophila
キーワード
主題Scheme Other
主題 acidification
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Standing Stock of Aquatic Insects in Naturally Acidified River, Rivers Matsukawa and Yonagogawa in Sudaka District, Nagano, Japan
著者 福原, 晴夫

× 福原, 晴夫

WEKO 156345

福原, 晴夫

Search repository
古木, 真理華

× 古木, 真理華

WEKO 156346

古木, 真理華

Search repository
著者別名
識別子 156347
識別子Scheme WEKO
姓名 Fukuhara, Haruo
著者別名
識別子 156348
識別子Scheme WEKO
姓名 Furuki, Marika
抄録
内容記述タイプ Abstract
内容記述 Acidification of inland waters, lakes and rivers, has been largely influenced on aquatic organisms at sensitive regions in Europe, Canada and North America. To analysis the effects of acidification on aquatic organisms in Japan, the relationships between pH gradient and standing stocks of aquatic organisms, mainly aquatic insects, were investigated using naturally acidified rivers including neutral tributaries. River water of Matsukawa and Yonagogawa and their tributaries in Sudaka district of Nagano Prefecture, containing various concentrations of SO_4^<2-> showed the pH spectrum from 2.8 to 6.4 at 16 sampling sites. Very low biomass of aquatic invertebrates was measured in acidic sites below pH 4.5, whereas high concentration of chlorophyll-a and invertebrate biomass were recorded at sites above pH 5.9. Protonemura sp. in Plecoptera and Rhyacophila sp. in Trichoptera dominated in biomass and population density in acidic water with Orthocladinae sp. The larva of Ephemeroptera dominated only in sites above pH 5.9. We may present pH 6 for chemical threshold that biological changes by acidification begin to start from this level under the considerations of our results and some papers concerning the pH-threshold for aquatic organisms.
書誌情報 新潟大学教育学部研究紀要 自然科学編
en : 新潟大学教育学部研究紀要 自然科学編

巻 3, 号 1, p. 31-40, 発行日 2010-10
出版者
出版者 新潟大学教育学部
ISSN
収録物識別子タイプ ISSN
収録物識別子 18833845
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA12358288
著者版フラグ
値 publisher
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