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Date : 1997-09-22
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Coral reef Wikipedia ~ A coral reef is an underwater ecosystem characterized by reefbuilding are formed of colonies of coral polyps held together by calcium coral reefs are built from stony corals whose polyps cluster in groups Coral belongs to the class Anthozoa in the animal phylum Cnidaria which includes sea anemones and sea anemones corals secrete hard carbonate
Coral reef geology Britannica ~ A coral reef is actually a complex of features only part of which is a living coral or algal framework although the other associated features result from this live segment The accumulations of carbonate sand and mud provide a habitat for sea grasses and mangroves and for almost inconspicuous bluegreen algal mats
What Are Coral Reefs Live Science ~ Coral reefs are typically divided into four categories according to CORAL fringing reefs barrier reefs patch reefs and atolls Fringing reefs are the most commonly seen reef and grow near coastlines Barrier reefs differ from fringing reefs in that they are separated from the coastlines by deeper wider lagoons
Corals and Coral Reefs Smithsonian Ocean ~ Coral reefs are the most diverse of all marine ecosystems They teem with life with perhaps onequarter of all ocean species depending on reefs for food and shelter This is a remarkable statistic when you consider that reefs cover just a tiny fraction less than one percent of the earth’s surface and less than two percent of the ocean bottom
Coral reef New World Encyclopedia ~ Coral reef is the term for any fully marine underwater ecosystem with a calcium carbonate foundation produced by the skeletons of living organisms a substantial number of which are corals
NOAA CoRIS What are Coral Reefs ~ The NOAA Coral Reef Conservation Program CRCP is a partnership between the NOAA Line Offices that work on coral reef issues the National Ocean Service the National Marine Fisheries Service the Office of Oceanic and Atmospheric Research and the National Environmental Satellite Data and Information Service
Coral reef definition of coral reef by The Free Dictionary ~ coral reef A mound or ridge of coral skeletons and calcium carbonate deposits Coral reefs form in warm shallow sea waters and provide food and shelter to a wide variety of fish and invertebrates They also protect shores against erosion by causing large waves to break and lose some of their force before reaching land
Reef Wikipedia ~ There is a variety of biotic reef types including oyster reefs and sponge reefs but the most massive and widely distributed are tropical coral reefs Although corals are major contributors to the framework and bulk material comprising a coral reef the organisms most responsible for reef growth against the constant assault from ocean waves are calcareous algae especially although not entirely coralline algae
Exploring the Coral Reef Learn about Oceans for Kids FreeSchool ~ Well see sharks and sea turtles parrotfish eels octopus clownfish anemone and more in this fun kidfriendly adventure full of facts about the coral reef FreeSchool is great for kids Have
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