ARTIFICIAL GENTLE FLOW TOPOGRAPHY AS JUVENILE CHUM SALMON HABITAT IN THE TOKACHI RIVER ESTUARY, NORTHERN JAPAN

Nunokawa, Masanori

ARTIFICIAL GENTLE FLOW TOPOGRAPHY AS JUVENILE CHUM SALMON HABITAT IN THE TOKACHI RIVER ESTUARY, NORTHERN JAPAN

Masanori Nunokawa¹, Atsushi Tanise² and Masaaki Murayama¹, (1)PWRI Public Works Research Institute, Civil Engineering Research Institute for cold regions, Sapporo, Japan, (2)PWRI Public Works Research Instituite, CERI Civil Engineering Research Institute for cold region, Sapporo, Japan