| Chinook Spawning Ground Surveys Below Bonneville Dam, 2009. | ||||||
| Survey Area | Date | Lives* | Dead** | Redds*** | ||
| Ives/Pierce Island Complex | 2-Oct | 3 | 2 | 0 | ||
| 9-Oct | 0 | 0 | 0 | |||
| 16-Oct | 2 | 0 | 0 | |||
| 23-Oct | 8 | 0 | 1 | |||
| 29-Oct | 22 | 0 | 1 | |||
| 3-Nov | 44 | 2 | 6 | |||
| 10-Nov | 172 | 12 | 40 | |||
| 12-Nov | 141 | 24 | NC | |||
| 17-Nov | 50 | 42 | 11 | |||
| 24-Nov | 52 | 27 | NC | |||
| 1-Dec | 18 | 17 | NC | |||
| 9-Dec | 1 | 0 | NC | |||
| 15-Dec | 1 | 0 | NC | |||
| 16-Dec | 0 | 2 | NC | |||
| 17-Dec | 0 | 1 | NC | |||
| 22-Dec | 0 | 0 | NC | |||
| *Lives may include jacks | ||||||
| **Dead are newly sampled fish only | ||||||
| ***Redds are an instantaneous count for the day, not cumulative. | ||||||