Thousands of species can be found living on one reef. A free powerpoint ppt presentation displayed as a flash slide show on id. Relative importance of coral cover, habitat complexity and. Together the coral reef and mangrove ecosystems form a barrier that protects shorelines from the destructive forces of wind, waves and driven debris. Coral reef alliance, coral caribbean tourism organization. Threats to coral reefs come from both local and global sources. This presentation deals with various economic benefits associated with reefs and associated ecosystems. Often called the rainforests of the sea, coral reefs are home to a spectacular variety of organisms. Too much algae and too many microbes threaten coral reefs. Biodiversity only a very tiny portion of the sea bottom is covered by coral reefs 0. The specialty section coral reef research within the journal frontiers in marine science welcomes all aspects of coral studies, from the molecular and crystallographic level, through ecosystem and biosphere aspects. The purpose of this lesson is to introduce students to coral reefs by.
Through a powerpoint presentation, students are introduced to coral reef habitats, reef zones and types of coral common in hawaii. In fact, coral reefs make up less than 1 percent of the ocean floor, but provide habitat for more than 25 percent of marine life. They are not only supporting biodiversity, they are also of immense value to humankind. Nearly 500 million people depend directly and indirectly on coral reefs for their livelihoods. Scientists estimate that there may be another 1 to 8 million undiscovered species of organisms living in and around reefs. Importance of coral reefs biodiscovery and the great barrier reef.
The study of coral reefs is important for providing a clear, scientificallytestable record of climatic events over the past million years or so. This is a remarkable statistic when you consider that reefs cover just a tiny fraction less than one percent of the earths surface and less than two percent of the ocean bottom. Coral reefs are formed by massive colonies of tiny animals called polyps. The coral triangle refers to a roughly triangular area encompassing parts of southeast asia and oceania that contain at least 500 species of reefbuilding corals. Coral reefs are some of the most diverse and valuable ecosystems on earth. But when the system gets out of whack, the cycle breaks down and endangers the reef s health. These include coral evolution, based on molecular clues and geological evidence, their physiology, pathology, photobiology and reproduction.
Coral reefs support more species per unit area than any other marine environment, including about 4,000 species of fish, 800 species of hard corals and hundreds of other species. Importance of coral reefs south florida aquatic environments. Corals and coral reefs a free powerpoint ppt presentation displayed as a flash slide show on id. Coral itself is made up of multitudes of coral polyps, which are miniscule, cylindrical animals. Jun 15, 2017 this elaborates coral reefs through time. Nearly 500 million people depend directly and indirectly on coral reefs. The importance of coral reefs coral reefs are like the rainforests of the sea biologically diverse support 33% of marine fish species provides medicines, chemicals, and other resources. Coral reefs are important loxahatchee river district.
Corals are small animals polyps that have tiny tentacles for the purpose of feeding from microscopic plankton. Iucn international union for conservation of nature. Here, we investigate the individual and combined coastal protection services supplied by live corals on reefs, seagrass meadows, and mangrove forests during both nonstorm and storm conditions, and. Yet they run along more than 150 000 km of coastline in more than 100 countries and territories. The importance of coral reefs 1 the importance of coral reefs 2 what is a coral reef. The reefs have experienced massive losses due to many local and global stressors such as bleaching, disease, sewage, overfishing, climate change, and tourism damage. Corals and algae release nutrients that support a complex and efficient reef food chain. Scientists predict that another 25% may be lost by the year 2035 if human threats are not reduced. Corals are considered to be the rainforests of the ocean and contain a diverse group of organisms that rely on corals as a source of food and shelter. Nov 28, 2016 coral reefs are suffering and we arent going to save them through smallscale, feelgood actions like reusing our shopping bags or hotel towels. Iucn international union for conservation of nature coral reefs. Healthy coral reefs are among the most biologically diverse and economically.
