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February 7, 2019

Watch: Upwelling is the secret ingredient to productive oceans

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School of Pacific sardines in kelp forest, Catalina Island, California.

 

Wind and ocean currents work together in upwelling, the phenomenon of cold, nutrient-packed water pushing to the surface. It forms the basis of the ocean’s food chain that attracts marine life from dolphins to seabirds, while creating incredibly robust fishing grounds.

This blog was originally posted on Oceana.org.