Papers - AZUMA NOBUYUKI
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Effectiveness of vole control by owls in apple orchards
Murano Chie, Kasahara Satoe, Kudo Seiya, Inada Aya, Sato Sho, Watanabe Kana, Azuma Nobuyuki
Journal of Applied Ecology 2019.3
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New records of a freshwater fish parasite <i>Argulus japonicus</i> (Branchiura: Argulidae) from northern Honshu, Japan, with a note on its occurrence in a brackish water lake
Nagasawa Kazuya, Nitta Masato, Azuma Nobuyuki
Crustacean Research 53 ( 0 ) 1 - 15 2024.2
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Relationship between Head Difference among Pools and Upstream Success Rates of Gobies (<i>Gymnogobius </i>spp.) in Pool-and-Weir Fishway
YATAYA Kenichi, KOIKE Haruto, MAWATACHI Izumi, MARUI Atsushi, AZUMA Nobuyuki
Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 92 ( 2 ) I_259 - I_268 2024
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Behavior and Forward Movement Ability of Underyearling <i>Cottus reinii</i> in Running Water
YATAYA Kenichi, MIKI Kyotaro, MARUI Atsushi, AZUMA Nobuyuki
Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 92 ( 2 ) II_69 - II_75 2024
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Genetic analyses of Japanese field vole winter diet in apple orchards with deep snow cover
C Murano, J Sato, T Wada, S Kasahara, N Azuma
Mammal study 48 ( 4 ) 219 - 229 2023.6
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Isotopic diet analysis of the Japanese water shrew Chimarrogale platycephala to estimate their feeding habits and the usefulness of body hair samples
Nao Shiozuka, Izumi Katano, Toko Kanzaki, Ryota Kikuchi, Nozomu Sato, Rumiko Nakashita, Seiya Kudo, Hiroshi Ikeda, Nobuyuki Azuma
Mammal study 48 ( 1 ) 19 - 29 2023.1
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Dietary analysis of the Great Cormorant <i>Phalacrocorax carbo</i> wintering in Aomori Prefecture, using DNA metabarcoding
SHIZUKA Kazunori, KASAHARA Satoe, AZUMA Nobuyuki
ORNITHOLOGICAL SCIENCE 22 ( 2 ) 183 - 190 2023
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Habitat preferences, genetic isolation and climatic vulnerability of an endangered freshwater crayfish and a widespread freshwater crab in streams of northern Japan
Tsubasa Hinosawa, Saki Kinami, Atsushi Sogabe, Akifumi Ohtaka, Nobuyuki Azuma, Hiroshi Ikeda
Aquatic Conservation: Marine and Freshwater Ecosystems 2023
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Unique population dynamics of Japanese field vole: Winter breeding and summer population decline
Chie Murano, Hayato Iijima, Nobuyuki Azuma
Population Ecology 2022.7
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Relationship between vertical distribution of <i>Pseudaspius hakonensis</i> and environmental factors in a stratified dam reservoir
Nagaoka Shohei, Kuroda Mitsuki, Minami Kenji, Okitsu Jiro, Shirakawa Hokuto, Osugi Tomonori, Azuma Nobuyuki, Ueda Kenta, Zhu Yanhui, Nakamori Riku, Sato Nobuhiko, Miyashita Kazushi
Laguna 29 ( 0 ) 99 - 114 2022.6
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成層化したダム湖におけるウグイ（Pseudaspius hakonensis）の生息場と環境要因との関係の解明
長岡祥平, 黒田充樹, 南憲吏, 沖津二朗, 白川北斗, 大杉奉功, 東信行, 上田健太, 朱妍卉, 中森陸, 佐藤信彦, 宮下和士
Laguna 29 99 - 114 2022.5
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Establishment of, and long-term changes in, Great Cormorant colonies in Aomori Prefecture
HONDA Rina, ABE Seiichi, TAKAHASHI Masao, AZUMA Nobuyuki
Japanese Journal of Ornithology 71 ( 1 ) 21 - 28 2022.4
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Acoustic measurement of the cyanobacterium Microcystis aeruginosa using a quantitative echo sounder in Lake Sakura
Nakamori Riku, Minami Kenji, Shirakawa Hokuto, Zhu Yanhui, Okitsu Jiro, Osugi Tomonori, Azuma Nobuyuki, Kim Sangyeob, Tanida Kazumi, Kuroda Mitsuki, Nagaoka Shohei, Sato Nobuhiko, Miyashita Kazushi
Laguna 29 ( 0 ) 87 - 98 2022.3
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Unique population dynamics of Japanese field vole: Winter breeding and summer population decline
Population Ecology 1 - 13 2022.2
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Asymmetric antipredator behaviour in a mixedspecies colony of two non-mobbing bird species
Honda R. and Azuma N.