Therefore, coral reefs must exist where sunlight penetrates so that they can thrive and grow. Local communities often support coral reef conservation in order to raise income potential associated with tourism andor improved resource levels. The great barrier reef contains over 400 coral species, 1,500 fish species, 4,000 mollusc species and six. Healthy coral reefs contain thousands of fish and invertebrate species found nowhere else on earth. Ppt coral reefs powerpoint presentation free to view. After hurricane iris in 2001, the coral reef in belize was left. Natural habitats have the ability to protect coastal communities against the impacts of waves and storms, yet it is unclear how different habitats complement each other to reduce those impacts. Pdf slides of all the environment videos, 700 slides for free video lectures and st. The importance of coral reef ecosystems may be seen in their numerous ecological, aesthetic, economic, and cultural functions.
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people coral reefs teem with diverse life. This biodiversity is considered key to finding new medicines for the 21st century. A coral reef may grow into a permanent coral island. Coral reefs grow slowly,are easily disrupted, and thrive only in clear,warm,and fairly shallow water. The great barrier reef contains over 400 coral species. Coral reefs provide the spawning and nursery grounds that economically important fish populations need to thrive. Philippines coral reefs the amazon of the sea unico. Coral reefs play an essential role in everything from water filtration and fish reproduction to shore line protection and erosion prevention. By their massive formation between the surface and the first few tens of meters deep, coral reefs are a very effective for absorbing elements coming from the ocean. Biodiversity the number of different species on coral reefs is. Importance of coral reefs biodiscovery and the great. Coral reef plants the majority of the plants living on the coral reef are various species of sea grass, seaweed, and algae.
In addition to the hundreds of species of corals, they are home to a multitude of animals approximately 25% of all marine life including sponges, cnidarians, worms. Economic importance of coral reefs linkedin slideshare. Contents introduction to coral reef definition important facts anatomy kinds types of coral reefs where you can find the coral reef threats to coral reef reproduction importance of coral reef conclusion. Coral reefs provide habitat for many important species of fish, invertebrates, and sea turtles.
This lesson teaches students about the location of coral reefs, what they are made from, and why they are important. Many scientists now believe the very existence of coral reefs may be in jeopardy unless we intensify our efforts to protect them frieler et al. Introduction to coral reef important facts corals are in fact animals, even though they may exhibit some of the characteristics of plants and are often mistaken for rocks. Lesson looking at the importance and protection of coral reefs around the world. Scientists estimate that there may be another 1 to 8 million undiscovered species of organisms living in and around reefs reakakudla, 1997. The lesson is clear and straightforward, it has a good group work activity lesson and several very informative video clips. Pdf importance of photosynthetic picoplankton in coral reef. Source of important natural chemicals being researched as cures for cancer, arthritis, human infections, viruses, etc. Coral reefs are extremely productive ecosystems and provide humans with many services. Coral reefs are suffering and we arent going to save them through smallscale, feelgood actions like reusing our shopping bags or hotel towels. Atoll and barrier reef islanders recognize that healthy reefs are es sential for the support, creation, and repair of the coral islands on which they live.
Unfortunately, people also pose the greatest threat to coral reefs. This includes records of recent major storms and human impacts that are recorded by the changes in coral growth patterns. Biodiversity the number of different species on coral reefs is higher than in other marine habitats. They teem with life, with perhaps onequarter of all ocean species depending on reefs for food and shelter. These polyps rest on a calcium carbonate skeleton, which is actually comprised of. The importance of photosynthetic picoplankton in coral reef ecosystems is discussed with regard to various oceans with a special focus on the pacific ocean for which recent data are more. Lesson 1 an introduction to the coral reef habitat lesson at a glance students create concept maps to determine the basic needs of organisms for survival. Reefs prevent loss of life and property by protecting shorelines. Corals formation coral reefs are the largest structures that have been created by natural activity, as well as the oldest ecosystems. Apr 25, 2017 the importance of conserving the coral triangle. Teacher will need to source material on threats to reefs and management solutions. Coral reefs support human life and livelihoods and are important economically. Coral reefs are important for many different reasons aside from supposedly containing the most diverse ecosystems on the planet.
