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Impact of ocean acidification on the environment
Environmental impacts of fossil fuel use
Impact of ocean acidification on the environment
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The Coral Reef is referred to as the “Rainforest of the Sea”, it has a greater diversity of animal and plant life than rainforests. The Coral Reef circulates nutrients through the food web and provides food at all of the levels of the food chain and also plays a major role in keeping global temperatures normal and is the primary producer of oxygen. People have relied on the ocean for many years for things like trading and about eighty percent who still live about 100 kilometers from the ocean today rely on it for their lives. People depend on the ocean and how it provides food, tourism, and environmental protection, but surprisingly the world’s poorest people live by and depend on the ocean. The dependency people have on the ocean today is …show more content…
According to The Fourth Assessment Report of the Intergovernmental Panel on Climate Change, “Temperature records from as far back as 1850 show that the globe has on average warmed by 0.8 degrees celsius, and further analysis has shown that since the 1970s each decade has been warmer.” (IPPC, 2007). It is expected to keep getting warmer according to IPPC and they also are estimating that the average temperature will be 2.5-4.7 degrees celsius higher in 2100. It has also been found that climate change is due to the greenhouse effect which is also produced from human activity. Greenhouse gases in the atmosphere have increased so rapidly since the Industrial Revolution that they are now changing our climate very quickly. High levels are collecting heat that is being reflected from the land and ocean and is making the air and water temperatures warmer because it is preventing it from escaping the Earth’s atmosphere. In order to keep this from happening human activities such as fossil fuel, deforestation and the conversion of land for agricultural use needs to be used …show more content…
First we need to dissect the meaning of ocean acidification. Ocean acidification is the “reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide from the atmosphere.” (NOAA, 2016). As carbon dioxide increases the ocean pH decreases which it then becomes more acidic. Eventually the structure of the reef will start to dissolve due to the calcium carbonate that the carbon dioxide produces. “Since 1751 the ocean has become 30% more acidic. If nothing is done to help lessen the amount of carbon dioxide emissions into the air ocean acidification will increase producing more damaged or destroyed corals.” (SCOR,
First, during the last few decades the Earth is experiencing greater rate of rising temperatures due to greenhouse gases that are being produced by human activities rather than because of environmental reasons, such as solar or volcanic activities. In 2006 the President of the National Academy of Sciences stated: “There is no doubt that the Earth is warming,” also he added that people are at least partly responsible for these changes in addition to regular factors (Cicerone, par.4). Natural factors have produced climate fluctuations on Earth for several million years. People have effected an atmosphere of the Earth just for nearly one hundred years, since Industrial Revolution has begun (Revkin 340). Of course, it is unfair to say that global warming is caused entirely by humans. For example, people can not have an impact on the position of Earth in relation to the sun, or on the galactic density, or such nature events as air emissions of volcanic gases. As a result of these environmental factors, Earth usually had higher rates of temperature fluctuations during the previous million years than it has in later centuries. On the other hand, people are responsible for the highest concentration of greenhouse gases during the last 650,000 years in the atmosphere due to industrial manufacturing, driven by the increase in consumer consumption (Lindsey, par.
In addition to their tremendous ecological benefit, coral reefs are also economically beneficial to humans, as they provide considerable services in terms of tourism, fisheries, and coastline protection. Surveys to determine their total global economic value are imperfect, imprecise, and highly varied in thei...
A big change that has occurred in the oceans all over the world is the Coral Reefs are dying and are predicted to be dead by the end of the century due to the rising acidity of the oceans caused by many different threats to marine ecosystems. Coral reefs cover less than 0.2% of our oceans but they contain 25% of the world’s marine fish species according to Endangered: Biodiversity on the brink, 2010: pg.45). If this is the case that means by the time the end of the century comes around we will have lost close to 25% of the worlds marine ecosystems.
Coral reefs, which are underwater structures created by calcium carbonate secretions, are some of the richest interdependent ecosystems on Earth. According to Wikipedia, coral reefs occupy less than 0.1% of Earth’s ocean surface, yet they provide a home for 25% of all marine species. Often referred to as the “rainforests of the ocean,” coral reefs are home to thousands upon thousands of species of plants and animals (“Coral Reef”). Not only are they an important part of ocean environments, but coral reefs are also extremely important and beneficial to humans; these reefs protect shorelines and provide countless people with food, jobs, and income sources. However, coral reefs are disappearing at an extremely alarming rate. From overfishing to pollution to sedimentation, the world’s coral reefs are in grave danger and humans must actively work to protect and restore these oceanic rainforests.
