The first survey of Florida’s reefs after an ‘apocalyptic’ marine heat wave offers a bleak picture of the future of the state’s renowned corals — and the restoration efforts to save them. Scientists with NOAA’s Mission: Iconic Reefs program visited five reefs throughout the Florida Keys on Thursday to check on the health of the nursery-raised and transplanted corals researchers installed there over the last few years. They found coral graveyards. It’s a major setback to one of the most promising solutions to Florida’s declining reefs — replanting infant coral fragments — and could represent a …