This is a very interesting article on a new procedure to grow and transplant Elkhorn coral to the world's reefs.
Instead of fragging and growing in a nursery, they collect the gametes and let them grow "naturally" which allows new DNA strains.
Artificial Insemination for Coral Reefs • Scuba Diver Life
Instead of fragging and growing in a nursery, they collect the gametes and let them grow "naturally" which allows new DNA strains.
Artificial Insemination for Coral Reefs • Scuba Diver Life