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Contact: Martin Glas

Black Band Spread

Caption: The dark front of the BBD migrates towards the healthy tissue and leaves the bare coral skeleton behind. Sulfidic (+H2S) and anoxic (-O2) conditions are responsible for the necrosis of the coral tissue in the BBD zone.

Credit: M. Glas/R. Dunker

Usage Restrictions: None

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

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