Who’s Eating all the Kelp: the sea urchin problem and how we solve it
Sea urchins have been around for millions of years, helping keep ocean ecosystems balanced by munching on algae. But something has shifted. Sea urchins have two main natural predators, the adorable sea otter and the striking sunflower sea star. But human activity during the 18th and 19th centuries caused a massive decline in sea otter numbers. And while some populations have recovered, many … Continued