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

Sea Otters were successfully reintroduced in Canada after their extinction due to fur trade, protecting the kelp populations; but now they are threatening a ‘local delicacy’

Sea Otters were successfully reintroduced in Canada after their extinction due to fur trade, protecting the kelp populations; but now they are threatening a 'local delicacy'

The reintroduction and success of sea otters in British Columbia was a story that initially satisfied everyone including conservationists and the natives. The adorable creatures once occupied much of Canada’s Pacific coast, before the fur trade for their exceptionally dense coats turned into a mass death sentence. But now, their population is threatening the availability … Read more

More than 99% of California’s sunflower sea stars vanished, now scientists have found a mysterious colony that could help revive dying kelp forests

More than 99% of California’s sunflower sea stars vanished, now scientists have found a mysterious colony that could help revive dying kelp forests

A decade ago, more than 99% of sunflower sea stars vanished from the depths of the ocean. Now, the discovery of a long-lost colony of these organisms is offering new hope for the region’s kelp forests.Sunflower sea stars, known as Pycnopodia helianthoides, may look like an aesthetic and purely decorative feature on the ocean floor, … Read more