• 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.
• PIT antenna operated by NMFS in Big Creek at Taylor Ranch. • IDFG fixed site snorkel surveys done 1980 – 2006. Transitioning to a rotating panel probabilistic GRTS design for assessing juvenile abundance. Spatial distribution • Two of the 3 MaSAs have redd surveys. No MiSAs. • Expand redd survey to include the Monumental Creek MaSA. Species diversity • Data collected from juveniles caught in screw trap • Age and diversity data for 2001-2012 available from Natural Production Monitoring and Evaluation Project (INPMEP) (199107300) • Genetic baseline needs to be maintained at regular intervals • Obtain diversity data from adults. • Implement a 5-year rotating panel to collect baseline genetic samples. Camas Creek Population abundance • IDFG aerial redd count in Camas Creek. Data available since 1960. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using Genetic Stock Identification beginning 2008. Age composition and sex ratios also determined. • Accuracy of GSI to identify this population needs to be determined • escapement estimates derived from expanding aerial redd counts highly variable • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). • SBT proposes conducting multiple-pass spawning ground surveys. productivity • Little data available. • Hatchery fish are not released within population boundaries. • No recreational fishing for Chinook salmon allowed within population boundaries. • SBT conducts tribal fisheries in Camas Creek. • SBT monitors and estimates Tribal harvest. • Need carcass recovery information for age structure. • Additional sampling of SBT anglers to improve estimates of tribal harvest. • Need more accurate and precise adult age structure data Juvenile productivity • IDFG fixed site snorkel surveys done 1980 – 2006. Transitioning to a rotating panel probabilistic GRTS design for assessing abundance of juvenile salmonids • Sample size from NMFS may be too small to obtain accurate and precise estimates • Need juvenile productivity estimate; should be obtained through rotary screw trap. • SBT propose to operate a screw trap in Camas Creek to monitor juvenile productivity. tagging
• NMFS PIT-tags juvenile Chinook salmon during the summer. Data used to determine run-timing and survival at LGR. Spatial distribution • IDFG has redd surveys in the one MaSA but not the one MiSA. • Expand redd survey to the Yellowjacket Creek MiSA. Species diversity • Age and diversity data for 2001-2006 available from NPM • Genetic baseline needs to be maintained at regular intervals • Implement a 5-year rotating panel to collect baseline genetic samples. • SBT propose to collect DNA from juvenile Chinook salmon collected at the rotary trap Loon Creek Population Adult abundance • IDFG aerial index redd counts in Loon Creek. 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. • SBT conducted multiple pass ground surveys in 2007 and 2008. • Accuracy of GSI to identify this population needs to be determined • escapement estimates derived from expanding aerial redd counts highly variable. • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). Adult productivity • Little data available • Hatchery fish are not stocked within population boundaries. • No recreational fishing for Chinook salmon allowed within population boundaries. • SBT conducts tribal fisheries in Loon Creek. • SBT monitors and estimates Tribal harvest • Need carcass recovery information for age structure. • Additional sampling of SBT anglers to improve estimates of tribal harvest. • Need more accurate and precise age structure data. Juvenile productivity • Little data available. • Sample size from NMFS may be too small to obtain accurate and precise estimates • Need juvenile productivity estimate; should be obtained through rotary screw trap. • SBT propose to install screw trap in Loon Creek to monitor juvenile productivity. tagging
Spatial distribution • USFS redd surveys in the one MaSA and one of the 2 MiSAs. • Funding for future USFS surveys uncertain. • Expand redd counts to include the Marble Creek MiSA • Ensure redd surveys continue should USFS funding be reduced or eliminated. Species diversity • Little data available. • Genetic analysis of adults and/or juveniles from this population need to be included in baseline genetic database. • Genetic baseline to be maintained at regular intervals • Adults and juvenile diversity data needs to be obtained. • Implement a 5-year rotating panel to collect baseline genetic samples. Sulphur Creek Population Adult abundance • Ground index redd surveys conducted by IDFG. 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 • Accuracy of GSI to identify this population needs to be determined • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). Adult productivity • Sex ratio, hatchery proportion, length, percent spawned, DNA, age structure are obtained from carcasses surveyed during IDFG ground redd count surveys. • Hatchery fish are not stocked within population area. • No recreational fishing for Chinook allowed within population boundaries. • SBT conducts tribal fisheries. • Additional sampling of SBT anglers to improve estimates of tribal harvest • Need more accurate and precise age structure data. Juvenile productivity • Little data available. • NMFS PIT-tags juvenile Chinook salmon during the summer. Data used to determine run timing and survival at LGR. • Sample size from NMFS may be too small to obtain accurate and precise estimates tagging
Spatial distribution • IDFG does redd counts in the one MaSA. There are no MSA’s. Species diversity • Age and other diversity data available for 2001-2003, 2008, 2012 from INPMEP. • Sample size from carcass surveys small. • Genetic baseline needs to be maintained at regular intervals • Implement a 5-year rotating panel for baseline genetic samples. Bear Valley Population Adult abundance • IDFG does index aerial redd counts in Bear Valley and Elk creeks. Data available since 1957. • SBT does multi pass redd counts in Bear Valley Creek for the ISS project, ends in 2014. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined • Bear Valley Creek is a control stream for the ISS study. • Accuracy of GSI to identify this population needs to be determined • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). • SBT propose a DIDSON in Bear Valley Creek to evaluate adult escapement. Adult productivity • Sex ratio, hatchery proportion, length, percent spawned, DNA, age structure are obtained from carcasses surveyed during SBT ground redd count surveys • Hatchery fish are not stocked within population boundaries. • No recreational fishing for Chinook allowed within population boundaries. • SBT conducts tribal fisheries. • SBT monitors and estimates tribal harvest. • Additional sampling of SBT anglers to improve estimates of tribal harvest • Need more accurate and precise age structure data. Juvenile productivity • NMFS PIT-tags juvenile Chinook salmon during the summer in Bear Valley and Elk creeks. Data used to determine run-timing and survival at LGR. • SBT propose to operate a screw trap in Bear Valley Creek.
