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Author: Alexandra Dempsey

Science divers survey the underwater landscape under Tinakula, barren from the most recent eruption.

Diving on an Active Volcano

Between October 26, 2014, and November 24, 2014, the Khaled bin Sultan Living Oceans Foundation conducted a coral reef research, outreach, and education mission to map and characterize the shallow marine habitats and assess the status of coral reefs and

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The Red Reefs of Prony Bay

One of the most interesting locations we visited in New Caledonia was Prony Bay. Prony Bay is located at the southern end of Grande Terre at the base of a large nickel mining operation. The towering red-tinged mountains in the

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A scientist on the GRE conducts a benthic survey

Making the Grade: How we grade coral reefs

The Khaled bin Sultan Living Oceans Foundation recently published our findings on the health and resilience of the coral reefs in the Kingdom of Tonga. The report includes a unique grading scale we developed to indicate the relative health and

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Managing a COTS Outbreak

Best Management Practices Crown-of-thorns starfish (COTS) are naturally occurring organisms on the reefs of the Indo-Pacific Ocean that primarily eat coral. Finding a few COTS living on a coral reef is a normal and healthy part of the coral reef

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Collecting Starfish Maldives

Collecting Starfish from Sunrise ‘til Sunset

Expedition Log: Maldives – Day 5 The Living Oceans Foundation SCAR (Starfish Control and Removal) team is working at the Gili Lankanfushi atoll with other marine biologists from the Gili Lankanfushi resort. They have asked for our help removing and

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Working at Sea (The Daily Grind)

The Daily Grind

Expedition Log: BIOT – Day 21 Working at sea aboard the M/Y Golden Shadow, my day starts at 6:00am with a strong cup of coffee. The sun is just rising, and so is the rest of the dive team. The

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It’s not just Sand

Collecting and analyzing sediments is a key procedure in the field of Marine Geology. It may seem trivial to give so much attention to “sand”; however, the trained sedimentologist can learn a lot from a sample of ‘sand’, or sediment.

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Investigating the Reef Slope

For the last week, the Global Reef Expedition scientists have been diving and surveying the leeward side of fore reefs around Raiatea, French Polynesia, focusing their efforts on the reef slope. This particular reef community changes its structure along a

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