Indian Ocean explorers set off on mission to scour the depths

World | 6 Mar 2019 7:21 pm

Scientists have set off early today on a mission to explore the depths of the Indian Ocean, one of the planet’s last great unexplored frontiers. Here’s a look at what the Nekton Mission hopes to achieve and why the people of the Seychelles, the first stop on this three-year expedition, are excited about its launch.

WHO’S ON BOARD?

The expedition is led by the Britain-based Nekton, an independent, non-profit research institute that works with the University of Oxford to increase scientific understanding of the oceans. It has chartered the Ocean Zephyr, a Danish-flagged supply ship, to explore the waters around the Seychelles, a collection of islands about 930 miles east of the African coast, over a seven-week period.

This is the first of a half-dozen regions the Nekton Mission plans to explore before the end of 2022, when scientists will present their research at a summit on the state of the Indian Ocean.

Along with 18 crew members there are 33 scientists, technicians and reporters on board.

The Associated Press is accompanying the expedition and will provide live underwater video from the dives, using new optical transmission technology to send footage from the submarines to the ship and from there, by satellite, to the world.

WHERE ARE THEY GOING?

Researchers have started by heading to the Farquhar Atoll, a group of islands about 480 miles southwest of the Seychelles capital, Victoria. Further stops include Aldabra, a coral atoll that’s home to a large population of giant tortoises and other vulnerable species.

Scientists will survey underwater life by diving into the "twilight zone” below depths of 98 feet that the tropical sun barely reaches. Using two crewed submarines and a remotely operated submersible they’ll be able to document organisms and habitats up to 1,640 feet deep, while sensors will offer a glimpse of depths of up to 6,560 feet.

"If you save the islands, you save everybody,” Ronny Jumeau, Seychelles’ ambassador to the United Nations, told the AP in explaining the importance of countering climate change. "If the islands go, every port city, major port city, will go. Every beach in the world will go, every river estuary will go. Every delta, the Nile Delta, the Mekong Delta, you name it.”

WHY THE EXCITEMENT?

The Nekton Mission has become the talk of the Seychelles, a nation of fewer than 100,000 people, since the Ocean Zephyr’s arrival last week.

The Seychelles government is developing what it calls a "Blue Economy” centered on the sustainable exploitation of ocean resources. So far the country has protected 15 percent of its ocean territory and has pledged to increase that to 30 percent by 2020.

Michelle Murray, chief executive of the Seychelles-based Island Conservation Society, called the expedition a once-in-a-lifetime opportunity.

"We’re the first to feel the true impact of sea level rise,” she said. "Climate change poses the biggest threat to our survival, to our existence as a nation.”

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