reef systems

      By April J Burt, University of Oxford and Noam Vogt-Vincent, University of Hawaii     The Seychelles archipelago of 115 islands stretches across a vast area of the western Indian Ocean. Each island is fringed by coral reefs. Coral reefs are formed by colonies of invertebrate animals that build hard skeletons and grow in a myriad of forms. These complex tropical reefs support a third of all […]