American Association: Ecology - Corals being killed by fungus disease
Your support helps us to tell the story
From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', which shines a light on the American women fighting for reproductive rights, we know how important it is to parse out the facts from the messaging.
At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.
The Independent is trusted by Americans across the entire political spectrum. And unlike many other quality news outlets, we choose not to lock Americans out of our reporting and analysis with paywalls. We believe quality journalism should be available to everyone, paid for by those who can afford it.
Your support makes all the difference.THE DESTRUCTION of the coral reefs is being caused by a fungus, normally only found on land, which is being washed out to sea by soil erosion.
Scientists have studied the "bleaching" of reefs in the Florida Keys in the US and found that the fan-shaped corals are being attacked, causing lesions, tumours and eventually death.
Drew Harvell, associate professor of ecology at Cornell University, told the meeting that the death of 100-year-old corals from diseases that they would have normally survived could be an early warning of far more serious problems for the global environment.
"When we see corals that have persisted for hundreds of years suddenly die from opportunistic infections, we have to wonder what has changed in their environment," Professor Harvell said.
Up to 40 per cent of the sea fan corals in the Florida Keys are now infected by fungal disease, which scientists have attributed to falling water quality and increased biological stress due to rising ocean temperatures.
Garret Smith, of the University of South Carolina, identified the microbe attacking the coral fans as a common, soil-dwelling fungus called Aspergillus, which was washed out by rivers flowing through intensively farmed agricultural land.
The fungus collects on the flexible, fan-shaped surfaces of the coral and causes an infection that first discolours the reefs and eventually kills them. The scientists believe sea fans, which position themselves perpendicularly to water currents to filter feed, are especially vulnerable to any disease- causing microbe.
Kiho Kim, a post-doctoral research associate at Cornell, said there is a growing consensus that the ocean ecosystems are now being degraded to such an extent that they are becoming havens for new infectious diseases.
Join our commenting forum
Join thought-provoking conversations, follow other Independent readers and see their replies
Comments