Ardea 109 ( 2 ) 167 - 173 2021.12
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Asymmetric antipredator behaviour in a mixedspecies colony of two non-mobbing bird species
Honda R, Azuma N
ARDEA 109 ( 2 ) 167 - 173 2021.12
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Identification of novel yolk ferritins unique to planarians: planarians supply aluminum rather than iron to vitellaria in egg capsules
Osamu Kawase, Hisashi Iwaya, Yoshiya Asano, Hiromoto Inoue, Seiya Kudo, Motoki Sasahira, Nobuyuki Azuma, Daisuke Kondoh, Madoka Ichikawa-Seki, Xuenan Xuan, Kimitoshi Sakamoto, Hikaru Okamoto, Hinaki Nakadate, Wataru Inoue, Ikuma Saito, Miyu Narita, Kiyono Sekii, Kazuya Kobayashi
Cell and Tissue Research 386 ( 2 ) 391 - 413 2021.11
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Ⅱ-6. Assessing the usefulness of trace elements for evaluating the spawning migration of Pacific cod <i>Gadus macrocephalus</i>
KUDO SEIYA, OMIYA AKIKO, MIURA TAICHI, WATANABE IZUMI, AZUMA NOBUYUKI
NIPPON SUISAN GAKKAISHI 87 ( 5 ) 551 - 551 2021.9
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青森県津軽地域における繁殖期のチゴハヤブサの採食内容
立石淑恵・高橋雅雄・東 信行
Bird Research 17 A-1 - A-9 2021.2
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Distribution of Japanese Eel Anguilla japonica Revealed by Environmental DNA
Akihide Kasai, Aya Yamazaki, Hyojin Ahn, Hiroki Yamanaka, Satoshi Kameyama, Reiji Masuda, Nobuyuki Azuma, Shingo Kimura, Tatsuro Karaki, Yuko Kurokawa, Yoh Yamashita
Frontiers in Ecology and Evolution 9 2021.2
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FIELD EXPERIMENT ON THE CRITICAL SWIMMING SPEED OF NATURAL FINGERLING SWEETFISH (<i>Plecoglossus altivelis altivelis</i>) DURING THE INITIAL PERIOD OF UPSTREAM RIVER MIGRATION
IZUMI Mattashi, SUGIMOTO Arisa, MARUI Atsushi, AZUMA Nobuyuki
Journal of JSCE 9 ( 1 ) 63 - 70 2021.1
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Diet of the Eurasian Hobby breeding in Western Aomori, Northern Honshu
Tateishi Yoshie, Takahashi Masao, Azuma Nobuyuki
Bird Research 17 ( 0 ) A1 - A9 2021
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Breeding philopatry and natal philopatry of Russet Sparrow <i>Passer cinnamomeus</i> breeding in lowland open forest in eastern Aomori Prefecture
SASAKI Miyu, SUZUKI Haruna, TAKAHASHI Masao, EBINA Jun-ichi, AZUMA Nobuyuki
The Bulletin of the Japanese Bird Banding Association 32 ( 1_2 ) 12 - 20 2020.12
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クロコ期のニホンウナギを対象とした遊泳能力の測定
矢田谷健一, 泉 完, 東 信行, 丸居 篤
土木学会論文集G(環境) 76 ( 6 ) 109 - 114 2020.10
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Rice fields along the East Asian-Australasian flyway are important habitats for an inland wader’s migration.