Spatial distribution • All three MSA’s have redd count surveys. There are no MSA’s. Species diversity • Adult data obtained from carcasses sampled during redd counts. • Age and diversity data available 1998 from INPMEP. • Genetic baseline to be maintained at regular intervals • Implement a 5-year rotating panel for baseline genetic samples. • SBT propose to collect DNA from juveniles collected at the rotary screw trap and adults. Marsh Creek Population Adult abundance • IDFG does index redd counts throughout the Marsh Creek drainage. Data available since 1957. • IDFG does multi-pass redd counts in Marsh Creek for ISS study. This is a control stream for the ISS study. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined • Accuracy of GSI to identify this population needs to be determined • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). • SBT propose a DIDSON weir in Marsh Creek to evaluate adult escapement. productivity • Sex ratio, hatchery proportion, length, percent spawned, DNA, age structure are obtained from carcasses sampled during IDFG ground redd count surveys. • Hatchery fish are not stocked within population boundaries. • No recreational fishing for Chinook allowed within population boundaries. • SBT conducts tribal fisheries. • SBT monitors and estimates tribal harvest. • Additional sampling of SBT anglers to improve estimates of tribal harvest • Need more accurate and precise age structure data. Juvenile productivity • IDFG has operated a trap in Marsh Creek since 1992 for ISS.
• NMFS PIT-tags juvenile Chinook salmon during the summer; however, sample size is small. • Juvenile migrant abundance estimated at screw traps using mark recapture. • Survival of juveniles to LGR estimated using PIT tags • IDFG site snorkel surveys done 1980 – 2006. In 2007, IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids. Marsh Creek done in 2007 and 2008 Spatial distribution • IDFG does redd survey in the one MaSA. There are no MiSA’s. Species diversity • Data obtained from juveniles at the screw trap and from adult carcasses sampled during redd surveys. • Age and diversity data for some years, starting 1998 INPMEP. • Genetic baseline to be maintained at regular intervals • Implement a 5-year rotating panel for baseline genetic samples
• ISEMP conducts a mark-recapture program that a known, representative fraction of natural-origin adult steelhead and spring/summer Chinook salmon as they pass Lower Granite Dam that are subsequently detected in upstream tributaries at instream PIT-tag arrays. Researchers finding that the decomposition of the Lower Granite Dam runs-at-large of steelhead and spring/summer Chinook salmon into tributary, population, and MPG- specific escapement estimates is a reliable, precise, and efficient alternative to continuous operation of multiple weirs. estimate hatchery fraction, sex ratio, and age structure • Develop population specific (wild and hatchery) harvest and incidental mortality estimates in the mainstem Columbia commercial, and tribal fisheries. enable estimates of stray rates into non-target populations that are monitored by PIT-tag arrays. Panther Creek Population Adult abundance • ICTRT classified this population as extirpated. However, Chinook salmon spawning has been documented in this drainage in recent years. • IDFG does index redd counts in Panther Creek. Data available since 1957. SBT also conducts redd surveys. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined. • IDFG index redd surveys not done every year. • Accuracy of GSI to identify this population needs to be determined • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). • SBT propose to install a weir in Panther Creek to enumerate Chinook escapement. Adult productivity • Little data available. • Some sampling of carcasses is done during ground redd counts. • No hatchery fish are stocked within population. • Recreational fishing for Chinook salmon not permitted within population boundaries (except in 2001 and 2005 when excess hatchery adults from • Need more accurate and precise adult productivity estimates. • Data be collected from adults at proposed SBT weir.
