Fish trajectories over a full-scale model of a nature-like unstructured block ramp

Abstract

Preliminary results of ethohydraulic tests with brown trout on a full-scale partial model of an existing nature-like unstructured block ramp are presented. The tests are part of the "MigRamp" project that aims to identify and quantify the migration corridors for upstream migrating fish by linking fish trajectories with bed topography and local flow field under laboratory and field conditions. The results from laboratory experiments show that observed migration paths depend on the combined effect of flow conditions and bed geometry in the way that migrating fish avoided the main flow channel with increasing discharge.

Published in

Title: River Flow 2022
Publisher: CRC PRESS-BALKEMA

Conference

River Flow 2022, the 11th International Conference on Fluvial Hydraulics, 8-10 November, 2022, Kingston and Ottawa, Canada

SLU Authors

• Andreasson, Patrik

  • Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences
    
  • Vattenfall Vattenkraft AB

• Persson, Lo

  • Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences
    

UKÄ Subject classification

Oceanography, Hydrology, Water Resources
Fish and Aquacultural Science

Publication identifier

• DOI: https://doi.org/10.1201/9781003323037-98
• ISBN: 978-1-032-34613-7
• eISBN: 978-1-003-32303-7

Permanent link to this page (URI)

https://res.slu.se/id/publ/139385