The rich resources of Pacific kelp forests helped humans populate the Americas. Now depleted by as much as 95 percent, they need our help to recover.

sea urchin populations mushroomed, overtaking kelp forests. He concluded the small mammals were integral to maintaining harmony in coastal reef ecosystems: by feeding on sea urchins, they in turn ...

A study last year strengthened the link between recovering sea otter populations and the long-term health of kelp forests – the towering brown algae that provide food and shelter for thousands of ...

A group of microscopic sunflower sea star larva arrived at Shedd Aquarium last year and have been bulking up behind the ...

When left uncontrolled, sea urchins can decimate vast areas of kelp, converting vibrant forests into barren seascapes known as “urchin barrens.” Purple Sea Urchin, strongylocentrotus purpuratus, ...