The first thing that comes to mind when we think of coral reefs is either an image of Nemo swimming through those finger-like plants in the ocean or a jumble of those plants we see on postcards and on television, thinking that one of them (but which one?) must be a coral reef. On the contrary, however, coral reefs are far from being plants but are in fact, an ecosystem filled with corals, both hard and soft, and endless reef species. The coral itself is made of many coral polyps, delicate limestone-secreting animals, which serve as a skeleton for the coral. The impact of these reefs on both marine life and humans is immense, but as of today, we have lost almost twenty to twenty-five percent of the world’s coral reefs and about another …show more content…
However, alerting us of changes in water salinity and water quality are not the only benefits coral reefs provide us. In addition to their role as indicators of water salinity and water quality, coral reefs also benefit us by providing our communities, harbors, coastal cities, and beaches with protection from heavy wave action caused by coastal storms (U.S. EPA). Their complex and deep roots help to stabilize our shorelines and protect the inshore area by breaking the impact of waves hurtling towards the shore from the ocean. As a result of healthy coral reefs, coastlines were spared further damage in the disastrous Indian Ocean tsunami of December 2004. Also, when those living on the Maldive Islands decided to mine away its sand and coral reefs, it cost them about ten million U.S. dollars per kilometer to build a wall to protect their coastline when leaving the reefs alone would protect their coastline more effectively and less costly (Talbot, F. and Wilkinson, C.). If the reefs are left unprotected, they will eventually die out, and it will be more costly for us to attempt to build manmade objects as a replacement for them than to spend a portion of that money to keep the reefs safe from humans and healthy. One major aspect of coral
Corals build colonies that secrete calcium carbonate to form ocean reefs. When they're healthy, coral reefs provide shelter and food for animals all along the food chain, including the top: us. Across the planet, half a billion people rely, directly and indirectly, on corals for their living. That's why what happens to the 9,000-year-old Great Barrier Reef, as well as to other reefs worldwide, is critical. The floods in Queensland have hurt the Great Barrier Reef by funnelling into the ocean vast plumes of freshwater and agricultural runoff that could severely damage the coral. Besides the extreme rain that sparked the floods, rising ocean temperatures, changes to the ocean's chemistry and the global trade in natural resources — all symptoms of our fossil-fuel economy — are waging a multiform war on the marine
Coral reefs not only protect coastlines and beaches from wave damage and erosion, but also are the basis for the fishing and tourism industries. Dying reefs is a worldwide problem, and evidence shows that 10% of the entire world’s coral has died, and 60% will die by 2020 if existing conditions continue (NOAA 2000). The reason that the Australian Great Barrier Reef is so important is because not only is it the largest barrier reef in the world, but it is also one of the most evolved models of how to best manage and protect the world’s largest reef system (Ornitz 1996). It extends for 2,340 kilometers (km), covers 345,000 square km and contains 2,900 reefs, 300 coral cays and 600 continental islands (White 1999). Historically, it has been ahead of the rest of the world in terms of recognizing and addressing problems associated with reef degradation.
In conclusion, coral is a single; it’s made up of thousands of ploys. Which secrete the limestones that attaches to rock or ocean bed and keeps them in the places where they came. That’s why if we stop the main cause of this--fishermen-- we’ll be able to see the coral reefs. The central idea of the article, “ Ingenious Coralbots May Help Restore Coral Reefs”, is that humans should stop taking the coral reefs from their
Coral reefs are the most biodiverse ecosystem on the planet. There are more than 25,000 known species of organisms and countless others that have yet to be identified (Helvarg, 2000). Reefs thrive on the shallow edge of tropical seas, most often on the eastern edge of continents along warm water currents that brush the coasts. Reefs cannot live in cold waters and are limited by ocean depth and available sunlight. Coral is the foundation of the reef community, providing a three-dimensional structure where thousands of species of vertebrates and invertebrates live and feed. Some species of coral are hard, while others soft. Some are branched, yet others are compact and rounded. Coral is made up of large
Consisting of less than 1% of the world oceans, the coral reefs are ancient animals comprising of thin calcium carbonate deposits within the photic layer. Aside from its biologically diverse ecosystems, coral reefs are major source of food for millions and provides habitats and nursery areas for many marine organisms. Coral reefs also act as a physical buffer to protect the coastlines from tropical storms and erosion. In addition, many local communities rely on coral reefs to generate an income through activities such as fishing and diving. However, 75% of the coral reefs are under threat from induced impacts of humans and climate change (Burke, et al., 2011). This essay looks at the human impacts constantly being inflicted on coral reefs.
