CSS SR, TIR, and D Metadata

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.

For detailed discussions of these data and how SR, TIR, and D are estimated, see Appendix A of the most recent CSS Annual Report (http://www.fpc.org/documents/CSS.html).

Click here to download a copy of the CSS SR, TIR, and D brief metadata.

Field Name Description
GroupDescription Description of CSS Group including: where PIT-tagged fish were reared (if hatchery) and/or released, rear type, race type, and species.
SpeciesCode
  • CH = Chinook
  • ST = Steelhead
  • SK = Sockeye
RearCode
  • W = Wild
  • H = Hatchery
  • HW= Combined Hatchery and Wild
RaceCode
  • Spr = Spring
  • Sum = Summer
  • SpSu = Spring/Summer
  • Fall = Fall
MigrYr Year of PIT-tagged smolt out-migration
SR Estimated juvenile in-river survival for the Lower Granite Dam to Bonneville Dam reach
SR_LCI 90% lower limit bootstrap confidence interval for SR.
SR_UCI 90% upper limit bootstrap confidence interval for SR.
TIR Ratio of the Transport SAR (T0 or Tx)/In-River SAR (C0) for the Lower Granite-to-Lower Granite reach (without jacks for Chinook).
TIR_LCI 90% lower limit bootstrap confidence interval for TIR.
TIR_UCI 90% upper limit bootstrap confidence interval for TIR.
D Differential delayed effects of transportation in relation to in-river out-migrants. Ratio of Transport SAR (T0 or Tx)/In-River SAR (C0) but for the Bonneville-to-Lower Granite reach (without jacks for Chinook).
D_LCI 90% lower limit bootstrap confidence interval for D.
D_UCI 90% upper limit bootstrap confidence interval for D.
SR_Expansion
  1. = 25% expansion JDA to BON
  2. = 51% expansion MCN to BON
  3. = 77% expansion LMN to BON
Footnote Any other relevant information about SR, TIR, or D estimates.
Return to CSS SR, TIR, and D Data Query Wizard

Page design last updated on: October 20, 2016
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