Great Barrier Reef at risk

Great Barrier Reef at risk

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With the Australian sun illuminating the crystal clear waters of the Great Barrier Reef in all their glory, UNESCO World Heritage delegates snorkelled for hours surrounded by manta rays, dolphins and reef sharks.

Their mission was to check the health of the world's largest living ecosystem, thousands of multi-coloured coral reefs stretching over 2,000 km off the northeast coast which bring in billions of dollars a year in tourism.

. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Some coral has been badly damaged and certain animal species, including dugong and large green turtles, are threatened.

. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

UNESCO will announce on Wednesday whether it’s going to place the reef - larger than the United Kingdom, Holland and Switzerland combined - on a list of endangered World Heritage sites. That’s a move the Australian government wants to avoid at all costs.

Such a listing could lead to restrictions on shipping and port expansion that could hit Australia's trade in commodities and energy.

Government ministers have been lobbying hard overseas, while the UNESCO delegates snorkelled in the least damaged area of the reef following a warning by the UN body that the reef risked a blacklisting.

. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray
"It's my belief, and it's the belief of many people, that the barrier reef has turned the corner and it's slowly improving."

Peter Gash, managing director of the Lady Elliot Island Eco-Resort on the southern end of the reef, hopes that it’s mission accomplished for the government.

"I have no doubt that they (UNESCO delegates) had a perception that the barrier reef was dead. That it was doomed, it was down, it was in a bad place," Gash said. “And that's not the case at all.”

. GLADSTONE, Australia. REUTERS/David Gray
A pile of processed metal sits near the Barney Point shipping port.

But not everyone is convinced. In 2010, a Chinese coal carrier ran aground on the reef, provoking an international outcry.

Since then, there has been renewed concern about development, particularly coal mining in the northeastern state of Queensland and shipping.

. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Greenpeace said 50 percent of the reef's coral cover had been lost in the last 30 years. Earlier this year, UNESCO said the reef's outlook was "poor".

UN delegates spent the bulk of their visit to Queensland hearing detailed scientific rundowns on the reef, the government said.

Locals said the visitors spent a lot of time cavorting with the animals at one of the few remaining unspoiled stretches of the reef.

Felicity Wishart, Great Barrier Reef campaign director at the Australian Marine Conservation Society, has no doubt why Lady Elliot Island was chosen for the field trip.

"It's one of the most stunning islands in the reef system. It's also in the outer reef ... So it's about as far east of the coastline that you can get," she said, pointing out that most damage is done closer to the mainland.

. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray
An aerial view of Lady Elliot Island.

Wishart pointed to a 2014 report released by the Great Barrier Marine Park Authority, in which major questions were raised about the reef's future.

"There is no doubt that the reef is still in serious environmental danger," she said.

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Slideshow

Pilot John Peaker prepares to land on Lady Elliot Island.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Pilot John Peaker prepares to land on Lady Elliot Island.

Tourists prepare to board a boat to snorkel in the 'Coral Gardens.’
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Tourists prepare to board a boat to snorkel in the 'Coral Gardens.’

Tourists look through a glass-bottomed boat above the 'Coral Gardens.’
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Tourists look through a glass-bottomed boat above the 'Coral Gardens.’

A tourist snorkels in the clear blue waters.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

A tourist snorkels in the clear blue waters.

Tourists walk from a boat after going diving.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Tourists walk from a boat after going diving.

A reef shell lies on a beach.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

A reef shell lies on a beach.

Small bushes grow on a coral beach.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Small bushes grow on a coral beach.

Dried coral and shells lie on a beach.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

Dried coral and shells lie on a beach.

Port workers load a ship with coal at the RG Tanna Coal Terminal.
. GLADSTONE, Australia. REUTERS/David Gray

Port workers load a ship with coal at the RG Tanna Coal Terminal.

A ship is loaded with coal at the RG Tanna Coal Terminal.
. GLADSTONE, Australia. REUTERS/David Gray

A ship is loaded with coal at the RG Tanna Coal Terminal.

The Milky Way is seen in the sky at night.
. LADY ELLIOT ISLAND, Australia. REUTERS/David Gray

The Milky Way is seen in the sky at night.