First, I am going to talk about the importance of coral reefs. Coral reefs are some of the most diverse and valuable ecosystems on Earth. They are home to 4,000 species of fish, 800 species of hard coral, and hundreds of other species. Scientists believe that there are another 1 to 8 million unidentified species (NOAA). According to the National Oceanic and Atmospheric Administration, new drugs are being developed from
Furthermore, extraction of building materials such as sand affects coral reefs, mangroves, and hinterland forests, leading to erosion and destruction of habitats. Overbuilding and extensive paving of shorelines can result in destruction of habitats and disruption of land-sea connections such as sea-turtle nesting spots. Coral reefs are especially fragile marine ecosystems and are suffering worldwide from reef-based tourism developments. Evidence suggests a variety of impacts to coastline ecosystems result from shoreline development, increased sediments in the water, trampling by tourists and divers, ship groundings, pollution from sewage, overfishing, and fishing with poisons and explosives that destroy coral
“Unusually high water temperatures have caused many coral species to lose their zooxanthellae, turn white, and die prematurely, thereby leading to a decline in reef building. Scientists predict bleaching will reduce diversity among corals and the creatures that depend on them” (“Great” World Book). Additionally, changes in the salinity of the water affects the Great Barrier Reef. Salinity is changing because of changes in climate. This is because warmer air from climate change can absorb more water than cooler air, therefore changing evaporation cycles. In places where there is more rainfall than evaporation, rainfall is increasing. In places where evaporation exceeds rainfall, evaporation is increasing. This process is widening the gap between humid and arid regions. This proves to scientists that climate change is affecting salinity (Calif). Furthermore, diseases are produced among coral because of climate change as well as pollution. Increasing temperatures are so effective on the reef that the only disease that can be treated is black-band disease (“Coral”). Ultimately, the coral in the Great Barrier Reef becomes brittle and pale because of these
Finally, there are millions of species who live in the coral reef. It is used both for shelter and for a food supply. There is a vast amount of trawlers that come through each year to dredge the ocean. But think about what would happen if the coral reefs disappear. All the species that depend on the reef for shelter would die. And all the species who hunt for food there would also die. Dredging the ocean rips apart the coral reefs wether that was meant to happen or not. If the natural beauty of the reefs and the security it brings to animals dissapeared, it would be a major
Coral reef ecosystems around the globe are threatened by human interferences and climate change. This has led to many scientists conducting studies on global coral reef ecosystems to gain a better understanding of the cause and effects of coral reef damage. In both Hodgson’s (1999) and Carpenter et al.’s (2008) studies, they are aware of the continuous degradation of global coral reef ecosystems. Hodgson's study involved conducting a survey on global coral reef ecosystems to see whether human actions were affecting the health of supposed pristine Coral reefs. Carpenter et al. incorporated Hodgson’s study into a compiled study about the possible extinction of reef building corals due to climate change and anthropogenic effects. Carpenter’s
Reefs protect shorelines from currents, waves, and storms, helping to prevent loss of life, property damage, and erosion. Up to 90 percent of the energy from wind-generated waves is absorbed by reefs, in fact, coastlines protected by reefs are more stable, in terms of erosion, than those without. Reefs are also a natural source of sand in beach replenishment. Losing the natural reef barrier would have a large physical and economic impact on coastal communities as well as the millions of people who live in coastal areas near coral reefs. The health of sensitive coral reef ecosystems depends partly on sustainable coastal development along the coastlines the reefs protect. A study conducted in 1999 suggests that a 1% loss in coastal ecosystems leads to 1% loss of the value of the
There once was a whole nother world below the beautiful waves in the Asia Pacific, a year a go to be exact. A breathtaking array of life beneath the ocean. Only now the maldivian reef is dead, obliterated by the stress of the rising temperatures in the ocean. In the last 30 years, the world has failed to realize that we have lost half our coral reefs. Scientists are searching for ways to guarantee the lone ecosystems to recuperate beyond the next 30 years. The whole world depends on it since it supports a quarter of all marine life. Julia Baum Of Canada states, “We are losing them right now, really quickly, much more quickly than i think any of us ever could have imagined.” Can you believe that in about 2050, if we don’t find ways to help conserve
They make up a vast, diverse marine ecosystem. Without them, many underwater species would have no home, no food, and no security. Local residents and visitors would find themselves without essential marine resources. Research has shown us that damage to coral reefs can be naturally occurring. In such cases, there are few options we have for combating their demise. As with many other environmental problems we face, climate change plays a large part in coral reef damage. This is something that must be taken care of on a massive scale; and possibly over a very long period of time. However, maintenance of the coral reefs is possible. Their destruction by way of human influence, however, can be prevented. With proper education, divers and tourists can be made aware of what threat they pose to the reefs when they come in contact with them. Other beach-goers can be made aware of what beach pollution does to the water and its life forms. Regulations can be put in place to see that industry causes as little damage as possible to our oceans and reefs. The DEP, and other such agencies, is around to care for the reefs and attempt to reverse any damages done to them. If it weren’t for the coral reefs, Florida simply would not be
However, many fisherman are unable to catch as many fish as they used to, so they are increasingly using cyanide and dynamite in fishing, which further degrades the coral reef ecosystem.[6] This perpetuation of bad habits simply leads to the further decline of coral reefs and therefore perpetuating the problem. One solution to stopping this cycle is to educate the local community about why conservation of marine spaces that include coral reefs is important.[7] Once the local communities understand the personal stakes at risk then they will actually fight to preserve the reefs. Conserving coral reefs has many economic, social, and ecological benefits, not only for the people who live on these islands, but for people throughout the world as well.
Globally, marine ecosystems, in particular, coral reefs, are experiencing increasing pressure due to the growth in recreational scuba diving, and snorkeling. Pressure refers to the frequency, and quantity of divers, and dive boats on any particular reef. This pressure often results in damage to the reef, and is caused by divers, snorkelers, and even dive boat anchors, and anchor lines, furthermore, this damage takes significant time to repair, due to the rate at which coral grows, and repairs itself. Although this damage is not irreparable, continual pressure by recreational dive and snorkeling industries, can lead to damage beyond the reef’s ability to recover. Damaged reefs result in loss of sea life, vibrancy, and color, the primary draw for divers, snorkelers, and other marine enthusiasts. Consequently, this damage extends to the economies of the local communities, in which water related activities are a primary source of revenue. To sustain these local communities’ economies, and tourist enjoyment, private SCUBA organizations can coordinate, and facilitate options to reduce the recreational damage of the ocean’s reef system through education, artificial reef attractions, and alternative dive programs.