coral reefs are being damaged or destroyed by all the following except. More than 60% of coral in reefs in the Maldives has been hit by “bleaching” as the world is gripped by record temperatures in 2016, a scientific survey suggests. A recent study in the journal Science Advances analyzed maps of the Florida Keys dating to the 18th century that noted the locations of coral reefs, … 19. The resiliency of the reefs is on our side, though. The value of coral reefs has been estimated at 30 billion U.S. dollars and perhaps as much as 172 billion U.S. dollars each year, providing food, protection of shorelines, jobs based on tourism, and even medicines. A major survey of the coral reefs of the Caribbean is expected to reveal the extent to which one of the world's biggest and most important reserves of coral has been degraded by … providing significant oxygen. The decline of coral reefs has been well documented, reef by reef. A study completed in 2004 found that seventy percent of our coral reefs are already destroyed or currently under threat of destruction. Read the excerpt from "Save the Coral Reefs." Coral reefs are also very important to people. In fact, there’s been a 30 percent increase in the area of threatened reefs. underfishing. The Status of Coral Reefs Around the World, 2004 notes that: 20% of the world’s coral reefs have been effectively destroyed and show no immediate prospects of recovery; Coral reefs aren’t just beautiful underwater fixtures that make the ocean more colorful and vibrant—they’re integral to the survival of many species of marine life. although only a small percentage of the ocean floor, coral reefs provide all the following benefits except. Oceans have warmed because of climate change, and that’s caused devastating coral … It also concluded that much of the wreckage to reefs has been caused by humans. 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