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 Press Links and Other Online Documents


(10 Jul 2006) Corals Fighting Effects of Fossil Fuel (The Citizen): "..."This is an almost three-fold increase in the rate of increase of the greenhouse gas carbon dioxide. Of great concern is the fact that there is no sign that this rate of increase is going to slow down any time soon," said Chris Langdon, one of the authors of the study and a professor with the University of Miami's Rosenstiel School of Marine and Atmospheric Science. "This is not like bleaching that can kill corals outright. This is more of a debilitating and chronic condition, like arthritis and or osteoporosis. It reduces their fitness and makes them more susceptible to other forms of stress. The only solution, he said, is to curb carbon dioxide emissions, which causes the ocean's warming and acidification." (,1770,39370-1;48232-3,00.html)

(10 Jul 2006) Ailing Reefs Face New Threat of Acidity (Inter Press Service News Agency):: " Climate change is making the world's oceans more acidic, seriously endangering marine ecosystems, including coral reefs. ... Other experiments show coral reefs forming much less dense skeletons, a process similar to osteoporosis in humans, said Chris Langdon of the University of Miami." (,1770,39370-1;48234-3,00.html)

(6 Jul 2006) Rising Ocean Acidity Threatens Reefs (Discovery Channel News): The same manmade gases that are heating up the planet are also making oceans acidic enough to dissolve the skeletons and shells of many marine organisms, according to a new scientific report released Wednesday. ... It could also pose a critical problem for coastlines protected by coral reefs, said Chris Langdon, a coral researcher at the University of Miami."(,1770,39370-1;48158-3,00.html)

(6 Jul 2006) Effects of Climate Change on Oceans Gaining Attention (Seattle Post-Intelligencer): "...Coral reefs are like the rain forests of the ocean," noted co-author Chris Langdon, a coral expert at the University of Miami. Acidification of seawater undermines the skeletal structures of coral, Langdon said, which in turn undermines this basic marine ecosystem and harms other species that have evolved to depend upon it." (,1770,39370-1;48233-3,00.html)

(5 Jul 2006) Report Warns of Rising Carbon Dioxide Threats to Marine Life (NSF News): "Worldwide emissions of carbon dioxide from fossil fuel burning are dramatically altering ocean chemistry and threatening marine organisms, including corals, that secrete skeletal structures and help support ocean biodiversity. .... This threat is hitting coral reefs at the same time that they are being hit by warming-induced mass bleaching events," says Chris Langdon at the University of Miami, one of the report's authors." (

(5 Jul 2006) Growing Acidity of Oceans May Kill Corals (Washington Post): The ph level for the world's oceans was stable between 1000 and 1800, but has dropped one-tenth of a unit since the Industrial Revolution, according to Christopher Langdon, a University of Miami marine biology professor." (,1770,39370-1;48118-3,00.html).

(5 Jul 2006) Fossil Fuels Said to Damage Ocean Life (The New York Times): Corals and other marine creatures are threatened by chemical changes in the ocean caused by the carbon dioxide from burning fossil fuels, a panel of scientists warned Wednesday. ... Chris Langdon at the University of Miami said studies show that coral calcification consistently decreases as the oceans become more acidic. That means these organisms will grow more slowly, or their skeletons will become less dense, a process similar to osteoporosis in humans. That threatens reefs because corals may be unable to build reefs as fast as erosion wears away the reefs." (,1770,39370-1;48157-3,00.html)

(21 Jun 2006) "Coral Reefs in Peril (Miami Herald): Global in scope and chronic in nature, ocean acidification significantly reduces the ability of reef-building corals to produce their skeletons." (

(7 Feb 2006) Oceanic Acidity (RSMAS Press): "The ocean is getting more and more acidic, and that's bad news for coral reefs. That's the word from University of Miami Rosenstiel School's Dr. Christopher Langdon who will speak on “Possible Consequences of Increasing Atmospheric CO2 on Coral Reef Ecosystems,” Monday, Feb. 20 at 3 p.m. HST (8 p.m. EST) in Honolulu at the American Geophysical Union's 2006 Ocean Sciences Meeting."  (RSMAS Press Release, 17 Feb 2006)


