The Bleaching Of Coral And Its Effects On Human Activities

Corals are greatly complex organisms that help buffer the ocean and provided an ecosystem for many other marine organisms but the coral and therefore these ecosystems are in immense threat. The decrease of coral cover is increasing with a 50% decrease seen from the years 1985-2012 (1). This is not just due to the natural threats of predators like COTS and large scale weather events like cyclones but also due to human activities such as overfishing, pollution, disturbance in the reef and global warming. The bleaching of coral due to natural activities can be hard to control but the negative effects caused by human activities can be. Although if the reefs have any hope of recovery drastic actions needs to be taken to reduce carbon emissions, and to control policing and protection of these areas. COTS Outbreaks COTS or Crown of Thorn Starfish are important to the reefs ecosystems to maintain numbers fasting growing specie of coral by eating them to allow slower growing corals to grow creating a more diverse ecosystem (2). But due to large scale outbreak of COTS the negative effects of too much coral decline has been seen and with the 50% decrease of coral seen over the last 30 years COTS have been responsible for 25% of it (3). The overgrazing of the coral by these Starfish and their negative effects on the corals has seen them become a real threat to the ecosystem this correlation can be seen in graph 1. Overfishing Fishing on the Great Barrier Reef both recreational andShow MoreRelated The Effects of Global Warming On Coral Reefs Essay976 Words   |  4 PagesThe Effects of Global Warming On Coral Reefs Graphs Missing Introduction: The effects of global warming touch every human, animal, plant, ocean, landmass, and atmosphere level on this planet. 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