31 May '16, 2pm

Great Barrier Reef near Whitsunday Islands

Great Barrier Reef near Whitsunday Islands

An astronaut aboard the International Space Station used a powerful lens to photograph these three reefs in Australia’s Great Barrier Reef. The photo area spans about 15 kilometers (10 miles) of the 2300-kilometer (1,700 mile) reef system. Reefs are easy to spot from space because the iridescent blues of shallow lagoons contrast sharply with the dark blues of deep water. The Great Barrier Reef is the largest reef system on Earth, with more than 3,000 separate reefs and coral cays. It is also one of the most complex natural ecosystems, with 600 types of corals and thousands of animal species from tiny planktons to whales. Corals look like plants, but are in fact colonies of very small animals known as coral polyps—closely related to jellyfish. The color differences in the photo relate to different habitats for coral growth; that is, the habitats strongly relate to two sourc...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=88109&s...

Tweets

35% of Northern and Central Great Barrier Reef ...

ecowatch.com 31 May '16, 1pm

Bleached mature staghorn coral in February 2016 at Lizard Island, Great Barrier Reef. It was dead and overgrown by algae b...

35% of Australia’s #GreatBarrierReef coral dead or dying due to global warming: Scientists https://t.co/AeKPKkgiRe

35% of Australia’s #GreatBarrierReef coral dead...

channelnewsasia.com 30 May '16, 1pm

SYDNEY: At least 35 per cent of corals in parts of Australia's Great Barrier Reef are dead or dying from mass bleaching ca...

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Your browser is severely outdated and is not supported by Afternic's advanced functionality. Please upgrade or change to a...

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