Are kelp forests--such as corals, sea grasses and other key coastal ecosystem-forming species--in decline?

• Position: Science scene - Brief article

Are kelp forests--such as corals, sea grasses and other key coastal ecosystem-forming species--in decline? 'We were surprised to discover that, while one-third of the kelp regions for which we had data are in decline, one-quarter of them are increasing in size," says Jennifer Caselle, research biologist at the Marine Science Institute and lecturer in the Department of Ecology, Evolution, and Marine...