河川・水理構造物(1)

[II-121] Techniques and effects of fishway improvement using natural stones carried out at the Monobe River ,Kochi prefecture

〇Shinji Fujita Fujita¹, Yasutomo Fukudome¹, Yohisko MIyazaki¹, Hirotaka Ikeno², Tsuyoshi Tominaga², Masahiro Ymashita² (1.Nishinihon Institute of Technology, 2. Ministry of Land, Infrastructure, Transport and Tourism. Kochi Office of River and National Highway)

Keywords:Fishway improvement, Natural stone, Juvenile ayu, Multi-natural fishway, Distributed drop works, Stonework