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Enhancement Opportunities for Resident Rainbow Trout in the Middle Shuswap River Above Shuswap Falls and Potential Impact of Chinook Salmon Re-Introduction Griffith, R.P.
1979
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Abstract: Due to the presence of the BC Hydro generating station at Shuswap Falls, only the lower 54 km of the Middle Shuswap River is currently accessible to anadromous salmonids. The upper 31 km and tributaries contain resident fish populations, notable rainbow trout (Salmo gairdneri) and mountain whitefish (Prosopium williamsoni). The present study was undertaken to (1) determine the size and distribution of existing resident fish populations, (2) investigate possibilities for resident sportfish enhancement, and (3) comment on the potential impact of chinook salmon (Oncorhynchus tshawytscha) re-establishment on existing or enhanced sportfish populations. This last component stems from (1) the transportation of chinook spawners above Shuswap Falls initiated by Fisheries and Oceans in 1977, and (2) the possibility for anadromous salmonid passage with the approaching removal, replacement, or modification of the aging Shuswap Falls generating station and attendant structures.
 
Griffith, R.P.. 1979. Enhancement Opportunities for Resident Rainbow Trout in the Middle Shuswap River Above Shuswap Falls and Potential Impact of Chinook Salmon Re-Introduction. Ministry of Environment. Fisheries Report. FRN102
 
Topic: Fish and Fish Habitats
Keywords: Shuswap River, rainbow trout, Salmo gairdneri, mountain whitefish, Prosopium williamsoni, chinook salmon, Oncorhynchus tshawytscha, enhancement, density, biomass, size, habitat
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