EFFECTS OF DIAMETER OF PROTRUSIONS AND DISCHARGE PER UNIT WIDTH IN FISH LADDER FOR EELS ON MIGRATION RATE OF <i>Anguilla Japonica</i>
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- ONITSUKA Kouki
- 九州工業大学大学院 建設社会工学研究系
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- AKIYAMA Juichiro
- 九州工業大学 建設社会工学研究系
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- TAKEDA Tamohide
- 九州工業大学大学院 工学府建設社会工学専攻
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- IZUMI Kousuke
- 九州工業大学大学院 工学府建設社会工学専攻
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- UCHIMA Shiyori
- 九州工業大学 工学部建設社会工学科
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- SAKO Tomoya
- 九州工業大学 工学部建設社会工学科
Bibliographic Information
- Other Title
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- ウナギ用魚道内の突起物の直径と単位幅流量がウナギの遡上特性に及ぼす影響
- ウナギヨウ ギョドウ ナイ ノ トッキブツ ノ チョッケイ ト タンイハバ リュウリョウ ガ ウナギ ノ ソジョウ トクセイ ニ オヨボス エイキョウ
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Abstract
Studies on biology and environment of eels Anguilla japonica have been advanced in recent years. However, little is known about fish ladder for eels and migrating characteristics of eels. Especially, special fishways are necessary for demersal fish like young eels. This study was made to evaluate effects on migration rate of eels under the condition that diameter of protrusions and discharge per unit width in fish ladder are changed. It was found that migration rate increases with an increase of discharge per unit width in each of diameter of protrusions. Besides, sinuosity of eels are increasing, and averaged migrating speed is decreasing with an increase of discharge per unit width and diameter of protrsions.
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) 74 (4), I_403-I_408, 2018
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390845713074204672
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- NII Article ID
- 40021504484
- 130007628234
- 120006502958
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- NII Book ID
- AN10426673
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- ISSN
- 18808751
- 2185467X
- 09167374
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- HANDLE
- 10228/00006900
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- NDL BIB ID
- 028903458
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed