EFFECTS OF INCREASING DISCHARGE ON SWIMMING BEHAVIOR OF <i>ZACCO PLATYPUS</i>
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- ONITSUKA Kouki
- Graduate School, Kyushu Institute of Technology University
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- AKIYAMA Juichiro
- Graduate School, Kyushu Institute of Technology University
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- HIRANO Yoichi
- Graduate School, Kyushu Institute of Technology University
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- KASUGAI Keisuke
- Graduate School, Kyushu Institute of Technology University
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- MOMOTANI Kazuya
- Kyushu Institute of Technology University
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- FURUSATO Yoshiko
- Kyushu Institute of Technology University
Bibliographic Information
- Other Title
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- 増水がオイカワの遊泳挙動に及ぼす影響
- ゾウスイ ガ オイカワ ノ ユウエイ キョドウ ニ オヨボス エイキョウ
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Abstract
The floods sometimes occur so that the discharge, velocity, flow depth are changed. In such situations, fish behaviors may be changed. However, there is little information on the fish behaviors in flood. In this study, the swimming behaviors of Zacco Platypus (Oikawa) in the increasing discharge flows were recorded with a digital video camera. It was found that swimming speed of Zacco Platypus increased with an increase of velocity. In contrast, the ground speed of Zacco Platypus did not so change, irrespective of increasing discharge. The ground speed and swimming distance of Zacco Platypus did not change, even if the acceleration of velocity is changed. The effects of the acceleration on the swimming behavior of Zacco Platypus was smaller than that of the velocity.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 71 (4), I_1075-I_1080, 2015
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001205352088960
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- NII Article ID
- 130005123488
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- NII Book ID
- AN10426673
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- ISSN
- 18808751
- 2185467X
- 09167374
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- NDL BIB ID
- 026352449
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed