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Your World Heritage...

A living museum

The Wet Tropics rainforests are a living museum of plants and animals. The rainforests are directly descended from the forests of  Pangaea and  Gondwana hundreds of millions of years ago. Plant and animal fossils tell us that Gondwana was once covered with lush forests like the Wet Tropics of today.

The closest relatives of some Wet Tropics plants and animals live as far as away as South America, Madagascar and New Caledonia! Isolated from the rest of the world, Australian animals and plants evolved differently to the rest of the world. Fossil pollens indicate that most of Australia was covered by closed forests some 50 to 100 million years ago.

As Australia split from Gondwana and moved north, the green rainforests were gradually replaced by forests adapted to dry conditions such as eucalypt forests. It was only along the north Queensland coast where regular rain and a humid  tropical climate allowed refugial pockets of rainforest to survive. These small green islands on high mountaintops developed their own unique plants and animals. In a wetter times the rainforests have expanded and evolved to fill new environmental niches.

Fifteen million years ago, after Australia had split from Gondwana and moved north adjacent to the Asian continental plate, the Wet Tropics flora and fauna mixed with some from Asia. This has also occurred more recently during ice ages when land bridges assisted wildlife movement.

Today, the Wet Tropics is a living museum of ancient and rare flora and fauna. Some plants, like Idiospermum australiense  were around when the dinosaurs roamed the earth and are in a family of their own. The rainforests contain a high representation of primitive flowering plants (see plant evolution). The Wet Tropics animals also include numerous endemic animals that evolved here in the rainforests over millenia (see animal evolution).

 

Evolutionary timeline

The Wet Tropics evolutionary timeline poster [1.6MB] gives a summary of plant and animal evolution over the ages. Click on it to enlarge.

 

News and Events

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News and Events

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Kids encouraged to get 'Wild' about art and environment

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Experts guide the guides at innovative tour school

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Call for community support in bid to squash yellow crazy ants

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