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$300,000 investment announced for Mon Repos Turtle Nest Cooling Trial

$300,000 investment announced for Mon Repos Turtle Nest Cooling Trial
December 15, 2020

With higher temperatures producing more female turtles, the Australian Government has announced a $300,000 investment in beach shading and cooling trials at the world-renowned Mon Repos turtle rookery near Bundaberg, home to the largest concentration of nesting marine turtles on the eastern Australian mainland.

The sex of a sea turtle is determined by the temperature at which the egg is incubated and we are now seeing higher temperatures produce more females. The Great Barrier Reef Marine Park Authority will work with the Queensland Parks and Wildlife Service through the Reef Joint Field Management Program to monitor the success of the nest cooling trials which aims to produce a more balanced mix of both male and female hatchlings.

Mon Repos is the site of one of Australia’s longest running turtle research and monitoring programs and the funding is part of the Federal Government’s $6 million Reef 2050 and Natural Heritage Trust funded Great Barrier Reef Green Turtle Research program aimed at improving our understanding of the habitat needs of turtles, while also supporting the work of Traditional Owners and Land and Sea Rangers to co-manage turtle populations that forage and nest in their sea country.

The $300,000 will support innovative trials to cool turtle nests at the site.

The next phase of these trials, which gets underway during next year’s turtle nesting (October to March), builds on work by the Queensland Government aimed at determining whether cooling parts of the nesting beach can address the increased proportion of female hatchlings caused by higher nest temperatures.

Federal Minister for the Environment, Sussan Ley said the monitoring work would determine whether the cooling technique could be expanded to other turtle nesting sites elsewhere on the Great Barrier Reef noting “this is about working with scientists to look at the ways we can help the ecosystem adapt and become more resilient in the face of higher temperatures and changing climate.

“Mon Repos is perfectly placed for the trial – it supports the most significant loggerhead turtle nesting population in the South Pacific region and nesting turtles have been monitored here since 1968.”

Minister Ley added that the investment was part of a wider approach to resilience and adaptation investments from IVF style coral spawning, to coral restoration, improved water quality, land management and crown-of-thorns starfish control.

The long-term focus at Mon Repos means most nesting females have been tagged previously and the trials can be controlled to a high degree. Undertaking these trials under controlled conditions at Mon Repos creates a platform that may allow them to be expanded and implemented across remote area nesting sites.

The Australian Government’s $6 million Great Barrier Reef Green Turtle Research program involves researchers and Indigenous rangers joining forces to better understand the turtle population and its important nesting rookeries and foraging habitats.

Image courtesy of Outdoors Queensland 

Related Articles

24th November 2019 - New $22 million Mon Repos Turtle Centre officially opens

30th September 2019 - New Mon Repos multimillion-dollar immersive turtle centre set to open

21st October 2015 - Mon Repos Turtle Centre’s makeover in time for turtle season

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