A kelp forest restoration project conducted by Ålesund, Norway-based ocean technology and seafood firm Ava Ocean is using ...

Kelp forests are underwater thickets of algae that keep the world’s oceans rich with biodiversity. And scientists just ...

Purple sea urchins have eaten 95 percent of the underwater forests along California’s Mendocino Coast. Here's how you can help.

Sea stars able to consume kelp-eating urchins fast enough to protect kelp forests, research shows Date: February 22, 2023 Source: Oregon State University Summary: Researchers have provided the ...

Lab experiments showed that sea stars, known scientifically as Pycnopodia helianthoides, consume urchins at rates sufficient to maintain and perhaps reset the health of kelp forests.

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star.

Sunflower sea stars — recently decimated from the ocean off western Mexico, California, Oregon and Washington — are like wolves of the kelp forest, eating sea urchins that will overgraze if ...

From the coast of Southern Africa to Southern Alaska, sea urchins and kelp coexist peacefully — until they don’t. In recent decades, more and more kelp forests have been razed by the hungry urchins.

Sea urchins eat kelp, and the explosion in their population greatly diminished kelp forests, which provide critical habitat and nutrition for countless marine species.

Lab experiments showed that sea stars, known scientifically as Pycnopodia helianthoides, consume urchins at rates sufficient to maintain and perhaps reset the health of kelp forests.