U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications
NOAA-NMFS-NWFSC TM-9: Effectiveness of Predator Removal for Protecting Juvenile Fall Chinook Salmon Released from Bonneville Hatchery, 1991

Appendix Table A2. Tag loss estimates among marked groups of subyearling chinook salmon after a 30-day holding period; Tanner Creek vs. midstream Columbia River release, 1991.


      Release dates Coded-
wire tag
(AG D1 D2)a
NTb Samplec

Tanner Creek releases      
  24 June 071416 22 539
  28 June 071417 17 427
Midstream releases      
  24 June 074649 29 539
  28 June 075654 24 571

aAG D1 D2 = Agency code, Data 1 code, Data 2 code.
bNT = Number of branded fish in the sample with no coded-wire tag.
cNumber of fish checked for the presence of coded-wire tags.


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