水環境 (1)

[VII-20] Practical efforts to evaluate and improve the river environment in Kizugawa river

*Kazushi Yamamoto¹, Ken Nagasaka², Tadashi Nakatsuji², Hirotaka Mori¹, Ryuzaburo Saitoh¹, Kazuhisa Tanimoto¹, Kanako Yamaguchi¹, Daisuke Nagashima¹ (1. Oriental Consultants, 2. Ministry of Land, Infrastructure, Transport and Tourism)

Keywords:national census on river environment, the river environment management sheet, representative river area, conserve river area, environmental DNA, unmanned aerial vehicle