U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications
Table 3. Hatchery production, estimates of natural production, percent of hatchery salmon tagged and percent tag recoveries of fall chinook in four river systems in Puget Sound during 1989.
River system | Number of juveniles | Percent of hatchery fish tagged and released prior to samplingb | Percent tagged fish recovered |
| GREEN-DUWAMISH | |||
| Green River Hatchery | 8,670,000 | 5.3 | 6.5 |
| Natural productiona | 2,467,000 | ||
| Estimated total | 11,137,000 | ||
| PUYALLUP RIVER | |||
| Puyallup Hatchery | 2,500,000 | 0 | 1 |
| Natural productiona | 523,300 | ||
| Estimated total | 3,023,300 | ||
| NISQUALLY RIVER | |||
| Kalama Creek Hatchery | 900,000 | 7.5 | 11.8 |
| Nisqually natural productiona | 500,000 | ||
| McAllister Creek Hatchery | 1,900,000 | 0 | 0 |
| McAllister Creek natural productiona | 94,500 | ||
| Estimated total | 3,394,500 | ||
| SNOHOMISH RIVER | |||
| Skykomish Hatchery | 370,000 | 0 | 0 |
| Tulalip Hatchery | 672,000 | 20.5 | 6.0 |
| Natural productiona | 672,400 | ||
| Estimated total | 1,667,400 | ||
a Estimates of natural production were calculated from adult escapement data provided by the Washington State Department of Fisheries.
b Calculated as the percent of juveniles which were tagged and released from the hatchery prior to estuarine sampling.