They're more used to taking visitors to the reefs, but COVID-19 gave tour operators time to help check the condition of the corals. What they found doesn't bode well.
Parts of the Great Barrier Reef’s outer reefs can form a natural barrier to coastal recession, thus protecting urban centres.
Coral bleaching on the Great Barrier Reef could lead to increased vulnerability of Queensland coastal cities and towns, and not only through its impacts on the tourism industry.
Mud oysters played a largely unappreciated part in Australia’s history.
In colonial times Australia's waters were teeming with mud oysters that provided food, cement, and cleaned the oceans. Now a 20-hectare man-made reef aims to restore some of their former glory.
A taste of things to come? Storm damage on Sydney’s northern beaches in 2016.
The ocean warming that might increase the threat of a catastrophic storm could also create the conditions for a natural defensive barrier.
Diana Kleine using a CoralWatch chart to measure coral health.
As the Great Barrier Reef suffers a second wave of mass bleaching, there is a way to get involved.
Protecting the Great Barrier Reef’s water quality finally has a hard dollar price on it.
A groundbreaking new economic study has found that investing A$8.2 billion would get us very close to hitting targets to cut water pollution into the Great Barrier Reef by 2025.
Perception is everything when it comes to Great Barrier Reef tourism.
Reef image from www.shutterstock.com
All mention of Australia has been removed from an international report on climate change on the grounds that it would damage tourism. Here's the evidence.
Pristine coral on the Great Barrier Reef.
Photo copyright Tom Bridge
Banning fishing helps fish, but it also helps reef recover from cyclones, disease, and coral bleaching.
Outbreaks of crown-of-thorns starfish, which eat coral, have been linked to poor water quality.
Starfish image from www.shutterstock.com
To fix pollution on the Great Barrier Reef, some farming practices will have to change.
Early signs of bleaching coral in Kaheohe Bay Hawaii, August 2015.
XL Catlin Seaview Survey / Underwater Earth
Many corals can't make it through the bleaching events caused by warming ocean waters. But some can – and scientists are trying to learn more about the sources of their resilience.
Nutrient runoff is one of the major contributors to crown-of-thorns outbreaks.
Crown-of-thorns image from www.shutterstock.com
Despite 15 years of concerted action by the Australian and Queensland governments the health of the reef is not improving and in fact may be continuing to deteriorate.
Diving in Indonesia’s Raja Ampat Marine Park to see these clownfish will cost you more than before – but for good reason.
Diving in many parts of Indonesia, Thailand and Malaysia now costs a little more than it used to – but you might be happy to discover why.
The Great Southern Reef is unique, beautiful and contributes significantly to Australia’s culture and economy. However, few of us realise the magnitude and value of this gem right at our doorstep.
T. Wernberg 2002
The Great Southern Reef covers 71,000 square km and contributes more than A$10 billion to Australia's economy each year.
Coral reefs and associated fisheries are of vital social, cultural and economic importance.
Scuba-diving scientists devise method for gauging the health of coral reefs – a vital ecosystem for keeping fisheries sustainable for people.
Healthy coral on the Great Barrier Reef. New research shows that corals exposed to dredging have increased risk of disease.
Dredging has a direct impact on coral health, according to a study published today in PLoS ONE that shows for the first time…
Fragile beauty: the Great Barrier Reef.
Flickr/Paul D'Ambra - Australia
The Great Barrier Reef Marine Park Authority has announced it will allow the dumping of three million cubic metres of dredge spoil from the Abbot Point port redevelopment within the marine park’s boundaries…
Sydney marine ecologists have successfully restored specimens of crayweed (Phyllospora comosa) on a barren reef at Long Bay…
A scuba diving tourist feeds a giant potato cod in the Great Barrier Reef.
After decades of work, A$200 million in taxpayer funding and even more from farmers’ pockets, we finally have a rare good news story to tell about the Great Barrier Reef. Thanks to an extraordinary effort…
A new species of giant clam on reefs in the Solomon Islands and Ningaloo in Western Australia has been discovered. Researchers…
A new threat to coral reefs has been discovered: microscopic plants are gradually devouring them. Reefs – already threatened…