Neville and Thurow published a genetic analysis of estimates in the mainstem Columbia • several populations in the MF Salmon drainage using commercial, sport, and tribal fisheries. different microsatellite loci than currently used. Install adult fish counting stations within • SBT and IDFG do multi-pass redd counts for ISS MPG to evaluate adult escapement. • study. Abundance estimates using expanded SBT conducts multiple pass spawning ground red counts could also be validated and • surveys in tributaries not surveyed by the ISS for management assumptions tested. abundance information. SBT monitor and estimate Tribal harvest with MPG. • Lower Middle Fork Salmon River Population USFS has done redd surveys for IDFG in mainstem Not much spawning in MF Ensure that redd surveys are done • • • MF Salmon in recent years but funding uncertain for mainstem, most occurs in the yearly and encompass more spawning future monitoring. tributaries. areas to obtain a better estimate IDFG has index redd site in MF Salmon. Data IDFG index redd surveys not • • Adult abundance available since 1957. done every year. Natural-origin Snake River Chinook abundance Accuracy of GSI to identify this • • estimated at LGR by IDFG using GSI beginning 2008. population needs to be determined Age composition and sex ratios also determined. Little or no population specific data. No carcass surveys have been • • No hatchery fish are stocked within population done for this population. boundaries but mainstem Salmon River used for Adult productivity migrating hatchery origin adults and smolts No recreational fishing for Chinook salmon allowed • within population boundaries. SBT conduct tribal fisheries within this population • Juvenile Little or no population specific data • productivity Redd count survey done in recent years in the one • Spatial distribution MiSA. There are no MaS’s.
• Neville and Thurow published a genetic analysis of several populations in the MF Salmon drainage using different microsatellite loci than currently used. • SBT and IDFG do multi-pass redd counts for ISS study. • SBT conducts multiple pass spawning ground surveys in tributaries not surveyed by the ISS for abundance information. • SBT monitor and estimate Tribal harvest with MPG. estimates in the mainstem Columbia commercial, sport, and tribal fisheries. • Install adult fish counting stations within MPG to evaluate adult escapement. Abundance estimates using expanded red counts could also be validated and management assumptions tested. Lower Middle Fork Salmon River Population Adult abundance • USFS has done redd surveys for IDFG in mainstem MF Salmon in recent years but funding uncertain for future monitoring. • IDFG has index redd site in MF Salmon. Data available since 1957. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined. • Not much spawning in MF mainstem, most occurs in the tributaries. • IDFG index redd surveys not done every year. • Accuracy of GSI to identify this population needs to be determined • Ensure that redd surveys are done yearly and encompass more spawning areas to obtain a better estimate Adult productivity • Little or no population specific data. No hatchery fish are stocked within population boundaries but mainstem Salmon River used for migrating hatchery origin adults and smolts • No recreational fishing for Chinook salmon allowed within population boundaries. • SBT conduct tribal fisheries within this population • No carcass surveys have been done for this population. Juvenile productivity • Little or no population specific data Spatial distribution • Redd count survey done in recent years in the one MiSA. There are no MaS’s.
chapters_7-9_idaho_mu_plan_november_2015.docx