Habitat selection by grayling-II. Preliminary results on larval and juvenile daytime habitats |
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| Authors: | P. Sempeski P. Gaudin |
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| Affiliation: | URA CNRS 1451, Laboratoire ďEcologie des Eaux Douces et des Grands Fleuves, UniversitèClaude Bernard Lyon 1, 43 boulevard du 11 novembre 1918, 69622 Villeurbanne cedex, France |
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| Abstract: | Larval grayling were found along the shoreline at velocities <20 cm s-1 depths <40 cm, shear stress <2 dyn m-2 and over sand and silt. Juveniles were found in the river channel at currents of 20-40 cm s-1 depths of 40-60 cm and shear stresses of 2-4 dyn m-2, over gravel and pebbles. |
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| Keywords: | salmonids Thymallus thymallus larval and juvenile stages habitat selection |
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