A meeting between a professor and a colleague last year led to a treasure trove of historical maps indicating kelp bed locations off British Columbia’s coast, helping experts understand the changes…
VICTORIA — A serendipitous meeting between a professor and a colleague last year led to a treasure trove of historical maps indicating kelp bed locations off British Columbia’s coast, helping experts understand the changes in the ocean’s rainforests.
“I started to look at the details and then I looked at the area that I know of kelp distribution because we are working there with the modern satellite,” she said. “And I looked at that and said, ‘this is kelp distribution.’ ” “Kelp was considered a navigational hazard so the British carefully annotated all kelp forests on their charts,” Costa said. “And the historical charts increase our understanding of kelp distribution over time.”Herring use the kelp beds as a deposit for their eggs, crabs, starfish and juvenile salmon also live in the forests, she said.“Kelp are the rainforests of the ocean. And they uptake a lot of carbon from the atmosphere of the ocean,” she said.
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