Figure 1: Map showing the study area with the sampling sites of juvenile chum salmon during downstream migration, adult chum salmon during homing migration, and river water for electro-olfactogram experiments.
From: Involvement of hormones in olfactory imprinting and homing in chum salmon
(A): Chitose Hatchery; (B): second bridge of the Chitose; (C): Chitose River in Kamaka Ward, Chitose; (D): Confluence point of the Chitose and Yubari Rivers; (E): Mouth of the main stem of the Ishikari River; (F): Ishikari Bay; (G): Bering Sea; (H): Indian Waterwheel, Chitose River. River water sampling points were the second bridge of the Chitose River (B), the Toyohira River (I), and the mouth of the Ishikari River (E). This map was created using Adobe Illustrator CS4.
