To accomplish this, Richard and his team had to recreate perfect conditions for coral growth.

It has some hard and soft coral growth, many shells and variety of fish.

There's been time for a long slow coral growth and it doesn't quite tie in.

The thickness of coral growth on the spaceship suggests that it has been there for almost 300 years.

They assume, due to the years of coral growth and advanced technology, that the craft is from the future.

Without their symbionts, coral growth would be too slow to form significant reef structures.

Land clearing and settlement in the catchment has led to unfavourable conditions for coral growth.

Climate change is expected to raise sea levels and produce warmer waters that will aid coral growth in the bay.

We can estimate the date from coral growth with great accuracy.

The ideal temperature for coral growth is in the mid-70's.