Streambank Stabilization at Key Locations in the Salmon River Watershed | |
Location: Thompson,
Salmon River Watershed
Project Summary
Purpose:
The primary purpose of the project is to work with local landowners to improve fish habitat for coho and other salmonids at 18 of the remaining high priority streambank and riparian area restoration site candidates on 7 farms within the Salmon River Watershed. A second purpose is to enable education and awareness opportunity by working with local landowners and residents on the projects using a “hands on ” approach, to teaching the principles and practices of healthy riparian areas and their contribution to healthy salmon populations. The overarching purpose of this restoration activity is that it contributes to a landscape level benefit for salmon and all that they represent as indicators of ecosystem health. These three purposes fit within the context of the long term (20-200 year) watershed sustainability plan that has been developed and acted upon incrementally over the past 15 years by the SRWR and its various partners.
Method:
The proposed project will include streambank restoration at priority sites along the Salmon River and tributaries which will total approximately 990m in length. Standard revetment bioengineering techniques will be used including the installation of approximately 141 wood/rock spurs, with associated planting and fencing at 18 sites. Large wood material will be secured using cable secured with epoxy to drilled holes in ballast rock. Plantings of willow will be incorporated and disturbed soils will be grass seeded. The wood and rock material will be placed by an experienced operator under the supervision of a Biologist familiar with streambank restoration methods. Streambank prescriptions will vary according to site features and will be designed by the project Biologist who is very familiar with the river sites being restored, the techniques used and various sources of supporting technical expertise. The proposed works will we undertaken subject to permission from DFO and MOE Water Stewardship Division. Over the past 15 years local participation has been found to generate improved understanding of the values of healthy riparian and salmon habitat. Opportunities to teach by example will occur with local residents and landowners during the planning and construction stages of the projects, with many landowners working on their own sites as part of their cost share agreement.
Outcomes:
The proposed restoration activity will result in improved rearing and spawning habitat for coho, and other salmonids by contributing incrementally to reduced sediment loading, improved gravel condition (reduced embeddedness and compaction, improved interstitial spacing), improved riparian shading, moderated temperature, increased potential for benthic invertebrate production, more complex and functional bank and instream structure (such as pool and riffle development), reduced livestock impact such as riparian vegetation damage, bank trample and manure input, and improved cover for juveniles and returning spawners. Participation by local residents and landowners in the individual site projects will improve awareness and support for salmon habitat protection and enhancement.
See also:
srwr.ca
Final Results
The final report for the study is posted in the orange resource box to the right.
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