Coral reefs are extensively distributed in shallow waters of tropical and subtropical regions,and they are recognized as the natural barriers along coastlines.In recent years,due to the impacts of global climate change and human activities,coral reefs worldwide have bee...MORE Coral reefs are extensively distributed in shallow waters of tropical and subtropical regions,and they are recognized as the natural barriers along coastlines.In recent years,due to the impacts of global climate change and human activities,coral reefs worldwide have been ...