Researchers say it\u0027s an indication of how rapidly climate change is affecting ocean life. Read more.
Researchers at Memorial University, Ocean Networks Canada and the University of Victoria found the urchins, living as deep as 400 metres below, were expanding their populations into shallower water at an average rate of 3.5 metres a year as ocean warming reduces oxygen levels and food sources at lower depths.Start your day with a roundup of B.C.-focused news and opinion delivered straight to your inbox at 7 a.m., Monday to Friday.
“It’s almost like an indicator that things are changing rapidly and that matters for people, because that’s going to affect us, too,” he said.Article content They used data from both an Ocean Networks Canada observatory and the Federal Fisheries and Oceans trawl survey to collect information from about 400 metres deep, covering an area of 760 square kilometres.
Study co-author Fabio De Leo, who’s with UVic’s Oceans Network Canada, said warming from The Blob destroyed much of the kelp the urchins eat, causing their populations to drop off dramatically.Article content
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