Photo courtesy south florida water management districtcoral reefs prevent loss of life and property as well as erosion and flooding by reducing wave action along shorelines. Sep 08, 2015 this lesson teaches students about the location of coral reefs, what they are made from, and why they are important. This website and its content is subject to our terms and conditions. Healthy coral reefs support commercial and subsistence fisheries as well as jobs and businesses through tourism and recreation. Importance of coral reefs largest biologically formed structures in world e. Coral reefs are wellknown for the high diversity of fishes that are closely associated with the reef substratum 14. A map exhibiting the boundaries of the coral triangle. Dec 01, 2017 coral reefs ecosystem are some of the most valuable ecosystem on earth. Ppt the importance of coral reefs powerpoint presentation.
Coral reefs also provide the sediments that eventually become sand on floridas beautiful. Coral reef, ridge or hummock formed in shallow ocean areas by algae and the calcareous skeletons of certain coelenterates, of which coral polyps are the most important. Coral reefs have a symbiotic relationship with a type of microscopic algae, which require sunlight. The importance of coral reefs coral reefs attract tourists to island, many of which are impoverished and provide revenue. If so, share your ppt presentation slides online with.
They absorb waves energy and contribute to environmental protection through the reduction of coastal erosion. Jayselle thom kendra guy tahelapeterkin roannetelgt nicholas diaz delroy charles. They function in reducing surf and shoreline energy. Powerpoint presentation for duel enrollment enc 1101 class. Reef fishes exhibit diverse patterns in their association with coral reef habitat, relying on different substrata for critical resources such as food, shelter and living space. Reefs protect our shores by reducing wave action against the coastline during major storms, such as hurricanes. Coral reefs support life coral reefs are home to a diverse of the earths species of fish. The year in ecology and conservation biology, 2009 coral reefs threats and conservation in an era of global change bernhard riegl,a andy bruckner,b steve l. Ppt corals and coral reefs powerpoint presentation.
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs are subsea ecosystems that are home to hundreds of organisms. Coral reefs in belize have declined in abundance over the past decade. Threats to coral reefs natural and human threats from nature unusually strong waves such as those from a hurricane water temperature changes dramatic changes in saltiness of water predators, such as snails and crown of thorns starfish overgrowth of algae coral eating snails crown of thorns starfish threats from humans pollution sediments block light from zooxanthellae chemicals either poison. Healthy, beautiful coral reefs are important to floridas thriving.
The importance of coral reefs, however, extends far beyond the pleasure it brings to those who explore it. Take your hr comms to the next level with prezi video. Besides being beautiful, a tourist attraction, and an important part of planet earth, coral reefs have a positive impact on. Many drugs are now being developed from coral reef animals and plants as possible cures for cancer.
Types of coral reefs 1,500 species of reefbuilding corals great number of types of coral reef star coral reef hat coral reef tree coral reef brain coral reef patchy coral reef, 7. Coral reefs ecosystem are some of the most valuable ecosystem on earth. Coral reefs are the most diverse of all marine ecosystems. The value of coral reefs has been estimated at 30 billion u. Tropical reefs are the richest marine ecosystems on earth and those found in the philippines boast a diversity of life and colour that is unparalleled. Thus, no conflict between development, societal welfare, and coral reef conservation needs to exist. Dodgea anational coral reef institute, nova southeastern university, dania, florida, usa bkhaled bin sultan living oceans foundation, landover, maryland, usa cbishop museum, honolulu, hawaii, usa. Invision employees share their remote work secrets. Ppt corals and coral reefs powerpoint presentation free. Coral reefs, the worlds most productive and diverse marine ecosystems, rely on a masterful recycling system to stay healthy. Barrier reefs are coral reefs extending roughly parallel and in close proximity to the shoreline. Only a very tiny portion of the sea bottom is covered by coral reefs.
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