Of sharks and shellfish

My latest article at National Geographic News features a study just out that reveals how shark declines in the North Atlantic are triggering a wave of disruption through the marine food web, ending in the collapse of shellfish stocks. The study, which appears in this week’s issue of the journal Science, is the first ever demonstration of how wiping out top-level predators causes impacts that cascade down through the rest of the food web…

Read the whole National Geographic article here.

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