According to a 2012 study by the National Academy of Science, since 1985, the Great Barrier Reef has lost more than half of its corals with two-thirds of the loss occurring from 1998 due to the factors listed before.
根据一项美国国家科学院的研究，自从1985年来，大堡礁已经因为上述危害因素损失了超过一半的珊瑚礁，其中三分之二的损失是发生在1998年以后。