Schedule 0 11:45 AM - 11:57 AM [IV-13] 河川周辺の人流とごみ投棄量の関係-庄内川水系を対象としてー *Shizuku Ito1, Nobuko Kawaguchi1, Norimitsu Koike1 (1. AICHI INSTITUTE OF TECHNOLOGY) Keywords:海ごみ、河川ごみ、不法投棄、人流 Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication