B.C’s pink sea urchins are on the move to shallower waters thanks to climate change
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Port Alberni, British Columbia, Canada |
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 per year as ocean warming reduces oxygen levels and food sources at lower depths.
