Survival of juveniles to LGR estimated PIT tags. because sample size is large • In 2007 IDFG adopted a rotating probabilistic enough. • GRTS design for assessing juvenile abundance. Fish No CV estimates have been • Creek done in 2007 and 2008 ongoing annual provided for this analysis. sampling (ISMES). Random snorkel surveys in Crooked Fork Creek • (INPMEP). IDFG providing increased monitoring of B-run • steelhead (Columbia Basin Fish Accords). Spatial distribution In 2007 IDFG adopted a rotating panel probabilistic No data on adult spawner Develop alternative methods to • • • GRTS design for assessing juvenile abundance. Fish distribution. estimate spatial distribution (e.g., fry Creek done in 2007 and 2008 ongoing annual Inference of spawner distribution surveys, radio and acoustic tagging). • sampling (ISMES). from parr is uncertain. Random snorkel surveys in Crooked Fork Creek • (INPMEP). Species diversity Juvenile and adult life history characteristics Representativeness of Genetic baseline to be maintained Implement a 5-year rotating • • • • estimated at weir and screw traps (i.e., scales, streams to entire population. at regular intervals. to collect baseline genetic lengths, PIT tags, gender). Develop habitat and life history samples. • appear to be sufficient DNA samples being model(s) to synthesize available data to • collected to provide good baseline for future ESA extrapolate from index samples to an status review of genetic diversity. Since 2000, ISMES appropriate population scale. has collected tissue samples from populations across all populations in the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. Selway River Population No steelhead Data very limited. Need abundance and age structure • • • No hatchery fish released. It is expected that GSI will data for index subpopulation. • • Adult abundance accurately identify this population; however this must be verified.
• Survival of juveniles to LGR estimated PIT tags. • In 2007 IDFG adopted a rotating probabilistic GRTS design for assessing juvenile abundance. Fish Creek done in 2007 and 2008 ongoing annual sampling (ISMES). • Random snorkel surveys in Crooked Fork Creek (INPMEP). • IDFG providing increased monitoring of B-run steelhead (Columbia Basin Fish Accords). because sample size is large enough. • No CV estimates have been provided for this analysis. Spatial distribution • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing juvenile abundance. Fish Creek done in 2007 and 2008 ongoing annual sampling (ISMES). • Random snorkel surveys in Crooked Fork Creek (INPMEP). • 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 and adult life history characteristics estimated at weir and screw traps (i.e., scales, lengths, PIT tags, gender). • appear to be sufficient DNA samples being collected to provide good baseline for future ESA status review of genetic diversity. Since 2000, ISMES has collected tissue samples from populations across all populations in the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. • 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 to collect baseline genetic samples. Selway River Population Adult abundance • No steelhead • No hatchery fish released. • Data very limited. • It is expected that GSI will accurately identify this population; however this must be verified. • Need abundance and age structure data for index subpopulation.