Turbidity buffers coral bleaching under extreme wind and rainfall conditions

Lucas, Caroline Costa; Lima, Italo Cesar; Garcia, Tatiane Martins; Tavares, Tallita Cruz Lopes; Carneiro, Pedro Bastos Macedo; Teixeira, Carlos Eduardo Peres; Bejarano, Sonia; Rossi, Sergio; Soares, Marcelo O.

doi:10.1016/j.marenvres.2023.106215

Marine Environmental Research

2023

DOI: 10.1016/j.marenvres.2023.106215

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Turbidity buffers coral bleaching under extreme wind and rainfall conditions

Caroline Costa Lucas,

Italo Cesar Lima,

Tatiane Martins Garcia

et al.

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2024

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Cited by 2 publications

References 74 publications

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No coral recovery three years after a major bleaching event in reefs in the Southwestern Atlantic refugium

Corazza,

Lacerda,

Güth

et al. 2024

Mar Biol

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No coral recovery three years after a major bleaching event in reefs in the Southwestern Atlantic refugium

Corazza,

Lacerda,

Güth

et al. 2024

Mar Biol

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The Development of a Floating Mono-Particle “Sun Shield” to Protect Corals from High Irradiance during Bleaching Conditions

Scofield,

Prime,

Flores

et al. 2024

JMSE

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Coral bleaching is occurring more frequently as the climate changes, with multiple mass mortality events recently recorded on the Great Barrier Reef. Thermal stress coupled with high irradiance have previously been shown to be primary causes for coral bleaching. Therefore, a reduction in either of these pressures could reduce coral stress and eventual bleaching. Herein, we report the early development of a novel technology capable of reducing the amount of light entering a water body by ~20% in open ocean conditions. This mono-particle “sun shield” consists of an ultra-thin monolayer material and reflective calcium carbonate particles. The monolayer enables spreading of the particles into a thin film across the water surface, with only small amounts of material needed: 7.1 g/m2. A numerical modelling case study of residence times and the build-up of reactive oxygen stress in corals showed that the successful application of a stable film over the Lizard Island reef flat could reduce the reactive oxygen stress to below bleaching levels across approximately 1.5 km2 of reef area. With further development, mono-particle films such as this have the potential to be deployed over at-risk coral reefs at relatively small scales during predicted heatwave conditions, potentially reducing the severity of bleaching on coral reefs.

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Turbidity buffers coral bleaching under extreme wind and rainfall conditions

Cited by 2 publications

References 74 publications

No coral recovery three years after a major bleaching event in reefs in the Southwestern Atlantic refugium

No coral recovery three years after a major bleaching event in reefs in the Southwestern Atlantic refugium

The Development of a Floating Mono-Particle “Sun Shield” to Protect Corals from High Irradiance during Bleaching Conditions

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