S Kasahara, G Morimoto, W Kitamura, S Imanishi, N Azuma
Scientific Reports 10 ( 1 ) 4118 2020.3
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SWIMMING ABILITY OF JAPANESE EEL (<i>Anguilla japonica</i>) ELVERS
YATAYA Kenichi, IZUMI Mattashi, AZUMA Nobuyuki, MARUI Atsushi
Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 76 ( 6 ) II_109 - II_114 2020
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Habitat use and flight paths of geese and swans at Lake Jusan a spring migration stopover site, in Northern Japan before construction of a wind farm
KASHIWAGI Atsushi, KASAHARA Satoe, TAKAHASHI Masao, AZUMA Nobuyuki
Japanese Journal of Ornithology 68 ( 1 ) 53 - 66 2019.4
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Distribution and migration of the Pacific cod, Gadus macrocephalus, Mutsu Bay local spawning population
67 ( 1 ) 19 - 24 2019.3
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Distribution and migration of the Pacific cod, Gadus macrocephalus, Mutsu Bay local spawning population
三浦太智, 三浦太智, 吉田雅範, 山田嘉暢, 野呂恭成, 伊藤欣吾, 東信行
水産増殖 67 ( 1 ) 19‐24 2019.3
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Effectiveness of vole control by owls in apple orchards
Murano Chie, Kasahara Satoe, Kudo Seiya, Inada Aya, Sato Sho, Watanabe Kana, Azuma Nobuyuki
Journal of Applied Ecology 56 ( 3 ) 677 - 687 2019.3
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付着藻類の窒素安定同位体比による窒素起源の推定
山崎由理, 宗岡寿美, 東信行, 中西厚, 木村賢人, 辻修
農業農村工学会誌 87 ( 2 ) 101‐104 - 104 2019.2
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Estimation of Nitrogen Origin in River Water by Nitrogen Stable Isotope of Attached Algae
YAMAZAKI Yuri, MUNEOKA Toshimi, AZUMA Nobuyuki, NAKANISHI Atsushi, KIMURA Masato, TSUJI Osamu
Water,Land and Environmental Engineering 87 ( 2 ) 101 - 104,a1 2019
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河川遡上初期における稚アユの臨界遊泳速度に関する現地実験
泉 完・杉本亜里紗・丸居 篤・東 信行
土木学会論文集B1(水工学) 74 433 - 438 2018.11
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Burst Swimming Speed of Japanese Minami Medaka (<i>Oryzias latipes</i>)
IZUMI Mattashi, SHIMIZU Hideaki, AZUMA Nobuyuki, MARUI Atsushi, YATAYA Kenichi
Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 86 ( 1 ) II_1 - II_7 2018
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河川遡上期におけるシロウオの突進速度に関する実験
泉 完，東信行，丸居篤，矢田谷健一
土木学会論文集G（環境） 73 Ⅲ_269 - Ⅲ_274 2017.11
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既設全面越流型階段式魚道切欠き部における小型ウキゴリ類等の遡上実態調査
矢田谷健一，泉 完，東 信行，丸居 篤
土木学会論文集B1(水工学) 73 Ⅰ_397 - Ⅰ_402 2017.11
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魚道設計のための産卵遡上期におけるワカサギの遊泳能力の測定
矢田谷健一，泉 完，東 信行，丸居 篤，杉本亜理沙
土木学会論文集G(環境) 45 Ⅱ_63 - Ⅱ_68 2017.11
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青森県弘前市のリンゴ園におけるハタネズミMicrotus montebelli のアルビノ個体の捕獲
ムラノ千恵，東信行
哺乳類科学 57 99 - 102 2017.7
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青森県西部におけるカワネズミChimarrogale platycephalus の捕獲記録
塩塚菜生，東信行
白神研究 12 32 - 37 2017.7
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河川遡上期の小型ウキゴリ類の高流速条件下における遊泳能力
矢田谷健一・泉 完・東 信行・丸居 篤
農業農村工学会論文集 305 Ⅱ_53 - Ⅱ＿68 2017
