In Northern California, purple sea urchins are decimating kelp forests. Though the species of urchin causing problems may vary by region, the damage is the same. NNehring/iStock This article is from ...

Just by eating sea urchins and destructive shellfish, sea otters are keeping kelp forests healthy and coastal erosion at bay.

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

The sunflower sea star can be found throughout intertidal and subtidal coastal waters of the northeast Pacific Ocean, from Alaska to at least northern Baja California, Mexico. Sea urchins appear to ...

Sea urchins are devouring California’s coastal kelp faster than it can reproduce, researchers said. Photo by Portuguese Gravity on Unsplash California scientists are declaring war on sea urchins. The ...

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SANTA CRUZ — To underscore the urgency of responding to the steep decline in kelp forests, filmmaker Natasha Benjamin posits an alarming hypothetical: what if 95% of California’s redwoods were to ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers examining a century of ocean maps made an exciting discovery linking sea otter populations to kelp forests: Where sea ...

MONTEREY — Within the last century, the recovery of southern sea otters, the unofficial mascot of Central California, has contributed to the health of California’s underwater forests according to a ...