by admin | Sep 7, 2022 | General
Hi everyone, Check out the video below showing a great example of fish passage remediation targeting small-bodied NZ fish species. The fixes address: The perched apronThe perched culvert outletShallowing of the apronFast laminar flow within the culvert Note: This...
by admin | 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 admin | Sep 24, 2020 | Mussel-Rope
Many of you will be familiar with the use of mussel-rope to help improve fish passage over or through structures including culverts. The rope helps to reduce the water velocity adjacent to the rope and also gives a tactile surface for small fish to wriggle through or...
by admin | Aug 30, 2020 | Climbing Fish & Eels
This short video shows elvers climbing across both smooth and rough surfaces. The urge to overcome obstacles is powerful and you can see individuals climbing over each other. The more we watch these creatures, the better we understand their capabilities and...
by admin | Jul 30, 2020 | Flexible Baffles
It is worth remembering that lows flows and shallow water are challenges to migrating fish. The video below represents remediation to an upgraded urban storm water pipe serving a small tributary of the Maitai River near Nelson, NZ. The upgrade involved...
