Massive landslide on B.C. coast imperils dwindling salmon stocks, says First Nations chief

An enormous landslide that tore through a remote valley in B.C.’s Central Coast region and spilled into Bute Inlet in November has put the beleaguered salmon stocks in the area at further risk, according to the elected chief of the local First Nation.

Homalco First Nation Chief Darren Blaney is planning to visit the slide area — about 115 kilometres north of Powell River, and about 300 kilometres northwest of Vancouver — by helicopter on Wednesday, but he told CBC News it’s clear from photos that the slide was extremely destructive, pushing boulders down the valley and crushing dislodged trees.

Blaney said the effects on chum, coho and pink salmon would add to the already dwindling stocks seen in recent years.

“As the salmon stocks continue to decline, we’re getting concerned about food security,” he said. “Our chum stocks have declined. A year ago we only got 1,200 of our 4,000 allocation of chum and our chum stocks have been getting less and less reliable.”

Watch | Helicopter pilot documents the magnitude of the debris field:

Helicopter pilot discovers ‘massive’ landslide on B.C.’s Central Coast


2 days agoVideo


Helicopter pilot Bastian Fleury flew to B.C.’s Southgate River on Dec. 10, 2020, to investigate why trees and logs were floating down the nearby Bute Inlet. The pilot found evidence of a massive landslide that had carved the creek bed into a canyon.0:52

Homalco First Nation’s unceded territory extends from Campbell River on Vancouver Island across the Discovery Islands, and up Bute Inlet on the mainland to the Homathco Icefield.

Scientists believe the Nov. 28 landslide began in the Coast Mountains, when an initial outflow into a glacial lake caused a huge wave, which then caused an outburst flood sending millions of cubic metres of mud and debris into Elliot Creek, then Southgate River, and finally into Bute Inlet and the ocean.

When Blaney saw images of the damage, his first thought was the salmon; there would have been eggs in the gravel spawning grounds in the river.

“It’s one of our more productive river systems … for chum, and coho and pinks as well, so it’s a big loss for us,” he said. “I’m not sure what kind of spawning beds will be left.”

But the effects of the landslide aren’t his only concern for wild salmon.

Blaney said his nation is also consulting with Department of Fisheries and Oceans officials on the effect of salmon farms in the Discovery Islands and he’s concerned about a problem with sea lice.

But he said with the type of support federal officials have shown in the case of the Big Bar landslide that obstructed salmon runs in the Fraser River, the Southgate River salmon can be saved.

“I think it’s going to take quite a few years to rebuild it,” he said. “The salmon, given the chance, are pretty resilient.”

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