Global Warming And Its Effects On The Coral Reefs Essay

Global Warming And Its Effects On The Coral Reefs Essay

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Climate change is predicted to become a major threat to biodiversity in the 21st century,
but accurate predictions and effective solutions have proved difficult to formulate(Terence P et al., 2011). Warmer and more acidic conditions inhibit coral calcification, carbonate precipitation, and submarine cementation; These effects are expected to reduce long-term rates of reef framework construction(Lauren et al., 2012).As global warming gradually becoming severe, it’s effects on the coral reefs also leads a critical concern about the diversity and quantity of coral reefs in Great Barrier. Great Barrier Reef is not only functioned as a beautiful landscape, but also an essential component of the coral reef ecosystem. Any change of could have a great impact on the fisheries, tourism, and coastal protection. Due to lower pH in the seawater which is the result of large amount of carbon dioxide in seawater, the coral calcification is decreasing. Coral calcification is a significant factor of the ecosystem of coral reefs; There is a huge number of fishes and other organisms relying on the complexity of the coral reefs. Some studies have showed that global warming has decreased the coral’s diversity(Glenn et al., 2009). At the same time, the increase in temperature around the coral reefs, could also lead to the death of corals and the removing of zooxanthellae which would result in the coral bleaching(Hughes et al., 2003).
Glenn and his colleagues have took 328 colonies of massive Porites collars from 69 reefs of Great Barrier Reef to study the change the coral reefs’ change of Great Barrier reef in Australia. Though their study, their data showed a strong decrease in calcification of Great Barrier Reef for the period 1990-2005(Fig.1). Fro...


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...r other aspects of Great Barrier Reef. Contemplating policies that result in [CO2]atm above 500 ppm appears extremely risky for coral reefs and the tens of millions of people who depend on them directly, even under the most optimistic circumstances(Hoegh-Guldberg et al., 2007). People have to take action to stop the steps of global warming. There are many experts predict the future of coral reefs without human action, for example: Without the stabilization of greenhouse gas concentrations, it seems inevitable that many of the world’s coral reefs will become nonaccreting habitats—they will, based on most common definitions, cease to be coral reefs(Mark 2015; Barbara 2015); Eakin :Unless there is concerted action to reduce greenhouse gases,” he warns, “bleaching will become increasingly common and not just during extraordinary weather events”(Dennis 2010).










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Global Warming And Its Effects On The Coral Reefs Essay

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