At present, the rise of sea water temperature has triggered a series of bleaching events  Researchers are very worried about the fate of global corals  Researchers have found that zooxanthellae can use photosynthesis to produce nutrients required by themselves and their hosts  When the high temperature sea water causes coral reefs to discharge symbiotic algae called zooxanthellae, corals that lose color algae gradually turn white, and albinism occurs
If albinism continues, the only thing waiting for the coral reef is death
Global warming has led to the calcification of offshore coral reef systems more and more slowly.