Chinook Salmon Spawning Ground Surveys Below Bonneville Dam, 2015-16.
Survey Area Date Lives* Dead** Redds***  
Ives/Pierce Island Complex 8-Oct-15 0 2 1 5 ft. vis.
15-Oct-15 3 0 0 5 ft. vis.
22-Oct 0 0 1 10 ft. vis.
29-Oct 3 0 1 6 ft. vis.
3-Nov-15 125 3 38 4 ft. vis.
10-Nov-15 161 36 0 9 ft. vis.
18-Nov-15 27 35 0 1 ft. vis.
24-Nov-15 236 86 NC 6 ft. vis.
3-Dec-15 216 NC NC 5 ft. vis. unable to complete survey due to weather
NC = No count 8-Dec-15 1 2 NC 0.5' vis. high water and windy conditions=poor visibility
*Lives may include jacks 15-Dec-15 2 4 NC 3 ft. vis. poor visibility
**Dead are newly sampled fish only 22-Dec-15 1 0 NC 3 ft. vis. poor visibility
***Redds are an instantaneous count for the day, not cumulative. 28-Dec-15 0 1 0 3 ft. vis.
7-Jan-16 0 0 0 6 ft. vis.