In 2007 IDFG adopted a rotating panel probabilistic No data on adult spawner Develop alternative methods to • • • GRTS design for assessing the abundance of juvenile distribution. estimate spatial distribution (e.g., fry Spatial distribution salmonids upper Selway done in 2008. Inference of spawner distribution surveys, radio and acoustic tagging). • from parr is uncertain. Limited life history data. Representativeness of index Genetic baseline needs to be Implement a 5-year rotating panel • • • • There appear to be sufficient DNA samples being streams to entire population. maintained at regular intervals. to collect baseline genetic • collected to provide good baseline for future ESA Develop habitat and life history samples. • status review of genetic diversity. Since 2000, Idaho model(s) to synthesize available data to Species diversity Steelhead Monitoring and Evaluation Studies has extrapolate from index samples to an collected tissue samples from populations across all appropriate population scale. the various populations in the Clearwater and Salmon basins. In 2007, 678 DNA samples were analyzed. DNA collected in upper Selway in 2008. •
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.
chapters_7-9_idaho_mu_plan_november_2015.docx