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Ocean acidification: the other CO2 problem
Doney, S.C.; Fabry, V.J.; Feely, R.A.; Kleypas, J. (2009). Ocean acidification: the other CO2 problem, in: Carlson, C.A. et al. Ann. Rev. Mar. Sci. 1. Annual Review of Marine Science, 1: pp. 169-192. https://dx.doi.org/10.1146/annurev.marine.010908.163834
In: Carlson, C.A.; Giovannoni, S.J. (Ed.) (2009). Ann. Rev. Mar. Sci. 1. Annual Review of Marine Science, 1. Annual Reviews: Palo Alto. ISBN 978-0-8243-4501-3. 466 pp., more
In: Annual Review of Marine Science. Annual Reviews: Palo Alto, Calif. ISSN 1941-1405; e-ISSN 1941-0611, more
Peer reviewed article  

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Keyword
    Marine/Coastal
Author keywords
    biogeochemistry; calcification; carbon dioxide; climate change; coral;ecosystem

Authors  Top 
  • Doney, S.C.
  • Fabry, V.J.
  • Feely, R.A.
  • Kleypas, J.

Abstract
    Rising atmospheric carbon dioxide (CO2), primarily from human fossil fuel combustion, reduces ocean pH and causes wholesale shifts in seawater carbonate chemistry. The process of ocean acidification is well documented in field data, and the rate will accelerate over this century unless future CO2 emissions are curbed dramatically. Acidification alters seawater chemical speciation and biogeochemical cycles of many elements and compounds. One well-known effect is the lowering of calcium carbonate saturation states, which impacts shell-forming marine organisms from plankton to benthic molluses, echinoderms, and corals. Many calcifying species exhibit reduced calcification and growth rates in laboratory experiments under high-CO2 conditions. Ocean acidification also causes an increase in carbon fixation rates in some photosynthetic organisms (both calcifying and noncalcifying). The potential for marine organisms to adapt to increasing CO2 and broader implications for ocean ecosystems are not well known; both are high priorities for future research. Although ocean pH has varied in the geological past, paleo-events may be only imperfect analogs to current conditions.

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