Spatial distribution • The one MaSA has a redd count survey. There are no MiSAs. Species diversity • Data collected from juveniles at screw trap and adults at weir and from carcasses sampled during SBT ground redd counts. • Adult age and diversity data available for 2000-2005, 2007, and 2008 from NPM. • Genetic baseline needs to be maintained at regular intervals. • Implement a 5-year rotating panel for baseline genetic samples. • SBT proposed to collect DNA from harvested adults and juveniles collected at screw trap. Yankee Fork Salmon Population Adult abundance • IDFG has aerial index redd sites in Yankee Fork and WF Yankee Fork. Data available since 1957. • IDFG and SBT do multi-pass redd counts in WF Yankee Fork for ISS. • SBT do multi-pass counts in Yankee Fork. Intense ground counts since 1980 for SMEP and SRHE (Salmon River Habitat Enhancement) programs. • Weir to capture adult Chinook salmon in Yankee Fork beginning 2008 for SBT supplementation program. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined • IDFG and NOAA have operated an adult captive rearing program for Chinook in the West Fork Yankee Fork. Program is ending and the last adults will be stocked in 2009. • WF Yankee Fork is a treatment stream for the ISS study. Ends in 2014. • Yankee Fork weir started operating in 2008. Data quality and quantity will improve with time due to adult sampling at the weir. • Accuracy of GSI to identify this population needs to be determined. • Supplementation effectiveness monitoring is needed for SBT program. • Continue multiple pass intensive ground counts ISS ends. • SBT developing a Chinook supplementation program for the Yankee Fork. Could include permanent trapping facility in Yankee Fork to improve abundance and productivity estimates. • Population-scale habitat monitoring proposed under CHaMP program. Adult productivity • Sex ratio, hatchery proportion, length, percent spawned, DNA, age structure are obtained from • Weir just started operating in 2008. Data quality and quantity •
• PIT antenna array operated by NMFS in Valley Creek about 1km upstream of mouth. • PIT-tag data from NMFS used to determine and survival at LGR. Spatial distribution • Redd counts done in the one MaSA. There are no MiSA’s. Species diversity • Data collected from carcasses sampled during SBT ground redd counts and IDFG carcass surveys. • Adult age and diversity data available since 2000 from INPMEP. • • Genetic baseline needs to be maintained at regular intervals • Implement a 5-year rotating for baseline genetic samples. • SBT proposes to collect DNA from harvested adults. Upper Salmon River Lower Mainstem (below Redfish Lake) Population Adult abundance • IDFG does aerial index redd counts. Data available since 1954. • Natural-origin River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined • Accuracy of GSI to identify this population needs to be determined productivity • IDFG collects data from carcass sampling. • No hatchery fish are stocked within population boundaries but mainstem Salmon River used as migration corridor for hatchery smolts and adults. • Recreational fishing for Chinook salmon was allowed in 2008 (and proposed for 2009) in mainstem Salmon River only. No fishing allowed from 1980 – 2007. • SBT monitors and estimates tribal harvest (hatchery and wild). • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). Juvenile productivity • No data available. • Need more accurate and precise adult productivity estimates Spatial distribution • IDFG redd counts done in the mainstem Salmon River portion of the 3 MaSAs and 1 MiSA. • Expand redd surveys to include tributaries of each Spawning Area.
Species diversity • Adult age and diversity data from IDFG carcass surveys in mainstem Salmon River since 2000, INPMEP. • Genetic baseline needs to be maintained at regular intervals. • Implement a 5-year rotating for baseline genetic samples. • SBT propose to collect DNA from harvested adults. Upper Salmon River Upper Mainstem (above Redfish Lake) Population Adult abundance • Weir located on Salmon River at Sawtooth Hatchery captures 100% of salmon bound for the spawning areas upstream. Data available since 1985. • IDFG does aerial index redd counts in Salmon River. Data available since 1954. • IDFG conducted multi pass carcass collections in Salmon River for ISS through 2012. This is a treatment stream for the ISS study. • Natural-origin Snake River Chinook abundance estimated at LGR by IDFG using GSI beginning 2008. Age composition and sex ratios also determined • Hatchery smolts released from Sawtooth Hatchery for harvest augmentation. • Weir provides unbiased high precision estimates of adult spawner abundance upstream of Sawtooth Hatchery. However, there is a lot of spawning between Redfish Lake Creek and the weir. • Accuracy of GSI to identify this population needs to be determined. • Improved estimation of hatchery and wild origin adults spawning between Redfish Lake Creek and the Sawtooth weir. • Effectiveness monitoring is needed for the US v Oregon supplementation activities. productivity • PNOS = 0.75 PNI =0.4 • Sex ratio, hatchery proportion, length, percent spawned, DNA, age structure are obtained from carcasses surveyed during IDFG ground redd count surveys and from adults trapped at Sawtooth weir • Recreational fishing for Chinook salmon was allowed in 2008 (and proposed for 2009) in mainstem Salmon River downstream of Sawtooth Hatchery. No fishing for Chinook salmon was allowed from 1980 – 2007. • SBT monitors and estimates Tribal harvest (hatchery and wild). • Data quality and quantity is very good for this population. • Improved estimation of hatchery and wild origin adults spawning between Redfish Lake and the Sawtooth weir.
