Fisheries, Subsistence, and Habitat
Publications Searchable Database
Search Again| Division: | Sport Fish |
| Title: | Operational Plan: Late Run Kasilof River Chinook salmon sonar assessment, 2018?2021. |
| Author: | Miller, J., S. Maxwell, B. Key, B. Glick, and A. Reimer. |
| Year: | 2018 |
| Report ID: | Alaska Department of Fish and Game, Regional Operational Plan ROP.SF.2A.2018.16, Anchorage. |
| Abstract: | A sport fishery for late-run Kasilof River Chinook salmon is prosecuted downstream of river mile 8 and a commercial fishery occurs in nearby marine waters, but inriver abundance of late-run Chinook salmon is unknown for most years. The goal of this study is to estimate the daily net upstream passage of salmon 75 cm mid eye to tail fork length (METF) or longer past RM 8 of the Kasilof River from 15 June through 31 August 2018?2021 using adaptive resolution imaging sonar (ARIS). ARIS provides high resolution images that allow accurate fish length measurements at far ranges. This technology is currently used by the Alaska Department of Fish and Game on the Kenai River to estimate large (greater than or equal to 75 cm METF) Chinook salmon passage. Use of ARIS on the Kasilof River will take advantage of similar Kenai River methodology and the same trained personnel. In addition, these estimates can be combined with estimates from other projects (e.g., Eastside set net harvest genetics sampling) to estimate the annual total run size of large Kasilof River Chinook salmon. |
| Keywords: | Chinook salmon, Oncorhynchus tshawytscha, abundance, adaptive resolution imaging sonar, ARIS, Kasilof River. |