Kwoiek Creek Resources Limited Partnership and Innergex Renewable Energy
Kwoiek Creek, British Columbia
Fisheries Engineering and Ecohydraulics
Kwoiek Creek Resources Limited Partnership and Innergex Renewable Energy
Kwoiek Creek, British Columbia
Fisheries Engineering and Ecohydraulics
Kwoiek Creek is a tributary to the Fraser River near Lytton, BC. Past logging practices and recent forest fires have caused increased surface erosion and sediment delivery to the creek, which has affected rearing habitat for rainbow trout and bull trout. NHC used available habitat suitability curve data to determine optimum conditions for rearing, which included channel hydraulics, cover and channel complexity created by substrate and wood, and instream and overhead structures in the form of wood or vegetation, and substrate void space. Riffles and drops were constructed along the channel to control the slope. Compensatory spawning habitats were integrated into the habitat compensation project in key pool and alcove tail-out areas based on flow rates and ecohydraulic design criteria. Spawning areas on either side of the riffles were constructed of screened and graded alluvial gravels.