by admin | Jul 20, 2020 | Climbing Fish & Eels
Tim Olley captured this rare footage of a juvenile redfin bully (Gobiomorphus huttoni) climbing up a retro-fitted mussel-rope with backing, into an overhanging culvert. It reminds us that, given half a chance, many fish will navigate challenging obstacles. What is not...
by admin | Jul 6, 2020 | Flexible Baffles
Below is one of Tim’s videos featuring the culvert remediation project in the recently published “Lessons Learnt 8”. There is some great underwater footage showing how fish navigate upstream utilizing the back-eddies and rest pools created by the...
by admin | Jun 15, 2020 | Remediation, Reports
Jordie McDonald has completed a desktop GIS project highlighting the huge number of potential barriers to fish passage in the Northland Region of New Zealand. The extent of the potential barriers is probably typical around NZ the rest of the world....
by admin | Jun 4, 2020 | Flexible Baffles, Reports
The NZ Dept Conservation Fish Passage Advisory Group website has a number of Lessons Learnt describing different fish passage remediation projects. Tim Olley spent over a year researching and putting together this comprehensive report highlighting the effectiveness of...
by admin | Jun 3, 2020 | Erosion Control
We received heaps of thoughtful feedback from engineers and ecologists regarding the last mail-out, so we have summarized the comments below. The projects in question are typically the often steep outfalls from culverts or other structures, as opposed to stream...
