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N.B math tutor calculates his personal carbon footprint.
The last 7 days have filled our community cup to the brim! So many incredible local organizations came together and made connections with each other and the land. 1050 silver maple trees were lovingly planted in the rich floodplain soils along the Nashwaak River. So many fine folks stepped up for the future of our watershed this week. We had children and elders, business owners, students and neighbours show up and it means a whole lot. This special little parcel of land we call Neill’s flats is forever changed by your efforts. Thank you.
Volunteering gives so much more than your time and effort! Your support leaves us motivated and inspired. Volunteering shows our amazing funders how much the community cares about these spaces and leaves them enthusiastic to support future projects. We could not and would not want to do this work without you. Thanks for living the definition of community. You all rock!
Our segment on CBC begins at 13.56
Check out this short interview with our very own Marieka Chaplin and CCNB’s Louise Comeau. This short clip discusses connections with nature and actions that you can take to help our planet every day – not just Earth Day!
A project 5 years in the making, the Campbell Creek dam removal has been completed and the former headpond has been replanted with native grasses, willows, and trees. Our project team put together a short video documenting the process. Check it out and see how all of our project partners worked together to bring this wonderful project to fruition and how we hope it will positively impact the ecosystem.
Built in 1919, the Campbell Creek dam was a well-known landmark in Marysville. It once provided water to the Marysville Cotton Mill — the largest of its kind in the Maritimes, but with the closure of the mill in the 1970s, the dam became obsolete and began to deteriorate.
After assessing the dam in recent years, engineers recommended its removal as it was a liability in terms of safety. It also negatively affected fish habitat and aquatic connectivity for over a century. The dam did not meet the Canadian Dam Association guidelines with respect to the hydraulic capacity of the spillways, stability, seepage and erosion, or public safety and fish passage was non-existent.
This project consisted of several phases, including baseline monitoring of the site using biological, physical and chemical parameters, site preparation, the removal of the dam, and the restoration of the site following removal.
This phase started in the summer of 2020 and involved removing a blockage from the sluicegate that was keeping the headpond filled with water. Draining the headpond was done one season before the removal of the dam in order to allow riparian vegetation to establish, as well as helping to retain the structure of the soil in the area prior to the construction process. The dam was also notched to prevent the headpond from being able to fill in future.
This phase was the largest phase of the project and took place this past summer and fall (2021). The dam removal occurred during the low-flow period of the year, as this was when water levels would be the lowest and the soils would be the driest – meaning that they would be more able to support the heavy machinery required for construction. Site access was also designed prior to this in a way that would minimize the disturbance to soil and vegetation.
Due to the age of the dam and the fact that the headpond was situated on a potential paleo-shoreline, archeological surveying of the site and monitoring throughout the construction process was necessitated. Provincial archaeologists conducted photogrammetric mapping and dendrochronological dating of the oldest parts of the dam and we were fortunate to receive support from Colbr Consulting through their outreach program to conduct testing and monitoring prior to and during construction.
Prior to, and during the dam removal, several fish rescues were performed to mitigate any fish mortality in the construction process. The fish rescue involved electrofishing the stream above and around the construction zone and releasing all of the fish downstream of the dam, at a safe distance from the construction. A barrier was installed at both ends of the area to prevent fish or other aquatic creatures from entering the dam removal site during construction.
The removal of the dam took place over several weeks and involved clearing a temporary access route to the headpond for the heavy machinery, transporting the machinery and equipment into the site, and demolishing the dam. During this time the course of the creek had to be re-directed several times as the machinery worked from one side of the river to the other, crushing and removing the concrete. The concrete of the dam was laid to rest on site, buried in the streambank and covered in topsoil to be planted with vegetation. As of the 22nd of September 2021, the dam had been completely removed and we were ready for phase 3 – Restoration!
Post-dam removal the newly established creek channel was constructed to facilitate fish passage, with a roughened channel comprising boulders of local bedrock and a series of pools to help fish navigate the slope upstream.
The former headpond was planted with over 3000 native Acadian forest species including: red oak, eastern white pine, red spruce, yellow and white birch. Due to tricky site access, which did not allow vehicle through the headpond, all vegetation had to be carried into site by hand. Planting was carried out with the support of a stellar crew from Community Forests Canada, who planted the entire site in a single afternoon, a truly Herculean effort.
In addition to tree planting, over 900 native riparian shrubs were staked and planted along the newly established river banks and the construction zone was seeded with appropriate grass by hand to mitigate erosion and sedimentation.
Ecological restoration and recovery do not occur overnight – these are long-term processes that we have sought to support and optimize through the removal of the dam and restoration of the stream channel and headpond.
