CORALS could suffer from the effects of global warming even more than we thought.
Coral reefs worldwide have been decimated by bleaching events. These happen when small changes in water temperature cause the animals to expel algae, which usually supply nutrients. Then, in 2004, several studies offered hope that some corals could adapt to temperature rises by taking on new types of algae.
However, when Tamar Goulet of the University of Mississippi, scoured studies for data on 442 coral species, she found that 77 per cent host only one type of alga (Marine Ecology Progress Series, vol 321, p…
