Often, these mutations are not helpful. But at times, they can enable populations to adapt to change. For example, golden kelp (Ecklonia radiata) likes colder water. But in a population, some ...

Meanwhile, on a rocky ledge 50 feet below, scientists from the ship watch pollacks, cod, and cunners feed among long ribbons of golden kelp. Matthew W. Chwastyk, NGM Staff Cashes Ledge is the ...

Credit: Jeff Maassen photo A new project is underway to restore kelp forests in the Santa Barbara Channel by removing sea urchins and selling them to restaurants or turning them into agricultural ...