Species diversity • Genetics samples from and Lower Potlatch River adults being analyzed annually at IDFG Eagle Lab (IMW). • There appear to be sufficient samples being collected to provide good baseline for future ESA status review diversity. Since 2000, ISMES has collected tissue samples from populations across all the various populations in the Clearwater and Salmon basins. • In 2007, 678 genetics samples across Idaho were analyzed. • Juvenile and life history characteristics estimated at weirs and screw traps (i.e., scales, lengths, PIT tags, gender). • Representativeness of streams to entire population. • Genetic baseline to be maintained at regular intervals. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • Implement a 5-year rotating panel to collect baseline genetic samples. South Fork Clearwater River Population Adult abundance • Hatchery fish released for supplementation and harvest augmentation. • Two hatchery weirs operated by IDFG count steelhead using mark recapture in Crooked and Red River. • Natural-origin Snake River Steelhead MPG and population abundance via GSI at Lower Granite Dam began in 2008 $150K/yr (ISMES). • Natural and hatchery adults monitored at PIT tag array (NPT/IDFG) • No evaluation of mark-recapture at hatchery weirs. No collection of kelts. Weirs designed for Chinook and not efficient at high flows. • Both weirs upstream and only intercept a small portion of population. • Accuracy of GSI to identify this population needs to be determined. • No CV estimates made. • Snake River steelhead annual of hatchery returns, harvest, and escapement to known and unknown population areas. • Integrate wild steelhead monitoring at Red and Crooked Rivers with state-wide monitoring program. • Snake River steelhead annual run-reconstruction of hatchery returns, harvest, and escapement to known and unknown population areas. productivity • Age structure information, sex ratios, hatchery percentage estimated at weirs. • Need better estimates of natural cohort age and sex structure • Develop surveys of hatchery spawner fraction in index streams.
• PIT-tags scanned at weirs; however, sample size is too small for precise estimates of adult productivity. • IDFG phone survey estimates sport harvest in recreational fisheries. • Sport fishing for adult steelhead within population boundaries is permitted in mainstem SF Clearwater River only. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • NPT B-run steelhead supplementation effectiveness monitoring in SF Clearwater. • ISMES (BPA 199005500) $784K/yr • ISEMP PIT tag array installed in South Fork Clearwater mainstem. • Population is heavily influenced by hatchery steelhead; hatchery fraction data are lacking. • Estimates of natural population incidental mortality from recreational fisheries are imprecise. Estimating adult steelhead abundance cannot be done accurately using current methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. Juvenile productivity • IDFG /NPT operate 3 screw traps, in American, Crooked and Red Rivers (all scheduled to cease operation in 2014). • NPT operates 1 screw trap in Newsome Creek. • Juvenile migrant abundance estimated at screw traps using PIT Tag mark recapture (ISS 198909800). • Survival of juveniles to LGR estimated using PIT tags. • Age structure estimated from scales collected at traps. • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids (INPMEP, BPA#1999107300) • Representativeness of index streams to entire population. • Imprecision of SAR estimates at population • No CV estimates made. • Increased PIT or roll up SARs to larger scale. • Explore alternative method of estimating SARs with precision. •wq
Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing juvenile abundance. Crooked River done in 2008 and will be repeated. • NPT estimating juvenile density and distribution using GRTS design in all tributaries up to Butcher Creek (BPA 200723300). Single year estimates. • No data on adult spawner distribution. • Inference of spawner distribution from parr is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, radio and acoustic tagging). Species diversity • There appear to be sufficient samples being collected to provide good baseline for future ESA status review of genetic diversity. Since 2000, Idaho Steelhead Monitoring and Evaluation Studies has collected tissue samples from populations across all the various populations in the Clearwater and Salmon basins. • In 2007, 678 genetics samples across Idaho were analyzed. • Crooked River adult steelhead genetics collected and processed at IDFG Eagle Lab (2007-2008). • Juvenile and adult life history characteristics estimated at weirs and screw traps (i.e., scales, lengths, PIT tags, gender). • Representativeness of index streams to entire population. • Genetic baseline to be maintained at regular intervals. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • Implement a 5-year rotating panel to collect baseline genetic samples. Lolo Creek Population Adult abundance • Hatchery fish released for supplementation. • No adult steelhead weirs. (Seasonal weir used only during Chinook migration.) • Natural-origin Snake River Steelhead MPG and population abundance via GSI at LGR began in 2008. • Natural and hatchery adults monitored at ISEMP PIT tag arrays (NPT/IDFG) • Genetic samples not included in baseline. This is a gap in the overall GSI baseline database. • Supplementation with Dworshak origin hatchery smolts will increase to 200K per year in 2010 and may confound methods to estimate natural spawners. • Collect genetic samples. • Investigate Genetic Parentage Analysis Techniques to Estimate Spawner Abundance in ESA-listed Steelhead Populations. • NPT proposes constructing steelhead/Chinook weir in conjunction with increased B-run steelhead supplementation effectiveness research in Lolo Creek.
