Reef-building Acropora Corals Image 1
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Reef-building Acropora Corals (Image 1)

May 17, 2013
Reef-building corals support an oasis of life and diversity in a sparse ocean. Because branching Acropora corals such as those pictured here in the central Pacific Ocean are in peril from climate change, the whole ecosystem is in danger of collapse. The decline in coral reefs in recent years due to a variety of threats--from pollution to climate warming--has lent urgency to the search for new ways to evaluate their health. A new study by Scripps Institution of Oceanography (at the University of California, San Diego) scientists has revealed that fluorescence, the dazzling but poorly understood light produced by corals, can be an effective tool for gauging their health. This research was supported by a grant from the National Science Foundation's (NSF) IGERT program (grant DGE 03-33444); an NSF Graduate Research Fellowship, awarded to Melissa Roth (IGERT 03-33444); and the Air Force Office of Scientific Researchs Natural Materials, Systems and Extremophiles program. Birch Aquarium at Scripps provided the corals and technical support for the experiments. To learn more about this research, see the UC San Diego news story Fluorescent Light Revealed As Gauge of Coral Health. (Date of Image: 2006) [See related image Here.] Credit: Melissa Roth, Scripps Institution of Oceanography, University of California, San Diego

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