The volitional travel speed varies with reproductive state in mature female brown trout Salmo trutta

The volitional travel speed varies with reproductive state in mature female brown trout Salmo trutta

This study tested the effect of reproduction on the volitional travel speed of mature female brown trout Salmo trutta L. The downstream travel speed in the pre‐spawning state was 0·25 m s−1 (95% CI : 0·19, 0·34) while it increased significantly to 0·65 m s−1 (95% CI: 0·49, 0·87) in the post‐spawning...

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Veröffentlicht in:Journal of fish biology 2009-09, Vol.75 (4), p.901-907
Hauptverfasser: Svendsen, J. C., Aarestrup, K., Dolby, J., Svendsen, T. C., Christensen, R. H. B.
Format: Artikel
Sprache:eng
Schlagworte:
anadromy
Animal Migration
Animals
behaviour
cost of reproduction
Female
Freshwater
locomotion
locomotor performance
migration cost
Reproduction - physiology
Salmo trutta
Swimming - physiology
Trout - physiology
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Beschreibung
Zusammenfassung:This study tested the effect of reproduction on the volitional travel speed of mature female brown trout Salmo trutta L. The downstream travel speed in the pre‐spawning state was 0·25 m s−1 (95% CI : 0·19, 0·34) while it increased significantly to 0·65 m s−1 (95% CI: 0·49, 0·87) in the post‐spawning state. The results suggest state‐dependent travel speed in S. trutta.
ISSN:0022-1112
1095-8649
DOI:10.1111/j.1095-8649.2009.02310.x