• IDFG providing increased monitoring of B-run steelhead. • No CV estimates made. Adult productivity • No Lolo Creek specific data. • IDFG Columbia Basin Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon River. • Sport fishing for adult steelhead not permitted within population boundaries. • NPT and IDFG B-run steelhead supplementation effectiveness monitoring in Lolo Creek. • Lacking estimates of natural cohort age and sex structure. • Population is influenced by hatchery steelhead; hatchery fraction data are lacking. • Estimates of natural population incidental mortality from recreational fisheries are imprecise. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from other populations. • Need to be able to identify adults returning from supplementation smolt releases. • Supplementation effectiveness M&E is needed. • NPT hatchery monitoring and evaluation weir construction. . Juvenile productivity • No Lolo Creek specific data. • NPT operates a juvenile screw trap located at rkm 21 that targets Chinook. Steelhead are not PIT-tagged. • Estimates of smolt immigration with trap efficiency available. No CV estimates made. Area below trap not considered a spawning area for steelhead. • Increase number of PIT tags. • PIT-tag steelhead at screw trap. • collection for determining age structure and genetic profile. • Explore feasibility of sampling smolts at LGD for GSI and age composition. Spatial distribution • No Lolo Creek specific data. • NPT proposes supplementation effectiveness study including GRTS juvenile distribution and density sampling. Species diversity • No Lolo Creek specific data. • Collect data at screw trap. • Collect samples for genetic baseline database. • Implement a 5-year rotating panel to collect baseline genetic samples. Lochsa Population Adult abundance • No hatchery fish released. • IDFG operates one temporary weir on Fish Creek with mark recapture estimates that provides index for population. • Fish Creek has good data quality starting in 1992. • Snake River steelhead annual of hatchery returns, harvest, and escapement to known and unknown population areas .
• Natural-origin Snake River Steelhead MPG and population abundance via GSI at Lower Granite Dam began in 2008. • IDFG providing increased monitoring of B-run steelhead (Columbia Basin Fish Accords). • No CV estimates made. productivity • IDFG Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon River. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • Sport fishing for adult steelhead is not permitted within population boundaries. • Population is not heavily influenced by hatchery steelhead; hatchery fraction data are lacking. • Estimates of natural population incidental mortality from recreational fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately at the population scale using current methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Need adult abundance and age structure data for index subpopulation. • Develop surveys of hatchery spawner fraction in index streams. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from other populations. Juvenile productivity • NPT operates screw trap in Meadow Creek. Steelhead not PIT-tagged. • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing juvenile abundance. Upper Selway done in 2008 other portions are planned for sampling as well. • IDFG providing increased monitoring of B-run steelhead (Columbia Basin Fish Accords). • Imprecision of SARs at population level. • Dispersed PIT conducted in 1995-2006. • No CV estimates made. • Increased PIT tagging or roll up SARs to larger scale. • PIT-tag juvenile steelhead at Meadow Creek screw trap. • Explore alternative method of estimating SARs with precision. • Explore feasibility of sampling smolts at LGD for GSI and age composition
Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids upper Selway done in 2008. • No data on adult spawner distribution. • Inference of spawner distribution from parr is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, radio and acoustic tagging). Species diversity • Limited life history data. • There appear to be sufficient DNA samples being collected to provide good baseline for future ESA status review of genetic diversity. Since 2000, Idaho Steelhead Monitoring and Evaluation Studies has collected tissue samples from populations across all the various populations in the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. • DNA collected in upper Selway in 2008. • Representativeness of index streams to entire population. • Genetic baseline needs to be maintained at regular intervals. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • Implement a 5-year rotating panel to collect baseline genetic samples.
• PIT tag array in Big Creek at Taylor Ranch. productivity • IDFG Columbia Basin Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon Rivers. • ISMES (BPA 199005500 ). Intensive steelhead monitoring in Big Creek under ISMES. Abundance and life history data collected in Big Creek. • No sport fishing for adult steelhead permitted within the boundaries of this population. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • INPMEP (BPA 199107300) • Some adults sampled by angling in Big Creek. • One trap operated by IDFG on lower Big Creek. • Juvenile abundance estimated at screw trap using mark recapture. • Survival of juveniles to LGR estimated using PIT tags. • Age structure estimated from scale analysis. • PIT antenna array at Taylor Ranch. • Need better estimates of natural cohort age and sex structure. • Estimates of natural population incidental mortality from sport fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately using traditional methods in high and turbid flows; juvenile estimates are important as a proxy for adult productivity. • Population may be influenced by hatchery steelhead; hatchery fraction data are lacking. • Current adult sampling not quantitative. • PHOS not estimated. • Short time frame for screw trap data (starting 2007) CV not known or not calculated? • PIT antenna array in Big Creek operated entire –year (attempted). • Dispersed PIT tagging 2000-06. • Determine representativeness of Big Creek to entire population. • Imprecision of SARs at population level. • Develop surveys of hatchery spawner fraction in index streams (Big Creek). • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • Collect enough adults to get quantitative information. • SBT and NPT will need to document harvest impacts in future tribal fisheries if implemented. • Modify PIT antenna in lower Big Creek for year-round dependability. • Increase PIT tagging or roll up SARs to larger • Explore alternative methods of estimating SARs.
