Natural accumulation of sediment is expected to restore the salmon habitat in Stewart Creek: scientists
Work on a Trans Mountain pipeline crossing in a Chilliwack stream altered habitat for young salmon, but the creek is expected to return to normal in one to two years, says Fisheries and Oceans Canada.
“The stream bed in the vicinity of the works has been altered from soft sediment bottom to hard substrate as a result of the placement of the concrete articulated matting for protection of the pipeline,” it said in a statement. “The standard of work there is low, very low, in terms of habitat,” Pearson said. “The cumulative effects of hundreds and hundreds of these is not trivial.”
“Habitat is about a lot more than sediment,” Pearson added. “There’s no cover. The banks are peeled back with concrete going right up the banks. The sediment is not what I would be most fixated on.” “Trans Mountain relies upon highly qualified professionals to design and implement solutions that are effective and compliant,” it said. “From an engineering and habitat perspective the Stewart Slough crossing is functioning as designed.”
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