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Global seaweed biogeography under a changing climate: The prospected effects of temperature
Bartsch, I.; Wiencke, C.; Laepple, T. (2012). Global seaweed biogeography under a changing climate: The prospected effects of temperature, in: Wiencke, C. et al. (Ed.) Seaweed biology: Novel insights into ecophysiology, ecology and utilization. Ecological Studies, 219: pp. 383-406
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 
  • Bartsch, I.
  • Wiencke, C.
  • Laepple, T.

Abstract
    Temperature is one of the most important factors controlling the biogeography of seaweeds. To identify worldwide prospective distributional shifts of major biogeographical regions under a global change scenario, we applied a macroecological modeling approach. We compared the borders of biogeographical regions between present and end of the century sea surface temperatures (SST) taken from global climate model simulations and drew conclusions for distributional changes. All regions will extend towards the poles. As a consequence, the tropical region will widen considerably. However, there will be almost no change in the northern extent of the Antarctic region. According to the model data, the annual SST gradient will change along extensive coastlines creating broad transitional regions, some of which contain high seaweed genus diversity. As a consequence, the structure of the seaweed assemblages in these biogeographical regions will probably be reorganized.

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