Related topics: coral reefs · coral · great barrier reef

Study identifies how to verify whether MPAs are effective

Marine protected areas, or MPAS, are an increasingly common way of protecting marine ecosystems by prohibiting fishing in specific locations. However, many people remain skeptical that MPAs actually benefit fish populations, ...

What can researchers learn by eavesdropping on fish?

Oyster reef restoration provides important benefits, such as stabilizing shorelines, filtering water, and providing habitat for estuarine fish. However, quantifying fish use of restored oyster reefs can be difficult. Traditional ...

Some reef islands resilient to climate change: study

The Pacific's low-lying reef islands are likely to change shape in response to climate change, rather than simply sinking beneath rising seas and becoming uninhabitable as previously assumed, new research has found.

Back-to-back heatwaves kill more than two-thirds of coral

By comparing reefs before and after two extreme heatwaves only 12 months apart, a collaborative team of researchers including scientists from Bangor's School of Ocean Sciences found that living hard corals in the central ...

Coral reefs shifting away from equator

Coral reefs are retreating from equatorial waters and establishing new reefs in more temperate regions, according to new research in the journal Marine Ecology Progress Series. The researchers found that the number of young ...

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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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