2004 Barge and Truck Mortalities

The four transportation sites, Lower Granite, Little Goose, Lower Monumental and McNary collect barge and truck mortality data from the US Army Corps of Engineers. Barging begins at Lower Granite, with stops at Little Goose and Lower Monumental dams.  All mortalities are reported as happening at Lower Granite since there is no way to determine at which project or sample the morts originated.  Later in the season when McNary is the only operating collector project, mortalities will be attributed to McNary Dam.

All Site Mortalities - weekly totals
Week Chinook 1 Chinook 0 Steelhead Sockeye Coho Total
  Clip NoClip Clip NoClip Clip NoClip Clip NoClip Both  
03/26 - 04/01 0 0 0 0 2 3 0 0 0 5
04/02 - 04/08 3 11 0 0 4 0 0 0 0 18
04/09 - 04/15 14 4 0 0 0 1 0 0 1 20
04/16 - 04/22 86 59 0 5 6 1 0 0 1 158
04/23 - 04/29 2,469 664 0 0 409 91 0 0 2 3,635
04/30 - 05/06 2,339 401 0 4 825 107 0 0 0 3,676
05/07 - 05/13 1,838 493 0 0 577 176 0 1 4 3,089
05/14 - 05/20 352 127 0 0 254 109 0 2 11 855
05/21 - 05/27 288 117 2 5 360 80 0 0 65 917
05/28 - 06/03 64 43 0 3 294 63 0 2 11 480
06/04 - 06/10 7 10 0 16 62 21 0 1 7 124
06/11 - 06/17 11 4 4 86 45 4 1 1 1 157
06/18 - 06/24 1 1 0 28 27 16 0 1 6 80
06/25 - 07/01 9 1 0 358 39 8 0 0 3 418
07/02 - 07/08 2 5 0 405 77 26 1 0 1 517
07/09 - 07/15 12 3 0 227 40 19 4 0 1 306
07/16 - 07/22 9 21 0 172 24 16 0 0 1 243
07/23 - 07/29 4 5 0 296 16 17 0 0 0 338
07/30 - 08/05 4 4 0 63 11 5 1 0 0 88
08/06 - 08/12 0 0 0 54 10 5 0 0 0 69
08/13 - 08/19 4 3 0 11 4 1 0 0 0 23
08/20 - 08/26 0 0 0 13 0 0 0 0 0 13
08/27 - 09/02 0 0 0 5 0 0 0 0 0 5
09/03 - 09/09 0 0 0 2 0 0 0 0 0 2
09/10 - 09/16 0 0 0 2 0 0 0 0 0 2
09/17 - 09/23 0 0 0 307 0 0 0 0 0 307
09/24 - 09/30 0 0 0 8 0 0 0 0 0 8
10/01 - 10/07 0 0 0 2 0   0 0 0 1
10/08 - 10/14 0 0 0 1 0 0 0 0 0 0
10/15 - 10/21 0 0 0 1 0 0 0 0 0 1
10/22 - 10/28 0 0 0 4 0 0 0 0 0 4
10/29 - 10/31 0 0 0 0 0 0 0 0 0 0
YTD 7,516 1,976 6 2,078 3,086 769 7 8 115 15,561

NOTES:

  • Mortalities reported are for dead fish removed from the barge or truck.  Only those mortalities found floating at the top of the holding tanks are removed.
  • With regard to barge mortalities for chinook sub yearlings and steelhead,it is impossible to positively identify them as hatchery or wild origin



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Page last updated on: July 15, 2008

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