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Citizen scientists make 'surprising' coral find

Citizen scientists make 'surprising' coral find
Credit: Associate Professor Chris Roelfsema

A University of Queensland study has found greater-than-expected coral cover in waters off Queensland's Sunshine Coast.

Over the past two years, more than 50 volunteer divers from UQ's Dive Club (UniDive) ran a to assess the health of reefs off Mooloolaba. UQ's Associate Professor Chris Roelfsema, who voluntarily led the project, said the high coral cover was astounding.

"Given the proximity to and river flows, we weren't expecting to see so many hard and soft corals—it was a great surprise," Dr. Roelfsema said. "In some areas, we found up to 54% more coral cover than previously reported. We were delighted to find particularly high coral cover around Mudjimba Island and around the Inner and Outer Gneering Shoals."

But Dr. Roelfsema said it wasn't all good news with volunteer divers also finding coral damage, disease and debris affecting all sites surveyed. "Our divers found a lot of marine debris, particularly around the Outer Gneerings and Mudjimba Island," he said.

"The team did incredible work, volunteering their time and amazing skills—spending over 8,000 hours training, collecting, and analyzing the data. For the first time, the divers integrated photos of the bottom of the ocean to derive information on its composition and structure, using machine learning. The resulting report has detail never seen before for this area."

The survey was based on globally recognized monitoring methods developed by Reef Check Australia and UQ's CoralWatch, and on previous award-winning UniDive research projects at Flinders Reef and the Point Lookout Reefs.

Citizen scientists make 'surprising' coral find
Credit: Associate Professor Chris Roelfsema

The citizen science team also worked with the Kabi Kabi and Jinibara people to get first nations information about the sites. Dr. Roelfsema said that the success of the project shows how important citizen science is in protecting ecosystems and creating awareness.

"Citizen science plays a crucial role filling information gaps and offering timely reporting on the environmental health of sites, when don't have time or funding to do so," he said. "As a result, these projects raise awareness about the magnificent local reefs and could help influence management and conversation of these reefs.

"We've now trained an army of volunteers in various survey techniques, and we're hoping this work not only influences but creates a deeper awareness within the local community of their amazing local reefs."

More information: Ecological Assessment of the Flora and Fauna of Mooloolaba Reefs, Queensland, Australia: cdn.revolutionise.com.au/site/uqxvlikt4oviz1bq.pdf

Citation: Citizen scientists make 'surprising' coral find (2023, February 7) retrieved 27 May 2024 from https://phys.org/news/2023-02-citizen-scientists-coral.html
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