Juvenile Survival Estimates:
    • The following juvenile survival queries allow users to look up (1) CSS juvenile river reach survival estimates; (2) the number of fish used in the CSS analysis by source site; (3) CSS SR, TIR, and D parameters; and (4) FPC annual report survival estimates (includes SMP and CSS program data).
Juvenile Survival Queries Juvenile Survival Queries
    • The following juvenile survival queries allow users to look up (1) CSS juvenile river reach survival estimates; (2) the number of fish used in the CSS analysis by source site; (3) CSS SR, TIR, and D parameters; and (4) FPC annual report survival estimates (includes SMP and CSS program data).
  • CSS Number of Fish by Site CSS Number of Fish by Site
    - Allows the user to query the number of PIT-tagged release numbers of wild and hatchery Chinook and steelhead from various locations above LGR used in the CSS study.
  • CSS Reach Survival Data CSS Reach Survival Data
    - Allows the user to query in-river smolt survival rate estimates through the hydrosystem for PIT-tagged wild and hatchery Chinook and steelhead. The in-river smolt survival estimates were calculated using the CJS method.
  • CSS SR, TIR, and D CSS SR, TIR, and D
    - This query returns three metrics estimated by the CSS for Snake River spring/summer Chinook, steelhead, sockeye, and subyearling fall Chinook. These metrics include: 1) juvenile in-river survival (SR) for the Lower Granite Dam to Bonneville Dam reach, 2) Transport/In-River SAR Ratios (TIR), and 3) differential delayed effects of transportation in relation to in-river out-migrants (D), as presented in Appendix A of the CSS Annual Reports.
  • Juvenile Survival (trap to LMN)Juvenile Survival (trap to LMN)
    - Allows users to review and download annual reach survival estimates of Snake River basin PIT-tagged yearling Chinook and steelhead from trap release sites to Lower Monumental Dam tailrace for years 2004 to present. These data were reported in the FPC Annual Report, smolt monitoring chapter, section H, entitled "Travel Time and Survival Analyses for Hatchery and Trap Releases".
  • FPC Multi-Year Analysis Survival, FTT, WTT FPC Multi-Year Analysis Survival, FTT, WTT
    - allows users to review and download annual smolt survival estimates, fish travel time estimates, water transit times, average spill and water temperatures for Chinook yearlings, Chinook subyearlings, steelhead and sockeye for three reaches: Lower Granite Dam to McNary Dam, McNary Dam to Bonneville Dam and Rock Island Dam to McNary Dam. These data were reported in the 2010 FPC Annual Report, smolt monitoring chapter, section H, entitled "Reach Survival Analyses.

    • The majority of the Smolt Monitoring Program (SMP) survival estimates are calculated for evaluation of hydrosystem effects in particular reaches on aggregate PIT-tag populations. These aggregates incorporate all available PIT tags to estimate survival for the run-at-large. Reach survival estimates are divided into short time intervals so that environmental effects such as flow, spill and temperature can be evaluated in relation to survival. Additionally in a few cases, survival is estimated for specific SMP releases of interest such as from large traps or other smolt monitoring facilities (e.g. Snake River Trap or Rock Island Dam). Releases from these specific sites of interest are on an annual smolt migration basis.


Page design last updated on: November 4, 2016
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