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According to The Guardian, a report compiled by 36 scientists from 18 countries for the Global Coral Reef Monitoring Network states that Caribbean coral reefs are in danger of disappearing, depriving the world of one of its most beautiful and productive ecosystems. Caribbean coral reefs \u2013 which make up one of the world\u2019s most colourful, vivid and productive ecosystems \u2013 are on the verge of collapse, with less than 10% of the reef area showing live coral cover.<\/p>\n
With so little growth left, the reefs are in danger of utter devastation unless urgent action is taken, conservationists warned. They said the drastic loss was the result of severe environmental problems, including over-exploitation, pollution from agricultural run-off and other sources, and climate change. The decline of the reefs has been rapid: in the 1970s, more than 50% showed live coral cover, compared with 8% in the newly completed survey.<\/p>\n
The scientists who carried it out warned there was no sign of the rate of coral death slowing. Coral reefs are a particularly valuable part of the marine ecosystem because they act as nurseries for younger fish, providing food sources and protection from predators until the fish have grown large enough to fend better for themselves. They are also a source of revenue from tourism and leisure. Carl Gustaf Lundin, director of the global marine and polar programme at the International Union for Conservation of Nature (IUCN), which published the research, said: \u201cThe major causes of coral decline are well known and include overfishing, pollution, disease and bleaching caused by rising temperatures resulting from the burning of fossil fuels. Looking forward, there is an urgent need to immediately and drastically reduce all human impacts [in the area] if coral reefs and the vitally important fisheries that depend on them are to survive in the decades to come.\u201d<\/p>\n
Warnings over the poor state of the world\u2019s coral reefs have become more frequent in the past decades as pollution, increasing pressure on fish stocks, and the effects of global warming on the marine environment \u2013 in the form of higher sea temperatures and slightly elevated levels of acidity in the ocean \u2013 have taken their toll. Last year, scientists estimated that 75% of the Caribbean\u2019s coral reefs were in danger, along with 95% of those in south-east Asia. That research, from the World Resources Institute, predicted that by 2050 virtually all of the world\u2019s coral reefs would be in danger. [. . .] On a few of the more remote Caribbean reefs, the situation is less dire.<\/p>\n
In the Netherlands Antilles, Cayman Islands and a few other places, the die-off has been slower, with up to 30% coverage of live coral still remaining. The scientists noted that these reefs were in areas less exposed to human impact from fishing and pollution, as well as to natural disasters such as hurricanes. For original post, see http:\/\/www.guardian.co.uk\/environment\/2012\/sep\/10\/caribbean-coral-reefs-collapse-environment Authors: ivetteromero<\/p>\n