Chinook Salmon Spawning Ground Surveys Below Bonneville Dam, 2011-12.
Survey Area   Date Lives* Dead** Redds***  
Ives/Pierce Island Complex 15-Sep 0 0 0
20-Sep 0 0 0
27-Sep 3 2 0
30-Sep 4 1 0
3-Oct 0 0 1
7-Oct 1 1 2
10-Oct 0 1 0
13-Oct 0 1 2
17-Oct 8 1 0
21-Oct 12 1 2
24-Oct 3 0 3
28-Oct 14 0 0 1 ft. vis.
1-Nov 63 1 7 2.5 ft. vis.
8-Nov 324 12 88 3 ft. vis.
15-Nov 300 39 82 3 ft. vis.
22-Nov 78 45 NC 3 ft. vis.
29-Nov 140 52 NC 5 ft. vis.
6-Dec 68 66 NC 5 ft. vis.
13-Dec 26 4 NC 12 ft. vis.
20-Dec 11 7 NC 5 ft. vis.
27-Dec 0 3 NC 12 ft. vis.
3-Jan 0 0 NC 4 ft. vis.
10-Jan 0 0 NC 10 ft. vis.
17-Jan 0 0 NC 3 ft. vis.
*Lives may include jacks
**Dead are newly sampled fish only
***Redds are an instantaneous count for the day, not cumulative.