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  • Course of study: MSc Biological Oceanography  (1)
  • Alkalinity, total; Aragonite saturation state; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Calcification/Dissolution; Calcite saturation state; Calculated; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chromista; Emiliania huxleyi; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gephyrocapsa oceanica; Growth/Morphology; Growth rate; Haptophyta; Laboratory experiment; Laboratory strains; North Atlantic; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Particulate inorganic carbon/particulate organic carbon ratio; Particulate inorganic carbon production per cell; Particulate organic carbon production per cell; Pelagos; pH; Phytoplankton; Potentiometric titration; Primary production/Photosynthesis; Salinity; Single species; Species; Temperature; Temperature, water
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  • 1
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    The combined effect of global warming and ocean acidification on the coccolithophore Gephyrocapsa oceanica carbon production and physiology (2010)
    In:  (Master thesis), Christian-Albrechts-Universität zu Kiel, Kiel, Germany, 50 pp
    Details
    Publication Date: 2022-01-07
    Description: Climate change is expected to impact oceanic ecosystem functioning in the upcoming decades, ocean acidification and global warming being the most important factors which will shape the future ocean dynamics (Jackson 2008). In the experiments presented here we used an innovative approach that consisted of extending the number of treatments across a wide range of carbon dioxide partial pressure (pC02) levels and two temperatures which allowed to test lower and upper thresholds of biological production. Growth, calcification and POC production rates showed an optimum curve response to increasing pC02, with an almost doubling in production rates at 20CC and opt imum rates for pC02 levels of ~290-599 μatm at 15CC and ~488-1052 μatm pC02 at 20CC. PIC and POC cellular quotas showed changes to increasing pC02 but no effect from increasing temperature. Results obtained from the combined effect of global warming and increasing pC02 from these experiments might contribute to shape biogeochemical modeling formulations in the near future.
    Keywords: Course of study: MSc Biological Oceanography
    Type: Thesis , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Thesis - not published by a publisher
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