Kelp is a keystone in the ocean ecosystem. It's not entirely clear why the urchins have taken over, but there's optimism that the kelp devastation is temporary.
Copyright 2018 KQED
Kelp is a keystone in the ocean ecosystem. It's not entirely clear why the urchins have taken over, but there's optimism that the kelp devastation is temporary.
Copyright 2018 KQED