Lead author Sam Wilson said that as climate change continues the two will match less and less, putting salmon survival at risk.
“The coastal ocean is changing in one way and Pacific salmon are changing in a myriad of other ways and those ways don’t always align,” said Wilson, a post-doctoral researcher in theNumerous species of Pacific salmon are at risk or even endangered for several reasons, including overharvesting and lack of habitat protections. Wilson suggests the response by the young salmon may be a coping mechanism that helps them survive and reinforces the need to protect biodiversity.
On average, fish are still managing to find the plankton they need, Wilson said, but climate change means they’ll be matching up with the blooms less and less. “So, they might say, Chilko sockeye are not changing their migration timing so we don’t have to worry about it. Let’s move on to the next topic,” she said.Sign up for the CHEK Now daily email newsletter to get breaking news and the day's top stories sent to your email.The study’s authors recommend avoiding a “one-size-fits-all approach” to management, she said.
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