• Determining “what is a smolt” is very important. What are the rates of residency? What proportion of the fish captured and tagged at screw traps are smolts and/or actively migrating? Juvenile productivity • One screw trap operated by IDFG on lower Big Creek. • Juvenile abundance estimated at trap using mark recapture (ISMES). • Survival of juveniles to LGR estimated using PIT tags (ISMES). • Age structure estimated from scale analysis (ISMES). • PIT antenna array at Taylor Ranch • Short time frame for screw trap data (starting 2007) CV not known or not calculated? • PIT antenna in Big Creek operated entire –year (attempted • Dispersed PIT tagging 2000-06. • Representativeness of Big Creek to entire population? • Imprecision of SARs at population level. • Determining “what is a smolt” is very important. What are the rates of residency? What proportion of the fish captured and tagged at screw traps are smolts and/or actively migrating? • Modify PIT antenna array in lower Big Creek for year-round dependability. • Increased PIT tagging or roll up SARs to larger scale. • Explore alternative methods of estimating SARs. • Explore feasibility of sampling smolts at LGR using GSI and (with age analysis) for productivity and SAR. • SBT proposes screw trap for Chinook and steelhead in Camas and Loon Creeks. Spatial distribution • INPMEP (BPA 199107300) • No data on adult spawner distribution. • Inference of spawner distribution from parr is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, radio and acoustic tagging). Species diversity • Juvenile life history characteristics estimated at screw trap (i.e., scales, lengths, PIT tags, gender). • Limited adult life history data collected in lower MFSR in early 1990s (scales, lengths, gender). • Collect adult life history data. • Genetic baseline to be maintained at regular intervals. • Implement a 5-year rotating panel to collect baseline genetic samples.
• No adult life history data except from limited sampling in Big Creek. • 2000 ISMES has collected and processed DNA samples throughout the Clearwater and Salmon basins. In 2007 678 DNA samples were analyzed. • Representativeness of Big Creek to entire population. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. Upper Middle Fork Salmon River Population Adult abundance • No weirs. • No hatchery fish released. • Natural-origin Snake River Steelhead MPG and population abundance via Genetic Stock Identification at LGR began in 2008. Age and length composition and sex ratios also determined. • Accuracy of GSI to identify from lower MF Salmon population not yet determined. • CV not known or not calculated? Adult productivity • IDFG Columbia Basin Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon Rivers. • (BPA 199005500 ) $784K/yr. • No sport fishing for adult steelhead permitted within the boundaries of this population. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • INPMEP (BPA 199107300) $785K/yr. • Need better estimates of natural cohort age and sex structure. • Estimates of natural population incidental mortality from sport fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately using traditional methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Population may be influenced by hatchery steelhead; hatchery fraction data are lacking. • Develop surveys of hatchery spawner fraction in index streams. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. Juvenile productivity • One trap operated by IDFG at Marsh Creek. Slated to end after 2014. (ISS 198909800) • Dispersed PIT tagging • Increased PIT tagging or roll up SARs to larger scale. • Explore feasibility of sampling smolts at LGR using GSI and (with
• Juvenile abundance estimated at screw trap using mark recapture. • Survival of juveniles to LGR estimated using PIT tags. • Age structure estimated from scale analysis. • Representativeness of Marsh Creek to entire population. • Imprecision of SARs at population level CV not known or not calculated? • Determining “what is a smolt” is very important. What are the rates of residency? What proportion of the fish captured and tagged at screw traps are smolts and/or actively migrating? • Explore alternative method of estimating SARs with precision. age analysis) for productivity and SAR. • SBT propose screw trap for Chinook and steelhead in Bear Valley Creek. Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids. Marsh Creek & Rapid River (MFSR trib) done in 2007 & 2008. Ended in 2008 • No data on adult spawner distribution. • Inference of spawner distribution from parr is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, radio and acoustic tagging). Species diversity • Juvenile life history characteristics estimated at screw trap (i.e., scales, lengths, PIT tags, gender). • No adult life history data. • Since 2000 ISMES has collected and processed DNA samples throughout the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. • Representativeness of Marsh Creek to entire population. • Collect adult life history data. • Genetic baseline needs to be maintained at regular intervals. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • Implement a 5-year rotating to collect baseline genetic samples. South Fork Salmon River Population Adult abundance • No weirs operated for steelhead; IDFG McCall hatchery operates weir for summer Chinook (not designed or planned to trap steelhead). • No hatchery fish released. • Natural-origin Snake River Steelhead MPG and population abundance via Genetic Stock Identification • CV not known or not calculated? • Upgrade SFSR hatchery weir to enable trapping during steelhead spawning; collect age structure information, sex ratios, and hatchery percentage? However, the weir is located in headwaters; most spawning is
