The Nashwaak Watershed

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Fish Ladder Installation at Manzer Brook

August 29, 2018

On August 20th, our team installed a fish ladder on a culvert at Manzer Brook. We had surveyed this culvert in 2017 and recognized that it had a drop at the outlet that was preventing some fish from passing through in low water conditions. The ladder channelizes the flow, which allows fish to swim up into the culvert and continue their migration up Manzer Brook. The 3m long ladder was designed by HILCON Ltd. with input from UNB Fredericton Masters student Calvin O’Neill and Nathan Wilbur from the Atlantic Salmon Federation. It was custom fabricated by Tek Steel LTD and installed by our team with help from St. Mary’s First Nation Fisheries group.

Before installing the fish ladder, we were joined by NWAI director Mark Gautreau and students from the Canadian Rivers Institute for electrofishing above and below the project site. Electrofishing is a commonly used fish collection method where an electrical current is sent through the water to stun fish for fish population data collection. After being stunned, the fish are taken to be weighed and measured, and are then returned to their natural habitat. This information was used in our fish ladder project to determine what aquatic species were in the area. Some of the species that were found included Slimy sculpin, Blacknose dace, Creek chub, Brook trout, Sea lamprey, Eels, and a small Atlantic salmon!

We’d like to extend a big thank you to our funders for this project: Atlantic Salmon Conservation Foundation, Patagonia, WWF Loblaw Water Fund, NB Wildlife Trust Fund, and Government of New Brunswick Environmental Trust Fund.

If you are ever passing by on Rte. 628, please feel free to check it out!

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Upcoming Events

  1. Lunch & Learn: The Link Between Natural Infrastructure & Flood Attenuation

    March 10 @ 12:00 pm - 1:00 pm

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Upcoming Events

  1. Lunch & Learn: The Link Between Natural Infrastructure & Flood Attenuation

    March 10 @ 12:00 pm - 1:00 pm

View All Events

NWAI on Twitter

This is the river at McLaggan Bridge. In 2020 part of this rocky cliff dropped into the river. It makes one think about "deep" time and the geological processes and glacial action that make rivers. https://t.co/GO6z2LL836

- 1 day ago

Another success for #eaunbwater #ConservationMatters https://t.co/qZbj9T3MRy

- 1 day ago

We're so pleased to team up with you on this one @AtlanticDucks! https://t.co/t7pROGUoqd

- 1 day ago

@NatureNB: March 5th is the Day of Unplugging. What better way to end March Break, than by turning off your devices and getting outside? Get out for a walk in a local park or green space, and really take the time to be a part of nature and appreciate quality time with loved ones. 🌲💚 https://t.co/B1vJYwiQQL

- 1 day ago

This morning the Nashwaak Watershed Association started our Spring Break-up data gathering for GNB's River Watch Program. From early March into early April we will monitor conditions on the Nashwaak River at 9+ sites, twice weekly. See the river at Giant's Glen Rd. https://t.co/wOJ8AWHv2N

- 4 days ago

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Nashwaak Watershed Association Inc.

2 days ago

Nashwaak Watershed Association Inc.
Each week as we gather data for the River Watch Program, we will introduce you to a new place on the watershed. This is MacLaggan Bridge (between Nashwaak Bridge and Stanley). In 2020 a section of the rocky cliff in this photo broke off and fell into the river. It is hard to tell if more erosion has happened since or if the snow is falling from the upper ledge. It makes one think about "deep time" and the geological and glacial processes that created the Nashwaak in the first place. ... See MoreSee Less

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Contact Us

Mail:
Nashwaak Watershed Association Inc.
P.O. Box 314, Station “A”
Fredericton, NB
E3B 4Y2

Office:
181 Westmorland Street
Fredericton, NB
E3B 3L6
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Phone: 506 261-4664
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