Development and Performance of an Alaska Steeppass Fishway for Sockeye Salmon ( Oncorhynchus nerka )

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Author: Blackett, Roger F.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1987
• Subjects: Aquatic Science; Ecology, Evolution, Behavior and Systematics; Sockeye; Weir; High Falls; Kodiak; Alaska
• Online Access: http://dx.doi.org/10.1139/f87-008; http://www.nrcresearchpress.com/doi/pdf/10.1139/f87-008

A major introduced run of sockeye salmon (Oncorhynchus nerka) at Frazer Lake, Kodiak Island, Alaska, is perpetuated by an Alaska steeppass fishway at a 10-m-high falls on the outlet river. Experimental modifications of the fishway, which was inadequate by 1970 as the salmon run increased, improved s...