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Report: Centennial Wetland Restoration FWCP COL-F17-W-1325
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This report provides a summary of the Centennial Wetland Restoration Project's
accomplishments and findings in 2016 and recommendations for next phases. This
project's goal is to enhance ecosystems and watershed functions by mitigating human
impacts, restoring natural hydrology and creating habitat for amphibian and flora
identified in the wetland area. .
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Author: E. Cameron
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Old Reference Number: COL-F17-W-1325
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Old Reference System: FWCP Fish Wildlife Compensation Program - Columbia
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Date Published: May 2017
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Report ID: 52626
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Audience: Government and Public
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This report provides a summary of the Centennial Wetland Restoration Project's
accomplishments and findings in 2016 and recommendations for next phases. This
project's goal is to enhance ecosystems and watershed functions by mitigating human
impacts, restoring natural hydrology and creating habitat for amphibian and flora
identified in the wetland area. By coordinating a site analysis and study of historic
disturbances and infrastructure, hydrology, flora and amphibian populations we have
been able to assess the optimal wetland restoration design for ecosystem function and
habitat conservation and enhancement.
Restoration works in 2016 were in a 1.8 acres/0.7 ha area with an additional 0.3
acre/0.1 ha area in the Bike Skills Park where erosion control with slope stabilization
structures, and invasive plant treatment works were completed. A new 0.3 mi/500 m
trail was constructed to route the public out of the wetland area, the historic trail route
and tire ruts deactivated with roughing and loosening techniques and the installation of
vertical grade control structures to mitigate head-cuts. We also removed fill and built a
wall and vegetated berms to set wetland boundaries at the Lion's Campground and to
direct Off Highway Vehicles (OHV) out of the wetland and onto the new trail. Two
groundwater wetland ponds were constructed, large woody debris was introduced
throughout the restoration area and two bat roosting houses were installed at the site
all to increase wildlife habitat. An interpretive sign, three trail signs and one wetland
boundary sign were installed.
The Historic disturbance and infrastructure study was researched using site air-photos
borrowed from the UBC Geographic Information Centre Air Photo Library and GIS and
historic maps and photos. Current air photos and infrastructure maps were provided by
the Rossland City Planner.
Flora inventories were conducted by Valerie Huff to identify native plant communities in
the area and conservation concerns including invasive and threatened or endangered
plant species. Key characteristics for each zone were noted, including soil drainage and
moisture, special natural features, and human disturbances methods to identify BEC
were utilized.
Statlu Environmental Consulting Ltd. (Statlu) conducted a hydrological assessment of
the Upper Trail Creek watershed to asses and describe conditions in spring of 2016.
For amphibian inventory methods used were Time Constrained Searches, also called a
Visual Encounter Survey, and Larval (Dipnet) Survey.
Wetland Restoration planning and construction techniques used were prescribed
methods from wetland restoration specialist Thomas Biebighauser.
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Report Type
Subject
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Region - Kootenay |
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Terrestrial Information - Restoration |
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