Why is Macquarie Island so special?

Criterion (viii): Macquarie Island and its outlying islets are geologically unique in being the only place on earth where rocks from the earth's mantle are being actively exposed above sea level.

What makes Macquarie Island unique?

It is the only island in the world composed entirely of oceanic crust and rocks from the mantle, deep below the earth's surface. Macquarie Island probably began as a spreading ridge under the sea with the formation of new oceanic crust somewhere between 11 and 30 million years ago.

What is found on Macquarie Island?

Mammals found on the island include subantarctic fur seals, Antarctic fur seals, New Zealand fur seals and southern elephant seals – over 80,000 individuals of this species.

Why do we need to save Macquarie Island?

The Federal Macquarie Island Marine Park was declared in 1999. Covering more than 16 million hectares, it was declared to protect the habitat of threatened species such as the royal and southern rockhopper penguins, the subantarctic fur seal, southern elephant seal and five species of albatross.

Who owns Macquarie Island?

Macquarie Island, the adjacent islets of Judge and Clerk and Bishop and Clerk, and all surrounding waters out to three nautical miles, is managed as a nature reserve by the Tasmanian Parks and Wildlife Service (PWS).

Macquarie Island Problem - Behind the News

How did rabbits get on Macquarie Island?

Rabbit and rodent invasion

European rabbits were introduced to Macquarie Island in the 1870s, while ship rats and house mice were first recorded on the island in the 1890s. Following the eradication of feral cats in 2000, rabbits and rodents became the dominant pest species on the island.

How did cats get Macquarie Island?

Cats were introduced to the Macquarie Island in 1818; sealers introduced rabbits 60 years later. The rabbits tore through the island's vegetation.

When was Macquarie Island discovered?

Macquarie Island. Macquarie Island was accidentally discovered in 1810 by Frederick Hasselburg, who recorded an earlier shipwreck.

Who first discovered Macquarie Island?

Macquarie Island was discovered in 1810 by a sealer named Frederick Hasselburg. He found it by accident while searching for new sealing grounds. It lies 1552 kilometres south-east of Hobart.

What penguins live on Macquarie Island?

Royal penguins are endemic to Macquarie Island where the vast majority lives, and the nearby Bishop and Clerk Islets where about 1,000 pairs breed. Royals at Macquarie Island live in very large colonies. The largest colony at Hurd Point on Macquarie Island has around 500,000 pairs.

What animals are found on Macquarie Island?

Despite its tiny size and extreme topography, the island supports a thriving populous of Elephant Seals, Fur Seals, Royal, King, Gentoo and Rockhopper Penguins, Wandering Albatross and Giant Petrels, as well as numerous other seabirds and marine animals.

How many animals live on Macquarie?

There are 299 native invertebrate species known on Macquarie Island, with 18 non-native invertebrates also established on the island. The study is surveying the invertebrates, over three consecutive summers, covering a range of plant communities and habitats which were impacted by rabbit grazing to varying degrees.

Can you visit Macquarie Island?

You can only visit Macquarie Island on a small ship expedition cruise, so, sharing an onboard home with up to 50 other passengers, hopping on and off to explore unfamiliar surrounds, you'll need your sea legs.

What is Penguin oil used for?

Feathers were used for clothing decorations and as mattress stuffing. The extraction of oil from penguins' fat layers became economically important in the 1800s and early 1900s. Oil was used for lighting, tanning leather, and fuel.

What Flora is on Macquarie Island?

All of the vegetation of Macquarie Island is herbaceous, with no woody species present. Megaherbs are a distinctive and unique feature of the sub-Antarctic, occurring nowhere else in Tasmania. There are two megaherbs on Macquarie Island – Stilbocarpa polaris (Macquarie Island cabbage) and Pleurophyllum hookeri.

Are there any rabbits on Macquarie Island?

The eradication of rabbits from Macquarie Island has led to a rapid recovery of vegetation on albatross breeding colony slopes, with early improvements in the birds' reproductive ability, and lessons for future conservation measures.

What did the Europeans do on Macquarie Island?

The Macquarie Island expedition also established the first radio link between Australia and Antarctica by setting up a radio relay station on Wireless Hill. This station could communicate with both Mawson's main expedition group at Commonwealth Bay, and Australia.

What unintended consequence occurred on Macquarie Island?

Though their presence to the island was entirely unintentional, the trouble the unchecked rodent population caused on the island (eating human food stores) led to the deliberate introduction of cats, brought to protect the human food supply from all of the rats.

What did cats do Macquarie Island?

At their height it is estimated feral cats were killing 60,000 seabirds a year. The cats were finally vanquished from the island in 2000, but not before they had helped drive two native bird sub-species into extinction – the Macquarie Island parakeet and the Macquarie Island rail.

Is Macquarie Island pest free?

The World Heritage-listed Macquarie Island has been declared free of pests after a near seven-year campaign to eradicate it of rats, rabbits and mice. Macquarie Island lies 1,500 kilometres south-east of Tasmania in the sub-Antarctic.

Does Macquarie Island have snow?

Rain and snow are frequent, with only a few days each year with no precipitation. Days can be quite sunny in December and January but the winter months are generally cloudy.

Is Tasmania close to Antarctica?

Tasmania is located around 5369 KM away from Antarctica so if you travel at the consistent speed of 50 KM per hour you can reach Antarctica in 107.39 hours.

Who owns Campbell Island?

The Campbell Islands (or Campbell Island Group) are a group of subantarctic islands, belonging to New Zealand. They lie about 600 km south of Stewart Island.

What's the closest Island to Antarctica?

Bouvet Island is the most remote island in the world. The closest land is Queen Maud Land of Antarctica, which is 1,700 kilometres (1,100 mi) to the south, and Gough Island, 1,600 kilometres (990 mi) to the north.

Where do Macaroni penguins live?

The macaroni penguin is a large species, found in the Sub-Antarctic and Antarctic Peninsula.