Corals


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Corals

 

coelenterate marine animals, primarily of the class Anthozoa and sometimes of the class Hydrozoa (of the suborder Hydrocorallia). Most corals form a calcareous or, less often, horny skeleton of varying shapes. Accumulations of madrepores form the basis of coral reefs. Coral is also the designation given to the skeletons of animals of the order Gorgonaria, such as red coral and black coral, from which necklaces and other types of jewelry are made.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
"It's likely these mangrove lagoon corals have the best chance to persist into the future given that they are already conditioned to the complex interaction of warmer waters, ocean acidification, and deoxygenation predicted for reefs under climate change," he said.
Maybe, instead, we will raise fund for this project to protect the corals. About the base of the monument, we will use it as mooring block,' he said.
This is manifested in many ways, including coral bleaching.
So once the sewage pollution was removed, those "super corals" swiftly "came in and drove the reefs to a rapid recovery."
Scientists recently reported the discovery of the first coral reefs in Italy's Adriatic coast near Monopoli in Puglia.
'It was also meant to call attention to the issue at hand: that there are projects with good intentions that are sometimes doing more harm to corals, and that coral transplantation and propagation need to be planned carefully and with the advice of experts, if it's at all needed.'
Coral Whisperers is exceptional in its scientific detail but also in relating the personal stories of the scientists, or "whisperers," who follow the lives of corals and invest their own lives in striving to preserve them.
If we're starting from scratch, from just collecting corals that we're going to start growing in our farm, it'll be about six or eight months before we're planting our first batch of coral into that reef.
'Investment and insurance industries are crying out for these evidence-based standards to enable coral reef restoration,' said IUCN's Carl Gustaf Lundin.
"Just like we need good bacteria to be healthy, so do coral," says Andrea Grottoli, professor of earth sciences.
Coral bleaching occurs when corals are stressed due to environmental disturbances including temperature, light, and chemical changes in the environment.