Articles on Coral reefs

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The increasingly bleached coral at Black Point on the Cobourg Peninsula is a worrying sign of what’s to come for other coral reefs in Australia. Alan Withers

New coral bleaching outbreak in NT a worrying sign of our warming oceans

Coral bleaching has struck the Northern Territory, adding urgency to the need for better national management strategies for our warming oceans.
Researchers studied reef sands at Heron Island, Hawaii, Bermuda and Tetiaroa. In this photo, white areas show the predominance of sand on reefs. Southern Cross University

Our acid oceans will dissolve coral reef sands within decades

Ocean acidification poses an increasing threat to the sediments that form the framework of coral reefs - within around 30 years, these carbonate sands may no longer be able to form.
Social media posts, such as this image uploaded to Flickr, can be repurposed for reef health monitoring. Sarah Ackerman/Flickr/Wikimedia Commons

Tweet streams: how social media can help keep tabs on ecosystems’ health

Mining social media posts from tourism hotspots such as coral reefs could turn tourists into environmental citizen scientists without them even realising it.
Dozens of reefs around the world have bleached in the past three years, of which the Great Barrier Reef was merely the most high-profile. AAP Image/WWF AUSTRALIA, BIOPIXEL

The UN is slowly warming to the task of protecting World Heritage sites from climate change

Amid fears for the world's coral reefs, the UN World Heritage Committee has issued its most wide-ranging statement so far on protecting heritage sites from climate. But the problem doesn't end there.
The southern Great Barrier Reef escaped both of the recent mass bleaching events. But time is running out. AAP Image/ARC Centre of Excellence for Coral Reef Studies, Tory Chase

The world’s coral reefs are in trouble, but don’t give up on them yet

Tropical coral reefs can be saved from climate change and other pressures, but the window of opportunity is closing. And reefs are guaranteed to be markedly different in the future.
Whitespotted surgeonfish (Acanthurus guttatus), found in the Indo-Pacific, crop the upper portion of algae while feeding, preventing macroalgae from becoming established on reefs. Kevin Lino/NOAA

Understanding the conditions that foster coral reefs’ caretaker fishes

Plant-eating fish control the spread of seaweed and algae on coral reefs. New research explaining why populations of these fish vary from site to site could lead to better reef protection strategies.

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