Due to the overload of carbon dioxide in our atmosphere, it becomes impossible for trees to absorb all of it. Oceans have absorbed about thirty percent of the carbon dioxide that has been emitted into the atmosphere. (Logan, 2010) Acidification is when pH levels in the ocean begin to decrease leading to devastating effects. Carbon dioxide levels have increased about forty percent since the preindustrial times. (Doney, 2008) Coral reefs is a major organism within the ocean that experience the terrible effects of acidification. Coral reefs and the many organisms that live within them require well balanced pH levels in order to stay alive. Levels in pH have changed drastically, pH has fallen .11 from about 8.21 to 8.10 and is expected to continue to fall .3 to .4 pH units. (Doney, 2008)
Global warming and global climate change is the study of future increases of temperature across the globe. Studying climate change refers to how the over- all climate will change such as the dry places getting dryer and the wet places getting wetter. Global climate is dependent on “the greenhouse effect a natural process that helps regulate temperature” (Easterling and Karl). In the past few centuries humans have had a monumental effect on increasing of greenhouse gases in the atmosphere. Climate change is result of the increase amount of the greenhouse gasses in the atmosphere such as methane, carbon dioxide, water vapor, nitrous oxide, and ozone. “Global temperature has rose approximately 1.4 degrees Fahrenheit over
Oceans cover 71% of the earth’s surface. The talk of climate change can often seem to focus on what is happening in our atmosphere, but there is a lot of change going on in our oceans. The oceans have absorbed 90% of the excess heat and 28% of the carbon pollution generated by human consumption of fossil fuels (Nuccitelli 2015). The purpose of this paper is to show how the effects of climate change effect the coral reefs in our oceans, with a focus on the coral reef systems in the Caribbean and of the Great Barrier Reef. The Caribbean coral reefs are well known to have suffered more damage between the two reef systems. That’s not to say that the Great Barrier Reef has not suffered its own damage. It has and will continue to suffer in the future.
This article discusses how important the organisms symbiotic with coral reefs are, as well as how important coral reefs are to our environment. Also explained is how natural and non natural things things like hurricanes and overfishing affects them. A study is quoted about how water acidity also plays a role in the bleaching of corals. Lastly, restoration and conservation efforts are discussed and how we could possibly help our oceans.
...rs, disposing litter properly and much, much more. Cutting down on CO2 emissions causes the climate change and ocean acidification to be reduced. Planting trees, especially mangrove trees, close to the ocean or a river can also help the coral reefs. The mangrove trees absorb water, causing less siltation to happen. Trees also convert carbon dioxide (which causes climate change and ocean acidification) into oxygen, which we need to breathe in. You can also improve the current state of coral reefs by picking up any trash you see lying on the ground or in the ocean. It may not belong to you, but picking it up may save a fish or coral’s life. Spreading awareness to other people also has a significant, positive effect on the coral reefs, since more and more people then start doing all the things listed above, and a lot of small actions are just as good as one big action.
Coral reefs offer one of the most important aquatic biomes, making up only 1% of the ocean floor they provide shelter for about a quarter of marine life. In the past 40 years it has been observed that coral reefs have been declining due to pollution, global warming, sedimentation, overfishing, and pathogens. These stressors mainly increase CO2 concentrations, or ocean acidification, which lowers the calcification rate of corals. Increased ocean temperatures and excess CO2, leaves reefs prone to algae invasion and disease. However, restoration of these important habitats is possible, one of the greatest examples of ocean conservation happened on the east coast of Mexico’s Baja California Peninsula. Where
Coral reefs are very important! There are many books, educational movies and people who are trying to make the world be aware of the problems in our oceans. Anyone can start to help save the reefs by trying to stop all the harms that affect them and try to start using more energy efficient materials. Please take some time to learn more about how we can start taking care of the coral reefs and the many animal species that live in them. It is really fascinating. Another quote from the The Sixth Extinction is,”If you don’t have a building, where are the tenants going to go?” said Jack Silverman. This means that if there aren’t any coral reef, where will all of the animals in them go? That is something to really think about even in our oceans, which then affects our world.
As time progresses, climate change continues to grow and negatively affect the world that we live in. The planet’s climate is constantly alternating but is currently unstable and compared to the past, the current warming is rapidly increasing. Due to climate change, there in an increased amount of carbon dioxide that is released into the atmosphere which causes the oceans to become more acidic. The growing process of acidification can cause major problems for the world’s coral reefs by preventing corals from developing a calcified skeleton, which is crucial for their survival. Climate change causes water temperature to warm up which cause stress on corals since they are sensitive to temperature change. If water temperatures are higher than
If there is a new product out in the market, people buy it and use it every day without knowing where it comes from or how it was made, but people “love it, couldn’t live without it”. Carelessly using it and re buying without conserving, but what if this product disappeared and there was nothing else like it. Suddenly everything becomes harder and seems to be more difficult. There is only one solution to solve the problem, make people aware of what has been done to this meaningful product in life. What happens when no one else cares? People are not worried about their actions affecting things outside of their daily routines until it goes missing or becomes unavailable. Under these conditions is what is affecting coral reefs today.
In conclusion, I would like to say that before writing this paper, I had no idea how important coral reefs were to the earth. I have learned a lot and I think that if more people were informed about the positive capabilities of them, humans wouldn't be so careless about them.
Almost 40% of the world’s population lives within 100 km of a sea’s coast, benefiting from the environmental assets provided by coral reefs on the shore. The reefs house roughly 1/3 of all marine fish species, creating “biodiversity hotspots that generate an estimated $30 billion a year in revenue, mostly from fisheries and tourism” (Pennisi). It is estimated that some 500 million people depend on coral reefs in some way, with close to 30 million entirely dependent on the benefits of the reefs. But, keeping to the trend of irony in this world, one of the world’s most important ecosystems is on a sharp decline that may result in its ultimately devastating disappearance.