Diurnal shifts in use of summer habitat by age-0 brown trout in a regulated mountain stream

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 wate...

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Bibliographic Details
Published in:Hydrobiologia 1994-05, Vol.284 (2), p.147-156
Main Authors: Hubert, W.A. (Wyoming Univ., Laramie, WY (USA). Wyoming Cooperative Fish and Wildlife Research Unit), Harris, D.D, Wesche, T.A
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Animal and plant ecology
ANIMAL MIGRATION
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
COURS D'EAU
CURSOS DE AGUA
ETE
Freshwater
Fundamental and applied biological sciences. Psychology
HIGHLANDS
MIGRACION ANIMAL
MIGRATION ANIMALE
REGION D'ALTITUDE
RIVERS
SALMO TRUTTA
SUMMER
VERANO
Vertebrata
ZONA DE MONTANA
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Summary: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.
ISSN:0018-8158
1573-5117
DOI:10.1007/bf00006886