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Contact: Martin Glas

Microbial Mat

Caption: The section through the microbial mat on top of the coral tissue shows the incident light into the mat and the related oxygen production by the cyanobacteria. The lysing coral tissue releases organic carbon that is used by the sulfate reducing bacteria, and sulfide. The tissue lesion of the corals is thus a positive feedback process.

Credit: M. Glas/R. Dunker

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Related news release: Chemical microgradients accelerate coral death at the Great Barrier Reef

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