by FPAT | Feb 1, 2022 | Mussel-Rope
Understanding Mussel-rope Part 1 Many culverts are barriers to fish due to being perched/overhanging or having fast laminar flow. In the video below, Tim demonstrates how mussel-rope can improve fish passage at perched/overhanging structures. The rope simulates...
by FPAT | Dec 22, 2021 | Remediation
Hi everyoneThe Fish Passage Action Team have been working on a simple one-page guide to help with the remediation of common structures causing a barrier to fish.The guide includes a link to an interactive decision tool and some helpful before & after...
by FPAT | Dec 3, 2021 | Culverts
Hi everyone, We hope you are staying safe and well. As shared a short while back, we have started using Computation Fluid Dynamics (CFD) to solidify what we already knew about culvert/weir baffles and their fish passage improvement features. CFD is a...
by FPAT | Nov 23, 2021 | Flexible Baffles, Remediation
Hi everyone Below is a photo showing modifications to a back-country mini-hydro intake weir. The original fish pass and minimum residual flow devices were not functioning. The new design successfully allows expected species, all of which are climbers – longfin...
by FPAT | Oct 21, 2021 | Climbing Fish & Eels
Hi everyone Below is a YouTube link to a video sent to us from Greg Wallis in Australia.It shows common galaxiid/inanga (Galaxias maculatus) trying to navigate a vertical wall at a large box culvert.Despite these fish showing amazing burst-swimming abilities to scale...
