UAF's Peter Westley says the fish have long been occasionally observed and caught in Arctic Ocean waters, but their numbers appear to be increasing.
UAF associate professor Peter Westley holding spawning male chum salmon from the Anaktuvuk River in September 2023.
Last month, Westley lead a team that aerially surveyed two Colville River tributaries, the Anaktuvuk and the Itkillik, and counted about 100 chum salmon equally split between the two Arctic rivers. He says movement of a species farther north is a clear signal of climate change. “Being Yupik and from Bethel, I was really interested in this question about salmon, which are really important to me, maybe impacting other Indigenous ways of life and ecosystems,” she said.
Lindley says the impact of salmon sharing spawning grounds with Arctic char and Dolly Varden is among the unanswered questions.
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