(13 Oct 2005) "SDC Host Environmental Experts. A team of professors and deans from three of America's top universities was being hosted in Antigua by Stanford Development Co. Ltd. (SDC) as part of an ongoing study of the island's offshore ecosystem. Included in the team were Dean of the University of Miami's Rosenstiel School of Marine and Atmospheric Science Otis Brown and the University's Associate Dean Jay Blaire. Coral Reef and Fish experts John and Liana McManus, of the University of Miami..." (click here to read more on this at

(14 Sep14 2005) "Coral Reef Survival: New Research predicts the damage from increased carbon dioxide in the ocean...'The ocean is known to absorb carbon dioxide, causing measurable changes in seawater chemistry of the surface ocean,' said Chris Langdon, associate director of the National Center for Caribbean Coral Reef Research at the University of Miami's Rosenstiel School of Marine and Atmospheric Science and one of the paper's authors. 'If this process continues to increase at the current rate, we expect carbon dioxide levels (and consequently the acidity of the ocean) to increase 200-300 percent in the next 50-100 years, so it is important to learn how these changes might affect marine ecosystems.'"
(read more on this at

(6 Aug 2005)..."McManus speaks about the importance of marine life: Professor John W. McManus, Director of the University of Miami's National Center for Caribbean Coral Reef Research and doctoral candidate Cathleen Bliss made a dynamic presentation about Antigua's coastal reefs to local students..." [click here to read more on this special feature from Antigua Sun Weekend Magazine]

(5 Aug 2005)..."Coral Reefs can make a full recovery: Dr. McManus: ... McManus said, he was very excited about what he saw in the Antiguan waters. "We're finding promising signs of a recovering reef in the North Sound, and are impressed with the efforts of the government to tackle head-on the difficult challenges of restoring this valuable natural resource."...[read more on this at]


(6 Feb 2004)... "Later this year, Cayman's reefs will be the basis for two PhDs that will work to better understand how coral reefs function....The Central Caribbean Marine Institute (CCMI) has granted Marilyn Brandt, a University of Miami PhD student, the CCMI Coral Reef Fellowship....CCMI is also assisting research by Aletta T Yniguez, a native of the Philippines, and Fulbright Scholar at the University of Miami. Using her work on Little Cayman, she plans to develop a computer model that shows 3D macroalgae growing as they respond to their environment of light, nutrients and the space around them."....[read more on this at]


(22 July 2003)..."Caribbean Corals in Dire Trouble: Corals are rapidly disappearing from reefs in the Caribbean...John McManus, director of the National Center for Caribbean Coral Reef Research at the University of Miami in Florida, said that the results of this study are consistent with the extrapolations he and others have made in recent years, but he nevertheless finds this study's results and those of others depressing. "I set up and ran ReefBase for a while—the global database on coral reefs. I felt like I was something like an editor of obituaries," he said." [read more on this at]

(12 Sep 12 2003)..."The National Center for Caribbean Coral Reef Research (NCORE) has recently sent a team of graduate students down to the Punta Cana region on the southeastern coast of the Dominican Republic where they completed a week long coral reef survey."....[read more on this at]


(24 Aug 2001)..."When the water gets hot, you get massive coral mortality," said Dr. John McManus, director of the National Center for Caribbean Coral Reef Research at the University of Miami's Rosenstiel School of Marine and Atmospheric Research. "We saw areas where for tens or hundreds of kilometers, there was 90 percent death. Total global coral mortality may have been as high as 20 percent." ....[read more on this at]

   Online Documents

  • Research Priorities for the Caribbean: Workshop Report [pdf file]

  • Future of Decision Support for Coral Reef Management: Agent-based Modeling and Interdisciplinary Research [pdf file]

  • Collection of pictures from the Reefs at Risk workshop of October 2002 [click here to view]


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