Papers - AZUMA NOBUYUKI
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Gonadal state of wild amphioxus populations and spawning success in captive conditions during the breeding period in Japan
K Kubokawa, T Mizuta, M Morisawa, N Azuma
ZOOLOGICAL SCIENCE 20 ( 7 ) 889 - 895 2003.7
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Field evidence for bioluminescent signaling in the pony fish, Leiognathus elongatus
A Sasaki, K Ikejima, S Aoki, N Azuma, N Kashimura, M Wada
ENVIRONMENTAL BIOLOGY OF FISHES 66 ( 4 ) 307 - 311 2003.4
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Hydraulic Survey on Flow Characteristics in Vertical-Slot Type Fishway
Izumi MATTASHI, Sugawara KENJI, Kudo AKIRA, Azuma NOBUYUKI
Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 2003 ( 228 ) 773 - 780 2003
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ASCENDING ROUTE OF FISHES AT A WALL IN ICE-HARBOR TYPE FISHWAY OF THE AKAISHI NUMBER 2 HEAD-WORKS
IZUMI Mattashi, TAKAYA Daisuke, KUDO Akira, AZUMA Nobuyuki
PROCEEDINGS OF HYDRAULIC ENGINEERING 47 763 - 768 2003
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The Ascending characteristics of Fishes in the wall of Ice-Harbor Type Fishway of Akaishi
Izumi MATTASHI, Takaya DAISUKE, Kudo AKIRA, NOBUYUKI Azuma
Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 2002 ( 217 ) 55 - 63 2002
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Comment on the "Features: Evaluation of fishways"
AZUMA Nobuyuki
Ecology and Civil Engineering 4 ( 1 ) 87 - 90 2001
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Study on Flow Characteristics and Ascending Fishes in Ice-Harbor Type Fishway of Akaishi-The number 2 Headworks on The Akaishi River
Izumi MATTASHI, Takaya DAISUKE, Kudo AKIRA, Azuma NOBUYUKI
Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 2001 ( 215 ) 637 - 646,a2 2001
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Behaviour of Japanese dace Leuciscus hakonensis and Masu salmon Oncorhynchus masou during flood period.
AZUMA Nobuyuki, KAMOSHITA Shingo, SAWARA Yuji, SEKI Yasuo, WATANABE Katsuei
ENVIRONMENTAL SYSTEMS RESEARCH 27 793 - 798 1999
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FLOW CHARACTERISTICS AND ASCENDING OF FISHES IN ICE HARBOR TYPE FISHWAY OF MITUMENAI-HEADWORKS
IZUMI Mattashi, KUDO Akira, AZUMA Nobuyuki
PROCEEDINGS OF HYDRAULIC ENGINEERING 43 989 - 994 1999
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A Survey of Amphioxus (Cephalochordata: Branchiostoma belcheri) in the Offing of Misaki
Nishino Atsuo, Kubokawa Kaoru, Sekifuji Mamoru, Azuma Nobuyuki, Morisawa Masaaki
BENTHOS RESEARCH 54 ( 1 ) 29 - 35 1999
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MIGRATORY BEHAVIOR OF JUVENILE AYU RELATED TO FLOW FIELDS IN DENIL AND STEEPPASS FISHWAYS
WADA Kiyoshi, AZUMA Nobuyuki, NAKAMURA Shunroku
PROCEEDINGS OF HYDRAULIC ENGINEERING 42 499 - 504 1998
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Large schools of Japanese sardines, Sardinops melanostictus, mate in single pair units at night
M Shiraishi, N Azuma, Aoki, I
ENVIRONMENTAL BIOLOGY OF FISHES 45 ( 4 ) 405 - 409 1996.4
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魚類における摂餌様式の切り替え
東信行
生物科学 45 67 - 73 1993
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Tidal rhythm and predator-prey relationship in estuarine fishes
Sawara, Y. & N. Azuma
Arch. Hydrobiol. Beih 35 145 - 159 1992
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Feeding Activity of the Grey Heron Ardea cinerea in Tidal and Non-tidal Environments
SAWARA Yuji, AZUMA Nobuyuki, HINO Kimiaki, FUKUI Kaoru, DEMACHI Gen, SAKUYAMA Muneki
Japanese Journal of Ornithology 39 ( 2 ) 45 - 52 1990