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ANALYSIS OF SWIMMING ABILITY OF POND SMELT(<i>Hypomesus nipponensis</i>) AT THE SPAWNING STAGE FOR FISHWAY DESIGN
YATAYA Kenichi, IZUMI Mattashi, AZUMA Nobuyuki, MARUI Atsushi, SUGIMOTO Arisa
Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 73 ( 6 ) II_63 - II_68 2017
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BURST SPEED OF ICE GOBY (<i>LEUCOPSARION PETERSII</i>) DURING UPSTREAM RIVER MIGRATION PERIOD
IZUMI Mattashi, AZUMA Nobuyuki, MARUI Atsushi, YATAYA Kenichi
Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 73 ( 7 ) III_269 - III_274 2017
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ASCENDING SMALL <i>GYMNOGOBIUS UROTAENIA</i> SP. FISHES DURING THE UPSTREAM MIGRATION AT THE NOTCH OF STEPPED-POOL FISHWAY
YATAYA Kenichi, IZUMI Mattashi, AZUMA Nobuyuki, MARUI Atsushi
Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 73 ( 4 ) I_397 - I_402 2017
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Isotopic fractionation with morphological change and sexual specificity in the lappet moth Euthrix potatoria
Nozomu Sato, Nobuyuki Azuma
ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA 161 ( 3 ) 181 - 186 2016.12
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河川遡上期のウキゴリ類の遊泳能力に関する基礎実験
矢田谷健一・泉 完・東 信行・丸居 篤
土木学会論文集B1(水工学) 72 ( 4 ) 1129 - 1134 2016
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山本 和司・佐藤 高広・小田桐 勝則・川村 昌弘・東 信行：砂浜海岸における港湾建設後の生物組成の変化について：七里長浜港の事例
山本 和司1), 佐藤 高広2), 小田桐 勝則3), 川村 昌弘4), 東 信行5)
土木学会論文集B3（海洋開発） 31 ( ２ ) 892 - 897 2015.9
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青森県三沢市で同所的に繁殖したニュウナイスズメとスズメ
蛯名純一・坂有希子・東信行・三上かつら
Bird research 11 S7 - S9 2015.3
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生体内微量元素を用いた青森県沿岸マダラの回遊推定
工藤誠也・大宮慧子・三浦太智・渡邉 泉・東 信行
nippon suisan gakkaishi 81 ( 2 ) 227 - 233 2015.2
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Estimation of environmental transition in the small streams in Aomori: Insights from stable isotope ratios of fish specimens
Tamura Kazuya, Azuma Nobuyuki
Ningen to kankyo 41 ( 2 ) 2 - 16 2015
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ABOUT A CHANGE OF THE CREATURE COMPOSITION AFTER THE HARBOR CONSTRUCTION IN THE SANDY BEACH COAST : EXAMPLE OF SHICHIRI-NAGAHAMA PORT
YAMAMOTO Kazushi, SATOH Takahiro, ODAGIRI Katsunori, KAWAMURA Masahiro, AZUMA Nobuyuki
Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 71 ( 2 ) I_892 - I_897 2015
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Assessing the usefulness of trace elements for evaluating the spawning migration of Pacific cod <i>Gadus macrocephalus</i> in coastal areas of Aomori Prefecture, northern Japan
KUDO SEIYA, OMIYA AKIKO, MIURA TAICHI, WATANABE IZUMI, AZUMA NOBUYUKI
NIPPON SUISAN GAKKAISHI 81 ( 2 ) 227 - 233 2015
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Measurements of the Swimming Ability of Weather Loach (<i>Misgurnus anguillicaudatus</i>) Fry
YATAYA Kenichi, IZUMI Mattashi, AZUMA Nobuyuki, MARUI Atsushi
Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 83 ( 6 ) II_121 - II_126 2015
