Complex sentence: The National Oceangraphic and Atmospheric Administration (NOAA) has developed and tested several ecological methods to restore this coral, including removing coral predators and reintroducing herbivores to the ecosystems to feed on harmful algae that grow on the coral.
Split into simpler sentences: The National Oceangraphic and Atmospheric Administration (NOAA) has developed and tested several ecological methods to restore this coral. These methods include removing coral predators and reintroducing herbivores to the ecosystems to feed on harmful algae that grows on the coral.