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Seaweed responses to ocean acidification
Roleda, M.Y.; Hurd, C.L. (2012). Seaweed responses to ocean acidification, in: Wiencke, C. et al. (Ed.) Seaweed biology: Novel insights into ecophysiology, ecology and utilization. Ecological Studies, 219: pp. 407-431
In: Wiencke, C.; Bischof, K. (Ed.) (2012). Seaweed biology: Novel insights into ecophysiology, ecology and utilization. Ecological Studies, 219. Springer-Verlag: Berlin, Heidelberg. ISBN 978-3-642-28450-2. xiii, 510 pp., more
In: Heldmaier, G. et al. (Ed.) Ecological Studies. Springer: Heidelberg; Berlin. ISSN 0070-8356, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Roleda, M.Y.
  • Hurd, C.L.

Abstract
    Ocean acidification (OA) is the decline in seawater pH caused by the sustained absorption by the oceans of anthropogenically produced atmospheric CO2. The consequences of OA to seaweed-based coastal ecosystems range from organismal to community levels of biological organization. Organismal responses can be species specific, depending on their carbon physiology, mode of calcification, and morphology (functional form). At the community scale, changes in community structure and function can have severe consequences on trophic dynamics. Biologically driven fluctuations in seawater carbonate chemistry are observed from micro- (diffusion boundary layer, DBL) to mesoscales (e.g., within a kelp forest), and such fluctuations may be exacerbated by OA. The synergistic effects of elevated CO2 with other human-induced environmental stressors (e.g., warming, eutrophication, and UVR) could make the primary producers of coastal ecosystems vulnerable to global climate change; some species may perform better than others under “greenhouse” conditions, leading to community phase shifts.

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