Please enable JavaScript.
Coggle requires JavaScript to display documents.
GREAT BARRIER REEF - Coggle Diagram
GREAT BARRIER REEF
-
-
-
-
-
-
-
Around 10,000 whales visit each year to find some warm weather to breed and give birth in
-
-
Coral reefs are animals, not plants
-
Coral reefs grow in shallow, clean ocean waters on either side of the Equator, because they need sunlight and warm temperatures all year to survive.
Coral have growth rings, just like trees
-
-
-
It is 327,800 km² big and 2600 km long
The biggest threat to the Great Barrier Reef today is coral bleaching caused by high sea water temperatures as a result of global warming
-
Coral can not grow if the water is too deep (150 metres or more) because it needs light from the sun. They cannot grow out of the water (above sea level).
Six species of sea turtles come to the reef to breed. These are the green sea turtle, leatherback sea turtle, hawksbill turtle, loggerhead sea turtle, flatback turtle, and the olive ridley.
Saltwater Crocodiles live in mangrove and salt marshes on the coast near the reef. No crocodile nests have been found on the reef.
Around 125 species of shark, stingray, skates or chimaera live on the reef
-
-
The islands of the Great Barrier Reef have 2,195 known plant species
Four hundred species of corals, both hard corals and soft corals live on the reef. Most of these spawn, releasing thousands of eggs, in huge events