Annonce

Australien

Ribbon weed, Posidonia australis, meadow in Shark Bay, Western Australia
Ribbon weed, Posidonia australis, meadow in Shark Bay, Western Australia

En enkelt ålegræs plante dækker 180km

Large, perennial, seagrass meadows of the Poseidon’s ribbon weed and the wire weed (Amphibolis antarctica) dominate much of the marine ecosystem in the UNESCO World Heritage Site of Shark Bay, Australia.

Two years ago, scientists discovered some of the seagrass there was a clone of a Poseidon’s ribbon weed (Posidonia australis) that had 40 chromosomes instead of the typical 20. They think half those chromosomes may come from the ribbon weed and half from an unknown species.

Australia: Victoria's Secret

“You can dive in Melbourne?” was the baffled response from a Queensland hotel concierge upon telling her I was heading to Victoria to dive. And this was from an Australian who WAS a diver! When overseas visitors think of Australia, the Great Barrier Reef immediately comes to mind. However, Australian diving is not just about coral. Along the continent’s southern coast is an undersea world far removed from the tropics.