Images of Biorock and other coral reef Restoration projects, Bali and the Gili Islands, Indonesia.
The Biorock process was developed by Thomas Goreau and Wolf Hilbertz in the 1970's. Electricity is used to promote the deposition of calcium carbonate, and to a lesser extent magnesium hydroxide, which build up on the surface of the cathode. Hard corals quickly bond to this material and the process is thought to accelerate coral growth by up to four times. The resulting 'reef' of hard...more »