So when reefs are preserved, the fishing industry is safeguarded, and with it a great source of food for us as well as the livelihoods of fishermen. Reefs attract tourists. As tourism can be a huge and lucrative industry, a healthy coral reef will attract scuba divers and snorkellers from around the world. Reefs protect our shorelines. Coral reefs also protect our shorelines from the erosive power of storms and waves by acting as a natural barrier.
Reefs save lives .
Scientists and researchers are increasingly looking to the oceans in search of new drugs and other medical po ssibilities. According to one estimate, half of all new cancer research now focuses on marine organisms. For instance, chemicals from sponges were used in a new drug to fight against herpes and certain cancers. Reefs preserve biodiversity. Coral reefs are the most diverse of all marine ecosystems.