While there was a large amount of monitoring done prior to the project, additional monitoring was also required immediately following the dam removal, and will be conducted for several years into the future. This monitoring will continue each year until 2024 to assess the impact of the dam removal on the local ecosystem.
Environmental monitoring will include studying the changes in local ecology, water quality, hydrology and river morphology that have resulted from the removal of the dam as the stream returns to its natural state. It will also include studying benthic macroinvertebrates, and environmental DNA sampling for species-at-risk. We expect that environmental parameters will improve over time, but monitoring will ensure that this is the case, allowing us to determine whether further interventions are needed, and ensure that the ecosystem is returning to its natural state.
By removing the Campbell Creek dam, this project has not only removed a public safety liability, but has also initiated the process of the restoration of Campbell Creek, worked to improve water quality, and improved the habitat for native fish. For the first time in over a century, Campbell Creek is freely flowing!
Again, we would like to thank our numerous partners who came together to bring this project to fruition, and we feel privileged to be part of this Wolastoquey-led initiative. The removal of the dam and restoration of the former headpond will provide habitat for aquatic species-at-risk: Atlantic salmon and American eel, as well as other coldwater fish (brook trout & sea lamprey), and terrestrial species. In addition, the restored creek will provide improved water quality, landscape connectivity and downstream regulation of water & sediment flow.
Our project partners include: the Maliseet Nation Conservation Council, Saint Mary’s First Nation, Wolastoqey Nation New Brunswick, the City of Fredericton, the Atlantic Salmon Federation, Community Forests Canada, Colbr Consulting and Hilcon Engineering. Funding for this work was provided by the Department of Fisheries and Oceans, the Atlantic Salmon Conservation Foundation and WWF-Canada.
Happy New Year! To ring in the new year, we wanted to celebrate a few of our accomplishments from 2021. Scroll through to check them out!
In February and March, we hosted several Night Hikes and Owl Prowls at Mactaquac Park. The events incorporated snowshoeing, stargazing, and learning about night time critters. Community members of all ages came out to see what the park had to offer! Special thanks to Ian Smith and Ducks Unlimited Canada for helping out with these events.
In May, we started tree planting for the season. Despite the pandemic, we were able to plant hundreds of trees with the help of countless volunteers. Tree species that were planted included silver and red maple, butternut, and bur oak, among many others. A big thanks to everyone that came out to help!
In June, we launched our seed collection project, collecting over 220L of native maple seeds to plant in the coming years. These seeds were collected from maple trees within the watershed, and were then shipped to the Scott & Stewart Nursery in Nova Scotia. The pictures above show over 20,000 seedlings that are currently being cared for at the nursery. These trees will be planted in the upcoming tree planting season!
In July, we hosted a series of community workshops aimed at helping those within the watershed enjoy the outdoors and learn about what nature has to offer! The workshops included outdoor yoga, a monarch monitoring blitz, a tour of our Marysville Flats restoration site, and an intro to fly fishing. The events were all well attended and enjoyed by many community members!
In August, we hosted our first Paddle Along the Nashwaak event. Community members showed up to canoe or kayak down the Nashwaak River, learning about our various restoration activities along the way. This event was so popular that we held another one in September! Special thanks to Second Nature Outdoors for partnering with us for this wonderful event.
In September, we launched the Acadian (Wabanaki) Forest Project. Through this project, landowners within the watershed can be visited by a Registered Professional Forester (RPF) to gain insight on how they can manage their land sustainably. For more information on this project, check out The Acadian Forest Project on our website.
In October, we completed the removal of the Campbell Creek Dam, a project that was years in the making. Now that the dam has been removed, we will continue to restore and monitor this piece of land to ensure that it remains healthy! Thank you to the countless groups that brought this project to fruition. Our project partners included: the Maliseet Nation Conservation Council, Saint Mary’s First Nation, Wolastoqey Nation New Brunswick, the City of Fredericton, the Atlantic Salmon Federation, Community Forests Canada, Colbr Consulting and Hilcon Engineering. Funding for this work was provided by the Department of Fisheries and Oceans, the Atlantic Salmon Conservation Foundation and WWF-Canada.
Finally, in November, we completed the tree planting phase of the Marysville Restoration Project. After working on this site for over 10 years, the last piece of land was planted in the fall. The conservation of this piece of land was made official in December, when we were granted a conservation easement for the site. The easement is now held by the NWAI in partnership with the City of Fredericton, and protects Marysville Flats in perpetuity.
Overall, 2021 has been an extremely successful year. Thank you to all of our funders and volunteers for contributing to our efforts – we could not have done it without you!
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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: 506 447-9699
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