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人為的管理がヨシ原の地表性甲虫群集に与える影響
佐藤臨・東信行
白神研究 ９ 11 - 19 2013.9
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河川水を用いた遊泳実験によるシロウオの遊泳能力と尾部の動き
泉 完・大田敏貴・東 信行
農業農村工学会論文集 283 41 - 50 2013.8
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堤外地におけるヨシ原植生管理の違いがもたらす食物連鎖と物質循環の特性
佐藤臨・東信行
河川技術論文 19 447 - 452 2013.6
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青森県岩木左岸地区の農業用水路網におけるヤリタナゴの生活史
「佐藤美紀雄」「熊谷雅之」「東信行」
農業農村工学会論文集278，99-107，2012 50工藤誠也・渡邉 279 1 - 11 2012.7
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小型魚類の生体内元素分析を用いたダム下流域における急激な物質循環変化の検証
東信行他
河川技術論文 18 405 - 410 2012.6
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河川水を用いたヤマメ稚魚の尾部の動きと遊泳速度
「泉 完」「山村真弘」「加藤 幸」「東 信行」
農業農村工学会論文集 278 99 - 107 2012.6
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小型魚類の生体内元素分析を用いたダム下流域における急激な物質循環変化の検証
東 信行, 渡邉 泉
河川技術論文集 18 405 - 410 2012
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Life History of <i>Tanakia lanceolata </i>in Irrigation Channel Network of the Iwaki River Basin in Northern Japan
SATO Mikio, KUMAGAI Masayuki, AZUMA Nobuyuki
Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 80 ( 3 ) 233 - 243 2012
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微量元素分析によるダム湖内生息魚類の生息場所判別手法の検討
「石崎陽子」「渡邉泉」「野田香織」「東信行」
土木学会論文集Ｇ 67 311 - 316 2011.11
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発生地および分散パターンの特定を目的としたスカシバガ類2種の体内元素濃度分析
「工藤誠也,」「渡邉泉,」「東信行」
Lepidoptera Science 62 135 - 141 2011.5
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Trace element analysis of clearwing moths for identifying their natal sites and assessing adult dipersal patterns
KUDO Seiya, WATANABE Izumi, AZUMA Nobuyuki
Lepidoptera Science 62 ( 3 ) 135 - 141 2011
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微量元素分析によるダム湖内生息魚類の生息場所判別手法の検討
東 信行
土木学会論文集G 67 2011
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Rhythmic flashing light as a communication signal in pony fish
Nobuyuki Azuma
kaiyo monthly 2009.3
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Ecosystem and biological production in Lake Jusan; nutrient cycles and spatiotemporal variability
Hitomi Yamazaki1, Takuya Hara1, Yuki Koyama1, Taiji Hosokawa2, Akihide Kasai2, Minoru Wada3, Masayasu Nagasaki4, Toshitsugu Higashino4 and Nobuyuki Azuma1*
Proceedings of the WFC 2008 2009.3
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A field experimental study of predation to bivalve Corbicula japonica（共著）
Takuya Hara, Hitomi Yamazaki, Yuki Koyama, Masayasu Nagasaki, Toshitsugu HigashinoNobuyuki Azuma
Proceedings of the WFC 2008 2009.3
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Synchronized development of gonad and bioluminescent light organ in a highly sexually dimorphic leiognathid fish, Photoplagios rivulatus
K. Ikejima , M. Wada , K. Kita-Tsukamoto, T. Yamamoto and N. Azuma
Marine biology 153 ( 6 ) 1009 - 1014 2008.1
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自然河川流下水を用いたスタミナトンネルによるオイカワの突進速度に関する現地実験
泉 完・矢田谷健 一・東 信行・工藤 明・加藤 幸
水工論文集 51 1285 - 1290 2007.3
