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  1. 040 理学部
  2. 0402 紀要
  3. 04021 Journal of the Faculty of Science, Shinshu University
  4. Vol. 32

Diel vertical migration of Daphnia in Lake Kizaki : Difference in its pattern depending on the daphnid's body size

http://hdl.handle.net/10091/10648
http://hdl.handle.net/10091/10648
98679994-cc3e-4b0b-bba0-5974c12b6034
名前 / ファイル ライセンス アクション
Science32-02-03.pdf Science32-02-03.pdf (603.1 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-10-06
タイトル
言語 en
タイトル Diel vertical migration of Daphnia in Lake Kizaki : Difference in its pattern depending on the daphnid's body size
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 HANAZATO, Takayuki

× HANAZATO, Takayuki

WEKO 36913

en HANAZATO, Takayuki

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SAMBO, Shin'ichiro

× SAMBO, Shin'ichiro

WEKO 36914

en SAMBO, Shin'ichiro

Search repository
HAYASHI, Hidetake

× HAYASHI, Hidetake

WEKO 36915

en HAYASHI, Hidetake

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 信州大学理学部紀要 32(2): 77-88(1998)
書誌情報 信州大学理学部紀要

巻 32, 号 2, p. 77-88, 発行日 1998-03-30
抄録
内容記述タイプ Abstract
内容記述 The pattern of diel vertical migration (DVM) of Daphnia galeata was analyzed in summer in Lake Kizaki (a small mesotrophic lake) with maximum depth of 29.5 m. Juveniles, small adults and medium-sized adults stayed the whole day at 4-8, 8 and 14 m depths, respectively, and did not perform DVM, while large adults showed DVM between 14 m and near the bottom layer (26-27.5 m). Smaller adults had larger clutch sizes relative to their body size and allocated more energy to reproduction than larger adults. They might have compensated for loss due to predation by producing abundant offspring in the epilimnion where the food level was higher. On the other hand, the larger adults performed DVM to reduce mortality due to predation at the cost of reduced reproductivity induced by environmental factors in the hypolimnion (low concentrations of food and oxygen). The study thus demonstrated that even a single population of Daphnia can show different DVM patterns depending on body size (life stage).
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
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