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Ocean acidification: the process, the future, and the past

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  • 1. Ocean Acidification: the Process, the Future, and the Past Mieke Vrijmoet Communicating Science to the Public Nov 5 2013
  • 2. The Mechanism Image courtesy NOAA, Monteray Bay National Marine Sanctuary
  • 3. - Why does a change in CO3 matter? Image courtesy US EPA
  • 4. Coral Reefs and Ocean Acidification Image courtesy Wikimedia Commons
  • 5. Will this happen everywhere? Image courtesy Wikimedia commons with data via GODAP and Global Oceans Atlas
  • 6. Paired with global warming…. ● Changes to range, community composition, and increased stress ● Possibility of coral bleaching
  • 7. So what does it mean for the future?
  • 8. Wait… this has happened before? Sharp decrease in calcium carbonate shows major decrease in calcifying organisms Source: Zachos, Science, 2005
  • 9. how do we know that?
  • 10. Can we stop it?
  • 11. Our future remains to be seen!
  • 12. Works Cited Ford, Mary S. (Jesse). “A 10 000-Yr History of Natural Ecosystem Acidification.” Ecological Monographs 60.1 (1990): 57–89. JSTOR. Web. 29 Oct. 2013. Goeij, Jasper M. de, and Fleur C. van Duyl. “Coral Cavities Are Sinks of Dissolved Organic Carbon (DOC).” Limnology and Oceanography 52.6 (2007): 2608–2617. Print. Hoegh-Guldberg, O. et al. “Coral Reefs Under Rapid Climate Change and Ocean Acidification.” Science 318.5857 (2007): 1737–1742. www.sciencemag.org. Web. 5 Nov. 2013. Kiessling, Wolfgang, and Carl Simpson. “On the Potential for Ocean Acidification to Be a General Cause of Ancient Reef Crises.” Global Change Biology 17.1 (2011): 56–67. EBSCOhost. Web. 5 Nov. 2013. Kroeker, Kristy J. et al. “Meta-analysis Reveals Negative yet Variable Effects of Ocean Acidification on Marine Organisms.” Ecology Letters 13.11 (2010): 1419– 1434. Wiley Online Library. Web. 5 Nov. 2013. Lebrato, M. et al. “From the Arctic to the Antarctic: The Major, Minor, and Trace Elemental Composition of Echinoderm Skeletons: Ecological Archives E094-127.” Ecology 94.6 (2013): 1434. Print. Mcleod, Elizabeth et al. “Preparing to Manage Coral Reefs for Ocean Acidification: Lessons from Coral Bleaching.” Frontiers in Ecology and the Environment 11.1 (2012): 20–27. ESA Journals. Web. 29 Oct. 2013.
  • 13. Works Cited (continued) Nikolaidis, Nikolaos P. et al. “Global Climate Change and Acidic Deposition.” Research Journal of the Water Pollution Control Federation 63.4 (1991): 735–746. Print. Orr, James C. et al. “Anthropogenic Ocean Acidification over the Twenty-first Century and Its Impact on Calcifying Organisms.” Nature 437.7059 (2005): 681–686. www.nature.com. Web. 29 Oct. 2013. Pandolfi, John M. “The Paleoecology of Coral Reefs.” Coral Reefs: An Ecosystem in Transition. Ed. Zvy Dubinsky and Noga Stambler. Dordrecht: Springer Netherlands, 2011. 13–24. CrossRef. Web. 29 Oct. 2013. Ries, Justin B., Anne L. Cohen, and Daniel C. McCorkle. “Marine Calcifiers Exhibit Mixed Responses to CO2-induced Ocean Acidification.” Geology 37.12 (2009): 1131–1134. geology.gsapubs.org. Web. 5 Nov. 2013. Wood, Hannah L., John I. Spicer, and Stephen Widdicombe. “Ocean Acidification May Increase Calcification Rates, but at a Cost.” Proceedings of the Royal Society B: Biological Sciences 275.1644 (2008): 1767–1773. rspb.royalsocietypublishing.org. Web. 5 Nov. 2013. Zachos, James C. et al. “Rapid Acidification of the Ocean During the Paleocene-Eocene Thermal Maximum.” Science 308.5728 (2005): 1611–1615. www. sciencemag.org. Web. 5 Nov. 2013.