Preferences of mature male brown trout and Atlantic salmon parr for orifice and weir fish pass entrances matched for peak velocities and turbulence

• Published in: Ecology of Freshwater Fish
• Main Authors: Guiny, E., Armstrong, J. D., Ervine, D. A.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2003
• Subjects: Weir; Atlantic salmon
• Online Access: http://dx.doi.org/10.1034/j.1600-0633.2003.00025.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1034%2Fj.1600-0633.2003.00025.x; https://onlinelibrary.wiley.com/doi/pdf/10.1034/j.1600-0633.2003.00025.x

Abstract – Mature male brown trout and Atlantic salmon parr were offered a choice of two fish pass entrances: a weir and an orifice. Peak velocities and turbulence were closely matched between the pass entrances. There was very strong selection for the orifice among both salmon (20 of 20) and trout...