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

Meanwhile, in Central California, with the presence of otters, kelp forests have increased by 56 percent. ... the red sea urchin commercial fishery is a big part of many livelihoods.

Sea otters are keystone species in kelp forests. Kelp forests rely on the top-down pressure sea otters exert via predation on sea urchins. By controlling the sea urchin population, they help ...

More sea otters, more kelp. The study looked at changes to the kelp canopy from 1910 to 2016. ... Where sea otters are absent, kelp forests have declined dramatically. In fact, ...

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

Meanwhile, in Central California, with the presence of otters, kelp forests have increased by 56 percent. ... the red sea urchin commercial fishery is a big part of many livelihoods.

Sea otters, which hunt shellfish, crab and kelp-devouring sea urchins, are at the top of the kelp-forest food chain. Without otters, those ecosystems have been slowly degrading, and in 2013 they ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins. But ...

Sea otters rely on kelp in the ocean to provide shelter and sustenance. The marine mammals also help to restore kelp forests, controlling populations of sea urchins that devour the algae.

"Where sea otters are absent, kelp forests have declined dramatically. In fact, we found sea otter population density as the strongest predictor of change in kelp canopy coverage across this ...

Meanwhile, in Central California, with the presence of otters, kelp forests have increased by 56 percent. ... the red sea urchin commercial fishery is a big part of many livelihoods.

Meanwhile, in Central California, with the presence of otters, kelp forests have increased by 56 percent. ... the red sea urchin commercial fishery is a big part of many livelihoods.