at LGR began in 2008. Age and length composition and sex ratios also determined. • Expected genetics resolution is for South Fork and Secesh as a unit. • NPT and IDFG watershed. South Fork is an intensively managed watershed. Adults estimated using PIT tag array. Habitat monitored under CHaMP. • IDFG increasing B Run monitoring in Clearwater and Salmon river drainages. downstream. Weir would intercept only a small portion of this population. May not be feasible to upgrade this weir to operate during steelhead spawning. Adult productivity • IDFG Columbia Basin Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon Rivers. • No fishing for adult steelhead permitted within the boundaries of this population. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • INPMEP (BPA 199107300) $785K/yr. • IDFG increasing B Run monitoring in Clearwater and Salmon river drainages. • Need better estimates of natural cohort age and sex structure. • Estimates of natural population incidental mortality from fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately using traditional methods in high and turbid flows; juvenile estimates are important as a proxy for adult productivity. • Population may be influenced by hatchery steelhead; hatchery fraction data are lacking. • Develop surveys of hatchery spawner fraction in index streams. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. Juvenile productivity • One trap operated by NPT on Johnson Creek. • One screw trap operated by IDFG on upper SF Salmon. Plan to end trapping in 2014. • Juvenile abundance estimated at screw trap using mark recapture. • Representativeness of sampled streams to entire population. • Imprecision of SARs at population level CV not known or not calculated? • Increased PIT tagging or roll up SARs to larger scale. • Explore alternative method of estimating SARs with precision. • Johnson Creek ave. CV is not known. • Explore feasibility of sampling smolts at LGR GSI and (with age analysis) for productivity and SAR.
Panther Creek Population Adult abundance • No weirs. • No hatchery fish released but hatchery smolts and adults use mainstem Salmon as migration corridor. • SBT operate a steelhead streamside incubator project in Panther Creek. • Natural-origin Snake River Steelhead MPG and population abundance via Genetic Stock Identification (GSI) at Lower Granite Dam began in 2008 $150K/yr (ISMES). Age and length composition and sex ratios also determined. • Accuracy of GSI to identify this population not yet determined. • CV not known or not calculated? • SBT proposing to install adult trap in Panther Creek for Chinook salmon. Trap may be used to capture adult steelhead. Adult productivity • IDFG Columbia Basin Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon River. • (BPA 199005500 ) $784K/yr. • IDFG survey estimates sport harvest in recreational fisheries. • Sport fishing for adult steelhead within population boundaries is permitted only in the mainstem Salmon River. • Annual parr density site monitoring (surrogate for adults) conducted by IDFG within population. • INPMEP • Need better estimates of natural cohort age and sex structure. • Estimates of natural population incidental mortality from sport fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately using traditional methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Population may be influenced by hatchery steelhead; hatchery fraction data are lacking. • Develop surveys of hatchery spawner fraction in index streams. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. • SBT proposing to install adult weir and trap. Juvenile productivity • No screw traps. • SBT operate a steelhead streamside incubator project in Panther Creek. • Dispersed PIT tagging (Panther & Horse). • Increased PIT tagging or roll up SARs to larger scale. • Explore feasibility of sampling smolts at LGR using GSI and (with
• Since 2000 ISMES has collected and processed DNA samples throughout the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. • Develop habitat and life history model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale. Pahsimeroi River Population abundance • One weir at IDFG Pahsimeroi Hatchery; collects adult spawner abundance, sex ratio, lengths. • Hatchery fish released at Pahsimeroi Hatchery and in mainstem Salmon River for harvest augmentation within the boundaries of this population. • Natural-origin Snake River Steelhead MPG and population abundance via Genetic Stock Identification at LGR began in 2008. Age and length composition and sex ratios also determined. • SBT conduct tribal harvest monitoring. • Weir is believed to be 100% but needs to be evaluated. • Kelts not collected to estimate weir efficiency. • Accuracy of GSI to identify this population not yet determined. • Cow Creek Ave. CV = 10.8 with a range of 3.9 to 20.5. • Integrate wild steelhead monitoring at Pahsimeroi hatchery weir more thoroughly with monitoring program. Adult productivity • Age structure information, sex ratios, hatchery percentage estimated at weir. • PIT-tags scanned at weir. • IDFG Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon River. • ISMES • IDFG phone survey estimates sport harvest in recreational fisheries. • Sport fishing for adult steelhead within population boundaries is permitted only in the mainstem Salmon River. • INPMEP • Estimates of natural population incidental mortality from sport fisheries are imprecise. • Estimating steelhead abundance below weir cannot be done accurately using traditional methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Population downstream of the weir influenced by hatchery steelhead; hatchery fraction data are lacking. • Develop surveys of hatchery spawner fraction in index streams below weir. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale.
