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Fig. 7


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Water temperature (A; mean ± SE; n = 1200; 19.5 ± 0.03 °C) and depth (B; n = 1200; 2.6 ± 0.04 m) used by Northern Pike during a 12-h monitoring grouped in 15-min blocks. Asterisk in panel A represent the significant difference in water temperature used during the first 15 min post-release compared to the rest of the monitoring period. Vertical bars represent the standard error of the mean.

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