In 2019, researchers found a forest of bull kelp growing on a deep reef that had been a sea urchin barren the previous year. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...

Fueled by a marine heat wave that year that scientists dubbed "the blob," and key predators absent, urchins devoured more than 90% of bull kelp forests in Northern California. South of the San ...

OAKLAND, Calif.— The Center for Biological Diversity petitioned NOAA Fisheries today to grant Endangered Species Act protection to bull kelp, which faces grave threats from climate change and coastal ...