Juvenile productivity • One trap operated by SBT on lower EF Salmon River targeting Chinook. No steelhead are PIT-tagged. Plan to cease operation in 2014. • Snorkel data since 1982 in upper EF and Herd Creek. • Currently no estimates of juvenile abundance made due to the low number of juveniles trapped. • Imprecision of SARs at population level. • CV not known or not calculated? • Collect steelhead data at EFSR screw trap. Relocate trap further downstream from its present location. • Increase PIT tagging or roll up SARs to larger scale. • Explore alternative method of estimating SARs with precision. • Address hatchery steelhead releases relative to monitoring natural steelhead. • Explore feasibility of using GSI and age comp. for smolts at LGR. Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids (INPMEP). • Some juvenile distribution data available from SBT snorkel surveys. • No data on adult spawner distribution. • Inference of spawner distribution from parr is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, and acoustic tagging). Species diversity • Adult life history characteristics collected at the weir (i.e., scales, lengths, PIT tags, gender). • No juvenile life history data collected at trap. • Representativeness of data from populations to this population. • Collect juvenile life history data at SBT screw trap, or use other populations. • Additional samples need to be collected from juveniles and adults to include in genetic baseline database. • Genetic baseline needs to be maintained at regular intervals. • Develop habitat and life history to synthesize available data to extrapolate from index samples to an appropriate population scale. • Implement a 5-year rotating panel to collect baseline genetic samples. Upper Mainstem Salmon River Population Adult abundance • One weir in Salmon River at IDFG Sawtooth Hatchery and one in Squaw Creek. • Sawtooth Hatchery weir designed for Chinook and is not • Integrate wild steelhead monitoring at Sawtooth Hatchery weir more thoroughly with state-wide monitoring • SBT plan to build a steelhead and Chinook salmon hatchery
• SBT collects information on life history at Yankee Fork trap. • SBT have been collecting tissue samples from Yankee Fork 2006. Secesh River Population Adult abundance • No • No hatchery fish released. • Natural-origin Snake River Steelhead MPG and population abundance via Genetic Stock Identification at LGR began in 2008. Age and length composition and sex ratios also determined. • NPT and IDFG watershed beginning in 2009. Adults estimated with PIT tag array installed in Secesh River. • IDFG increased B Run monitoring in Clearwater and Salmon river drainages (Columbia Basin Fish Accords). • Will be improving due to implementation of ISMEP. • Expected genetics resolution is for Fork Salmon and Secesh as a unit. • CV not known or not calculated? • Need adult abundance information. productivity • IDFG Columbia Fish Accord provides $150,000/yr to do GSI assessments (combined with age and sex comp.) in Clearwater and Salmon River. • Annual parr density monitoring (surrogate for adults) conducted by IDFG within population. • INPMEP (BPA 199107300) $785K/yr. • No sport fishing for adult steelhead permitted within population boundaries. • Need better estimates of natural cohort age and sex structure. • Estimates of natural population incidental mortality from sport fisheries are imprecise. • Estimating adult steelhead abundance cannot be done accurately using traditional methods in high and turbid flows, juvenile estimates are important as a proxy for adult productivity. • Develop surveys of hatchery spawner fraction in index streams below weir. • Reevaluate juvenile sampling design and verify age structure assumptions needed for productivity estimates. • Develop habitat and life cycle model(s) to synthesize available data to extrapolate from index samples to an appropriate population scale.
• Population may be influenced by hatchery steelhead; hatchery fraction data are lacking. Juvenile productivity • Two screw traps operated by NPT for ISS (upper Secesh & Lake Creek, both planned to cease operating in 2014). • One IDFG trap in lower Secesh run by IDFG for ISEMP. • Juvenile abundance estimated at traps using mark recapture (ISMES/ ISEMP). • Juvenile survival to LGR estimated using PIT tags. • Age structure estimated from scale analysis. • IDFG increased B Run monitoring in Clearwater and Salmon drainages (Columbia Basin Fish Accords). • Dispersed PIT tagging • Representativeness of sampled streams to entire population • Imprecision of SARs at population • Determining “what is a smolt” is very important. What are the rates of residency? What proportion of the fish captured and tagged at screw traps are smolts and/or actively migrating? • Ave. CV = 20.9 with a range of 6.9 to 32.3. Traps not operated in winter and represent a minimal estimate. • ISEMP is increasing PIT tagging and/or roll up SARs to larger scale. • Explore alternative method of estimating SARs with precision. • Explore feasibility of using GSI and age comp. for smolts at LGR. Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing the abundance of juvenile salmonids (INPMEP). Secesh done in 2008; one time survey. • No data on adult spawner distribution. • Inference of spawner distribution from parr evaluation sites is uncertain. • Develop alternative methods to estimate spatial distribution (e.g., fry surveys, and acoustic tagging). Species diversity • Juvenile and life history characteristics estimated at screw traps (i.e., scales, lengths, PIT tags, gender). • No adult life history data. • Representativeness of streams to entire population. • Collect adult life history data, or use other populations. • Genetic baseline needs to be maintained at regular intervals. • Implement a 5-year rotating panel to collect baseline genetic samples.