how many coral reefs are there in the world

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The World's Largest Coral Reefs . Coral reefs help to improve the quality of the surrounding water. The UNESCO World Heritage Center in Paris has written that all the world’s reef formations will cease to host living corals by the end of this century, and a large number of the reefs still alive today will die out in the next 50 years. Once coral reefs are damaged, they are less able to support the many creatures that inhabit them. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms.Thousands of species of corals have been discovered; some live in warm, shallow, tropical seas and others in the cold, dark depths of the ocean. Scientists use data regarding the number of reefs currently present to perform detailed comparisons and find out how fast coral reefs are dying out and how much time we have left to try to contain the problem. The term atoll refers to a coral reef that has a distinct ring shape which usually wholly or partially encloses a lagoon. The third type of coral reef is the platform reef which generally grows either on the continental shelf or in the open ocean with some being found close to 124 miles from the shoreline. The back reef is usually the widest part of the reef while the reef slope is steep and located closest to the ocean. There are a million other coral reefs out there, many of which I’ve never explored and, that I’m sure, deserve a place on the list. Coral reefs are known as the "rainforests of the sea" due to their roll as one of the most diverse ecosystems in the world. Coral reefs are pictured in a lagoon in October 2015 in Tahiti. There is much that we can do locally to protect coral reefs, by making sure there is a healthy fish community and that the water surrounding the reefs is clean. When choosing the group to which a reef belongs, the primary factor put into consideration is the morphology, as in the inward and outward appearance. Climate change is the biggest threat to the world’s coral reefs, causing mass bleaching, among other things. The classification of coral reefs dates back to the time of Charles Darwin who also wondered why coral reefs were only found in some regions of the world and not in others. Their most distinguishing feature is that they are isolated from the shores by a lagoon of considerable depth. The most distinct feature of the fringing reef is that they usually have no lagoons and if a lagoon is present it is generally very shallow. Other sources of danger to coral reefs include ocean acidification and pollution from plastics, sunscreen runoff, and pesticides. The large phenomenal Reefs are so amazing that they are documented by various scientists. How many coral reefs are there that can still be considered as important when compared to the largest formations in the world? Two million species live in, on, and around the reefs. These Reefs are just a few of the largest Coral Reefs on the planet, providing sea creatures habitats and protecting coastlines. Benefits of Coral Reefs. By Elizabeth Pennisi Dec. 16, 2019 , 12:45 PM. The number of invertebrate species that live in coral reefs is estimated to range from 1 to 10 million, many of which are still unidentified and undiscovered. There are also many reefs with a high density of biodiversity, such as the Sulu Sea’s Tubbataha Reef. So, no big deal, right? ... 1 /1 More than 90 percent of world's coral reefs will die by 2050. In 2016, another massive bleaching event struck and reversed the recoveries that had been made in the intervening years. Economically, they are one of the most important features found in the ocean. Wrong. Now, the Seychelles government is in a race against time as it tries to protect its lucrative, beautiful, and ecologically essential reefs from being elimin… Changes in storm patterns lead to storms occurring at a greater strength and frequency. In 1998, 16% of the world's reefs died as a result of increased water temperature. Platform reefs do not have a single consistent size with several of the larger ones extending a couple of miles across while the smaller ones are some feet across. An estimated 4,000 fish species, and some 25 percent of marine life, depend on coral reefs at some point in their existence. Compounding our lack of knowledge on reef inhabitants, coral reefs are among the most threatened ecosystems in the world. Warmer water temperatures lasted there for 10 months in 2015-2016, killing a staggering 90 percent of the reef. There are often more types of fish living in a two-acre area of healthy coral reef than there are species of birds in all of North America! It’s also richly diverse, featuring about 500 types of marine species, 26 species of algae and seven species of seagrasses that are all … About 1/4 of all marine species are found within coral reefs although they make up less than 0.1% of the ocean's surface. 13. Photo by: MENAHEM KAHANA/AFP/Getty Images The three last or smallest reefs from this list are measured by area due to their unusual shapes. The Maldives has as many as 1200 different islands which are all known for their breathtaking landscapes and vibrant coral reefs and marine life. Coral reefs are essential to healthy coasts and vibrant economies, playing a critical role in everything from protecting lives and property to supporting thousands of businesses. Therefore, it’s essential to note that the number of corals still present in the world is not only declining, but it is doing so at an accelerated rate. The impact of our changing climate on coral reefs was manifested by the third global bleaching event in 2015/16. Global warming has in recent years caused colourful coral reefs to bleach and die around the world -- but not in the Gulf of Eilat, or Aqaba, part of the northern Red Sea. The threat to reef health is particularly strong in Southeast Asia, where 80% of reefs … The aforementioned Belize Barrier Reef is among the largest reefs formed around the American continent, measuring 190 miles and featuring more than 100 different coral species. Half of the world's coral is dead due to man-made climate change, but a scientist says immunizing coral in labs might save the rest. Fringing reefs are composed of two key components: the reef slope which is also referred to as the fore reef and the reef flat which is also referred to as the back reef. One of the most common fringing reefs, which is the most extensive and contiguous in the world, is located in Kenya close to Msambweni. Actually fish ; in fact, they are also important for fisheries and shoreline protection measuring the reefs are... 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