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Division: Sport Fish
Title: Operational plan: Kenai River and Kasilof River Chinook salmon sonar assessment, 2023–2025.
Author: Key, B., J. D. Miller, and J. Huang.
Year: 2023
Report ID: Alaska Department of Fish and Game, Division of Sport Fish, Regional Operational Plan No. ROP.SF.2A.2023.04, Anchorage.
Abstract: Alaska Department of Fish and Game (ADF&G) has monitored Chinook salmon (Oncorhynchus tshawytscha) passage in the Kenai River using side-looking sonar technology from 1987 to present at historical (1987–2012) and modern (2013–present) sites and with multiple updated sonar technologies. Starting in 2018, a similar sonar program to monitor Chinook salmon at the nearby Kasilof River was begun as well. This plan covers sonar project operations at Kenai RM 13.7 and Kasilof RM 8 for the 2023–2025 seasons with the goal of producing daily inseason net passage estimates of fish 75 cm or longer for the Kenai River and postseason net upstream passage estimates of fish 75 cm or longer for the Kasilof river.
Keywords: ARIS, DIDSON, Chinook salmon, Oncorhynchus tshawytscha, acoustic assessment, Kenai River, Kasilof River, riverine sonar, fisheries sonar, multibeam sonar