Abstract
Diurnal shifts in habitat use by age-0 (< 50 mm total length) brown trout (Salmo trutta) were observed from June to July 1989 and 1990 in low-gradient (< 1% channel slope) reaches of Douglas Creek, Medicine Bow National Forest, Wyoming. Fish were visually located during day and night, and water depth, water velocity, distance from the stream edge, substrate, habitat type, and cover were determined at each location. The fish were found predominantly in locations with slow water velocities in stream-margin and backwater-pool habitats. They were observed in slower water, closer to the stream edge at night than during the day.
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Hubert, W.A., Harris, D.D. & Wesche, T.A. Diurnal shifts in use of summer habitat by age-0 brown trout in a regulated mountain stream. Hydrobiologia 284, 147–156 (1994). https://doi.org/10.1007/BF00006886
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DOI: https://doi.org/10.1007/BF00006886