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Dates of PIT- tagging and recapture surveys of Atlantic salmon juveniles in the River Alta
| Site | Tagging and release | First recapture survey | Second recapture survey |
|---|---|---|---|
| Ice-covered | 9–18 October 2004 (694 parr, 747 presmolt) | 1–7 May 2005 (212 parr, 214 presmolt) | 9–14 May 2005 (150 parr, 150 presmolt) |
| Ice-free | 13–16 October 2004 (486 parr, 740 presmolt) | 1–6 April 2005 (84 parr, 78 presmolt) | 19–25 April 2005 (32 parr, 32 presmolt) |
