Little or no population specific data Genetic analysis of adults and/or Implement a 5-year rotating panel • • • juveniles from this population need to be to collect baseline genetic Species diversity included in baseline genetic database. samples. Genetic baseline needs to be • maintained at regular intervals Chamberlain Creek Population abundance IDFG does site redd counts in Chamberlain and Accuracy of GSI to identify this Data limited to the Chamberlain Creek • • • WF Chamberlain creeks. Data since 1985. population needs to be determined drainage. Expand adult abundance Natural-origin River Chinook abundance estimates to include other streams in this • estimated at LGR by IDFG using Genetic Stock population. Identification beginning 2008. Age composition and Need more accurate and precise adult • sex ratios also determined. abundance data (increased redd surveys, weirs, GSI). Adult productivity Little or no data. One-pass redd surveys have Need more accurate and precise adult • • • No hatchery fish are stocked within population sampled few carcass for productivity estimates. • boundaries but mainstem Salmon River used for estimating age structure. migrating hatchery origin adults and smolts No recreational fishing for Chinook salmon allowed • within population boundaries. Juvenile Little or no data Sample size from NMFS • • productivity IDFG site snorkel surveys done 1980 2006. tagging may be too small to obtain • – Transitioning to a rotating panel probabilistic GRTS accurate and precise estimates. design for assessing juvenile abundance. NMFS PIT-tags juvenile Chinook salmon during • summer. Data used to determine run timing and survival at LGR. Spatial distribution Redd surveys done in the one MaSA but not the 3 Expand redd surveys to include the • • MiSA s. three MSA’s (Sabe, McCalla, and Bargamin creeks)
Species diversity • Little or no population specific data • Genetic analysis of adults and/or juveniles from this population need to be included in baseline genetic database. • Genetic baseline needs to be maintained at regular intervals • Implement a 5-year rotating panel to collect baseline genetic samples. Chamberlain Creek Population abundance • IDFG does site redd counts in Chamberlain and WF Chamberlain creeks. Data since 1985. • Natural-origin 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 • Data limited to the Chamberlain Creek drainage. Expand adult abundance estimates to include other streams in this population. • Need more accurate and precise adult abundance data (increased redd surveys, weirs, GSI). Adult productivity • Little or no 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. • One-pass redd surveys have sampled few carcass for estimating age structure. • Need more accurate and precise adult productivity estimates. Juvenile productivity • Little or no data • IDFG site snorkel surveys done 1980 – 2006. Transitioning to a rotating panel probabilistic GRTS design for assessing juvenile abundance. • NMFS PIT-tags juvenile Chinook salmon during 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. Spatial distribution • Redd surveys done in the one MaSA but not the 3 MiSA s. • Expand redd surveys to include the three MSA’s (Sabe, McCalla, and Bargamin creeks) tagging