No recreational fishing for Chinook salmon allowed in the Pahsimeroi River. SBT monitors and estimates Tribal harvest (hatchery • and wild). Juvenile IDFG has operated a screw trap for ISS study in the • productivity Pahsimeroi River at the hatchery since 1992. Juvenile migrant abundance estimated at traps • using mark recapture. Juvenile survival to LGR estimated using PIT tags. • Spatial distribution IDFG does redd counts in the one MaSA. There are • no MiSAs. In 2007 IDFG adopted a rotating panel probabilistic • GRTS design for assessing juvenile abundance. Pahsimeroi done in 2008. One time survey Species diversity Age and diversity data available since 1999 from Good information from fish Genetic baseline needs to be Implement a 5-year rotating panel • • • • INPMEP. sampled at weir, on spawning maintained at regular intervals to collect baseline genetic ground, and screw trap. samples. East Fork Salmon River Population This is a treatment stream for ISS. A lot of spawning area is Need more accurate and precise adult IDFG proposed to build a weir • • • • Adults trapped at weir located on EF Salmon River at downstream of weir. 17% of abundance data (increased redd near mouth of EF Salmon River to • RKM 25. Weir is part of Sawtooth Hatchery spawners are counted at the weir surveys, weirs, GSI). trap adult steelhead and Chinook operations. based upon the proportion of HSRG recommends relocating weir salmon, to replace upstream weir. • IDFG does aerial redd counts in EF Salmon redds counted in IDFG index sites near the mouth of EF Salmon River • Adult abundance River. Data available since 1957. 1999-2006. SBT does multi-pass ground redd counts in EF Accuracy of GSI to identify this • • Salmon River and Herd Creek for ISS study. population needs to be SBT-SRHE conduct multi-pass ground redd counts determined. • in Herd Creek, since 1990s.
No recreational fishing for Chinook salmon allowed in the Pahsimeroi River. • SBT monitors and estimates Tribal harvest (hatchery and wild). Juvenile productivity • IDFG has operated a screw trap for ISS study in the Pahsimeroi River at the hatchery since 1992. • Juvenile migrant abundance estimated at traps using mark recapture. • Juvenile survival to LGR estimated using PIT tags. Spatial distribution • IDFG does redd counts in the one MaSA. There are no MiSAs. • In 2007 IDFG adopted a rotating panel probabilistic GRTS design for assessing juvenile abundance. Pahsimeroi done in 2008. One time survey Species diversity • Age and diversity data available since 1999 from INPMEP. • Good information from fish sampled at weir, on spawning ground, and screw trap. • Genetic baseline needs to be maintained at regular intervals • Implement a 5-year rotating panel to collect baseline genetic samples. East Fork Salmon River Population Adult abundance • This is a treatment stream for ISS. • Adults trapped at weir located on EF Salmon River at RKM 25. Weir is part of Sawtooth Hatchery operations. • IDFG does aerial redd counts in EF Salmon River. Data available since 1957. • SBT does multi-pass ground redd counts in EF Salmon River and Herd Creek for ISS study. • SBT-SRHE conduct multi-pass ground redd counts in Herd Creek, since 1990s. • A lot of spawning area is downstream of weir. 17% of spawners are counted at the weir based upon the proportion of redds counted in IDFG index sites 1999-2006. • Accuracy of GSI to identify this population needs to be determined. • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). • HSRG recommends relocating weir near the mouth of EF Salmon River • IDFG proposed to build a weir near mouth of EF Salmon River to trap adult steelhead and Chinook salmon, to replace upstream weir.