In 2013, California began removing millions of purple urchins from barren reefs; seven years later, more than 55 acres of kelp forest had returned

In 2013, California began removing millions of purple urchins from barren reefs; seven years later, more than 55 acres of kelp forest had returned

Kelp forests are among the most productive ecosystems in the ocean. They provide habitat for fish and invertebrates while supporting marine mammals and other wildlife. [Photo credit: Enric Sala, National Geographic] Beneath the waves off Southern California, a once-lush underwater forest had been reduced to something resembling a desert. Kelp that had provided shelter and … Read more