What is the Great Barrier Reef average elevation?
approximately 40m
The average sea bed level is approximately 40m. The highest point is 1,121m on Hinchinbrook Island. The Great Barrier Reef Marine Park Act 1975 applies to areas between 1,000m below the sea bed to 915m above sea level.
What is the range of coral reefs?
Coral reefs grow best in warm water (70–85° F or 21–29° C). Corals prefer clear and shallow water, where lots of sunlight filters through to their symbiotic algae. It is possible to find corals at depths of up to 300 feet (91 meters), but reef-building corals grow poorly below 60–90 feet (18–27 meters).
How much would a coral reef grow in 10 year?
With growth rates of 0.3 to 2 centimeters per year for massive corals, and up to 10 centimeters per year for branching corals, it can take up to 10,000 years for a coral reef to form from a group of larvae.
How far below sea level are coral reefs?
Effect of sea level change on coral reefs During periods of low sea level (i.e., glacial times or cold stadials), coral reefs form on the edge of continental or island shelves at 100 –140 m below the present sea level.
Is the Great Barrier Reef spiritual?
After the Reef formed, Aboriginal and Torres Strait Islander peoples cared for their Sea Country through interweaving their culture and spirituality with sustainable use of its resources….Traditional Owners of the Great Barrier Reef.
Name | Region |
---|---|
Murray Island (Mer) groups | Eastern Torres Strait Islands and Northern Great Barrier Reef region including Raine Island |
Is the Great Barrier Reef significant to Aboriginal people?
The Great Barrier Reef is important in the history and culture of Australia’s Aboriginal and Torres Strait Islander peoples. Animals such as dugongs and turtles have long been part of Aboriginal dreaming and are important in many aspects of Aboriginal and Torres Strait Island culture.