Table 1. Number of radio-tagged Chinook salmon and steelhead used in the evaluation of ΔT effects on ladder passage times at Snake River dams in 2000-2003.
|
Chinook salmon
|
Steelhead | ||||
|---|---|---|---|---|---|
| Dam | Year | Spring | Summer | Fall | Summer |
| Ice Harbor | 2000 | 189 (185) | 44 (22) | 45 (36) | 459 (299) |
| 2001 | 427 (286) | 71 (68) | 93 (92) | 437 (378) | |
| 2002 | 305 (305) | 67 (67) | 73 (72) | 600 (536) | |
| 2003 | 255 (255) | 59 (58) | 29 (27) | 193 (150) | |
| Total | 1,176 (1,031) | 241 (215) | 240 (227) | 1,689 (1,363) | |
| Lower Monumental | 2000 | 100 (85) | 41 (41) | 15 (15) | 198 (198) |
| 2001 | 3 (3) | 18 (18) | 11 (11) | 50 (50) | |
| 2002 | 305 (305) | 66 (66) | 61 (61) | 524 (522) | |
| 2003 | 184 (180) | 60 (60) | 31 (31) | 226 (226) | |
| Total | 592 (573) | 185 (185) | 118 (118) | 998 (996) | |
| Little Goose | 2000 | 201 (194) | 41 (39) | 33 (16) | 458 (233) |
| 2001 | 430 (186) | 71 (70) | 81 (72) | 452 (333) | |
| 2002 | 305 (303) | 67 (67) | 62 (55) | 621 (493) | |
| 2003 | 262 (199) | 60 (0) | 30 (0) | 269 (0) | |
| Total | 1,198 (882) | 239 (176) | 206 (143) | 1,830 (1,059) | |
| Lower Granite | 2000 | 84 (82) | 41 (41) | 23 (23) | 208 (202) |
| 2001 | 247 (246) | 69 (68) | 71 (60) | 309 (307) | |
| 2002 | 289 (282) | 66 (57) | 57 (43) | 458 (416) | |
| 2003 | 29 (29) | 12 (12) | n/a | 11 (11) | |
| Total | 649 (639) | 188 (178) | 151 (126) | 986 (936) | |
Numbers in parentheses are those with both ladder passage times and calculable ΔT.