Related topics: coral reefs · coral · great barrier reef

The 'smell' of coral as an indicator of reef health

You might not normally think about what corals smell like—or how the smell changes during heat stress. However, that is what researchers from the University of Technology Sydney (UTS), the University of Sydney and Southern ...

Caribbean coral reefs under siege from aggressive algae

Human activity endangers coral health around the world. A new algal threat is taking advantage of coral's already precarious situation in the Caribbean and making it even harder for reef ecosystems to grow.

Report: Climate change damaging more World Heritage sites

Climate change is increasingly damaging the U.N.'s most cherished heritage sites, a leading conservation agency warned Wednesday, reporting that Australia's Great Barrier Reef and dozens of other natural wonders are facing ...

Reef

In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water (six fathoms or less at low water).

Many reefs result from abiotic processes—deposition of sand, wave erosion planning down rock outcrops, and other natural processes—but the best-known reefs are the coral reefs of tropical waters developed through biotic processes dominated by corals and calcareous algae. Artificial reefs such as shipwrecks are sometimes created to enhance physical complexity on generally featureless sand bottoms in order to attract a diverse assemblage of organisms, especially fish.

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