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Table 1 2020 tagged Atlantic salmon smolt characteristics and migration speed metrics for individuals detected at the COMPASS and SeaMonitor marine receivers

From: Evidence of long-distance coastal sea migration of Atlantic salmon, Salmo salar, smolts from northwest England (River Derwent)

Smolt tag number Date tagged FL (mm) W (g) Tag burden Estimated distance travelled before marine detection (km) Migration speed Array detection
km day−1 ms−1 Body lengths/s Days at sea
34920 2020-05-01 146 31.4 4.5 261.88 26.2 0.2876 1.9701 10 SeaMonitor
34946 2020-05-02 143 30.7 4.6 138.01 23 0.2457 1.7184 6 COMPASS
34988 2020-05-03 149 32.3 4.3 137.75 15.3 0.1616 1.0843 9 COMPASS