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岩木川取水堰の全面越流型階段式魚道における魚類等
泉 完，伊東竜太，矢田谷健一，東 信行
農業土木学会論文集 245 55 - 64 2006.4
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Food sources for the bivalve Corbicula japonica in the foremost fishing lakes estimated from stable isotope analysis
A Kasai, H Toyohara, A Nakata, T Miura, N Azuma
FISHERIES SCIENCE 72 ( 1 ) 105 - 114 2006.2
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河川流下水を用いたスタミナトンネルによるウグイの突進速度について
泉 完，矢田谷健一，東 信行，工藤 明
農業土木学会論文集 244 171 - 178 2006.1
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Ascending Fishes and Hydraulic Characteristics of the Full-cross-sectional Overflow Stepped-pool Type Fishway in the Iwaki River Diversion Weir of the Iwaki River
IZUMI Mattashi, ITO Ryuta, YATAYA Kenichi, AZUMA Nobuyuki
Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 2006 ( 245 ) 737 - 746 2006
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自然河川流下水を用いたスタミナトンネルによるオイカワの突進速度に関する現地実験
泉 完画, 東 信行
水工学論文集 51 171 - 176 2006
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Burst speed of Japanese Dace (<I>Tribolodon hakonensis</I>) with a Stamina Tunnel Using Natural River Down-flow Water
IZUMI Mattashi, YATAYA Kenichi, AZUMA Nobuyuki, KUDO Akira
Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering 2006 ( 244 ) 573 - 580 2006
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岩木川取水堰の全面越流型魚道における魚類等の遡上と水理特性
泉 完画, 東 信行
農業土木学会論文集 245 55 - 64 2006
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個体識別法によるメダカの生態調査―予備的研究
佐原雄二，鵜野浩一郎，東 信行
弘前大学農学生命科学部学術報告 7 26 - 29 2005.12
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Expulsion of symbiotic luminous bacteria from pony fish, Leiognathus nuchalis,
Wada, M. G.M.Barbara, N. Mizuno, N. Azuma, K. Kogure and Y. Suzuki
13 99 - 102 2005.9
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Bioluminescence and mating behaviour in pony fish, Leiognathus nuchalis
Azuma, N, C. Furubayashi, T. Shichiri, M. Wada, N. Mizuno and Y.Suzuki
Bioluminescence. & Chemiluminescence 13 3 - 6 2005.9
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岩木川下流におけるオオセッカの繁殖場所選択
竹内健悟，東信行
野生生物保護 9 ( 2 ) 59 - 68 2005.1
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個体識別法によるメダカの生態調査-予備的研究弘前大学農学生命科学部学術報告
佐原 雄二, 東 信行
弘前大学農学生命科学部学術報告 7 26 - 29 2005
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O14)岩木川下流部におけるオオセッカの繁殖場所選択と環境史
竹内 健悟, 東 信行
ワイルドライフ・フォーラム 9 ( 3 ) 71 2004
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Survey on Ascending Route of the White-spotted Char (Salvelinus leucomenis) in Vertical-Slot Type Fishway of Tayama Headworks
IZUMI Mattashi, SUGAWARA Kenji, KUDO Akira, AZUMA Nobuyuki
Journal of the Agricultural Engineering Society, Japan 72 ( 7 ) 593 - 598,a2 2004
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STREAM HABITAT ANALYSIS USING MODIFIED IFIM FOR JAPANESE FLUVIAL SCULPIN
IGARASHI Yuki, AZUMA Nobuyuki
ENVIRONMENTAL SYSTEMS RESEARCH 32 403 - 409 2004
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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