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Hydrobiologia

, Volume 76, Issue 3, pp 217–228 | Cite as

Relations entre le benthos, la derive, le rythme alimentaire et le taux de consommation de truites communes (S. trutta L.) en canal experimental

  • A. Neveu
Article

Mots clés

benthos drift feeding rhythm consumption rate brown trout 

Abstract

Relationships between benthos, drift, feeding rhythm and consumption rate of brown trout were investigated in an artificial stream in late spring. There are good correlations between insects activities and feeding rhythm of the trout. There are two feeding periods, the first one, more important, occurs at dusk and the second one in early morning. Daily ration is 6% of trout dry weight.

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Copyright information

© Dr. W. Junk b.v. Publishers 1980

Authors and Affiliations

  • A. Neveu
    • 1
  1. 1.I.N.R.A.Laboratoire d'Ecologie HydrobiologiqueRennes CedexFrance

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