Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section II

水圏の生態系

Wed. Sep 2, 2026 9:20 AM - 10:40 AM JST
Wed. Sep 2, 2026 12:20 AM - 1:40 AM UTC
AV Room 5, 4th Floor, Library (Hokkai-Gakuen University)
9:20 AM - 9:30 AM JST(12:20 AM - 12:30 AM UTC)

[II-32]Investigation on suppressing water temperature rise for the purpose of conserving Lefua echigonia in water channel of a valley paddy field

*Tetsuya Sumi1, Kaoru Kagami2, Yugo Nagasaka3 (1. Daido University, 2. KenKan Consultants, 3. CN Construction)
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[II-33]Study on Habitat Prediction Models for Plecoglossus altivelis Using Environmental DNA in the Downstream Section of the Haji Dam in the Gonokawa River

*Yosei Yamasaki1, Seiji Miyazono1, Takumi Hanaoka1, Yoshihisa Akamatsu1 (1. Yamaguchi University)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[II-34]Estimation of the Distribution of Endangered Fish Species in the Takatsu River Basin

*Taiki Hanamoto1, Takumi Hanaoka1, Seiji Miyazono1, Michihito Takiyama2, Ryohei Nakao1, Yoshihisa Akamatsu1 (1. YAMAGUCHI University, 2. CTI Engineering Co.,Ltd.)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[II-35]Conceptual Framework for Selecting Environmental DNA Survey Sites to Assess Fish Fauna within a River Basin — Insights from Environmental DNA Surveys in the KyuuYoshino River and the Ino River Systems —

*Hiromasa Onikubo1,2, Mahito KAMADA2, Yoshihisa Akamatsu3, Ryohei Nakao3, Yoichi Kawaguchi4 (1. PACIFIC CONSULTANTS CO., LTD., 2. Tokushima University, 3. Yamaguchi University, 4. Niigata University)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[II-36]The Relationship Between Fish Community Structure and Environmental Factors in Urban Watersheds of Johor, Malaysia

*Keigo Otsu1, Rei Itsukushima2, Mohd Adnan3, Yuta Tomiyama4, Yuichi Kano2, Muhamad Zanorin3 (1. Graduate School of Engineering, Kyushu Institute of Technology, 2. Graduate School of Engineering, Kyushu University, 3. Universiti Tun Hussein Onn Malaysia, 4. Japan Mizube Research Institute)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[II-37]Analysis of Water-Related Recreation and Physical Environmental Conditions in the Kurome River

*Shunto Sugai1, Kou Motohashi, Muneyuki Aoki2 (1. Toyo University Graduate School, 2. Toyo University)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[II-38]Consideration of creating multi-natural rivers based on ecosystem surveys of the Ayase River in the Tone River system

*Shinya Nora1, Takumi Takano1, Yuta Kikuchi1, Akihiro Iizuka1, Muneyuki Aoki2 (1. Flood Control Office, Saitama Prefecture , 2. Faculty of Science and Engineering, Toyo University)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[II-39]Characterization of River Landscape Elements using Hydraulic Indices toward Dynamic Environmental Assessment of River Channels

*Tsubasa Saeki1, Yuji Toda1, Yuta Mizoguchi1, Yuexia Zhou1 (1. Nagoya University)
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