RELATIONSHIP OF HOMING BEHAVIOR FROM SEAWATER TO FRESH WATER WITH PLASMA LEVELS OF SEX STEROID HORMONES IN PRE-SPAWNING CHUM SALMON

MAKINO Keita

Section of Biological Sciences, Graduate School of Life Science, Hokkaido University
ONUMA Takeshi A.

Section of Biological Sciences, Graduate School of Life Science, Hokkaido University
KITAHASHI Takashi

Section of Biological Sciences, Graduate School of Life Science, Hokkaido University
ANDO Hironori

Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University
BAN Masatoshi

National Salmon Resources Center
URANO Akihisa

Section of Biological Sciences, Graduate School of Life Science, Hokkaido University