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. Thousands of species can be found living on one reef.
How is a coral reef an ecosystem?
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. … Sometimes called rainforests of the sea, shallow coral reefs form some of Earth’s most diverse ecosystems.
Why is a coral reef a habitat or ecosystem?
Coral reefs provide habitat for a large variety of marine life, including various sponges, oysters, clams, crabs, sea stars, sea urchins, and many species of fish. Coral reefs are also linked ecologically to nearby seagrass, mangrove, and mudflat communities. … Not all corals on the reef are stony corals.
What ecosystem is a reef?
Coral reefs are one of the most biologically diverse ecosystems on earth, rivaled only by tropical rain forests. They are made up not only of hard and soft corals, but also sponges, crustaceans, mollusks, fish, sea turtles, sharks, dolphins and much more.
Is a coral reef a stable ecosystem?
As the environment of coral reefs naturally is very stable, reefs are easily affected by sudden changes of abiotic factors, like salinity, temperature, oxygen content, and water transparency. Coral reefs are “low input ecosystems” concerning flow of matter (D’Elia and Wiebe, 1990).
Why is coral reef called as the most rich and diverse ecosystem on earth?
The variety of species living on a coral reef is greater than in any other shallow-water marine ecosystem, making reefs one of the most diverse ecosystems on the planet. … The biodiversity of reefs and the habitat reefs provide for other species are also the source of other benefits.
Where is the coral reef ecosystem located?
Coral reefs are located in tropical oceans near the equator. The largest coral reef is the Great Barrier Reef in Australia. The second largest coral reef can be found off the coast of Belize, in Central America. Other reefs are found in Hawaii, the Red Sea, and other areas in tropical oceans.
What are 5 importance of coral reefs?
protect coastlines from the damaging effects of wave action and tropical storms. provide habitats and shelter for many marine organisms. are the source of nitrogen and other essential nutrients for marine food chains. assist in carbon and nitrogen fixing.
What is a coral reef for kids?
A coral reef is made up of thousands of tiny animals called coral polyps. … These tiny animal polyps and algae have grown together to create a large structure called a coral reef. This coral reef is home for thousands of species of plants and animals.
Why do Corals need saltwater?
When there are too many nutrients in the water, the ecological balance of the coral community is altered. Salt Water: Corals need salt water to survive and require a certain balance in the ratio of salt to water. This is why corals do not live in areas where rivers drain freshwater into the ocean.
What are the ecosystems?
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. … Abiotic factors include rocks, temperature, and humidity.
Why is coastal ecosystem important?
Importance of Coastal Waters
As the interface between terrestrial environments and open oceans, coastal waters encompass many unique habitats and serve important human needs. … They also provide habitat for many other organisms such as marine mammals, corals, sea turtles, and submerged aquatic vegetation.
What is in a coastal ecosystem?
A coastal ecosystem includes estuaries, coastal waters, and lands located at the lower end of drainage basins, where stream and river systems meet the sea and are mixed by tides. The coastal ecosystem includes saline, brackish (mixed saline and fresh), and fresh waters, as well as coastlines and the adjacent lands.
Why are coral reefs the most productive ecosystems?
The coral reefs are known to possess the most productive ecosystem on the earth. … The animals living under the coral reefs swiftly filter the water and allow planktonic organisms to grow, and these plankton get enough sunlight to grow.
Why is the Great Barrier Reef so important as an ecosystem?
In Australia, our Great Barrier Reef is an irreplaceable and crucial part of our ecosystem – and our economy. Made up of 3,000 individual reefs, it protects our coastlines and is home to thousands of species of marine life including fish, whales, dolphins and six of the world’s seven species of marine turtle.
Why are coral animals a keystone species for reef ecosystems?
In each ecosystem there are species who have a larger impact on the ecosystem than other species. They are called keystone species. … The intricate structures the corals create are home to many fish and invertebrate species, they find protection there from their predators and places to spawn.