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  • Abundance per volume; BIOACID; Biological Impacts of Ocean Acidification; Biovolume; Day of experiment; Identification; Ratio; Sample code/label; Size fraction; Treatment  (1)
  • Ammonium; BIOACID; Biological Impacts of Ocean Acidification; DATE/TIME; Day of experiment; Identification; Nitrate and Nitrite; Nitrogen, organic, particulate; Nitrogen, total; Phosphate; Phosphorus, organic, particulate; Phosphorus, total; Silicate; Silicon; Treatment  (1)
  • Ammonium; Baltic Sea; BIOACID; Biological Impacts of Ocean Acidification; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; Carbon, organic, particulate/Phosphorus, organic, particulate ratio; Carbon dioxide, partial pressure; Climate change; CO2; DATE/TIME; Day of experiment; grazing; Kiel_Bight_2014; MESO; Mesocosm experiment; Mesocosm label; Nitrate and Nitrite; Nitrogen, organic, particulate/Phosphorus, organic, particulate ratio; Nitrogen, total dissolved; Oxygen; Phytoplankton; Salinity; Silicate; Temperature, water; Treatment: partial pressure of carbon dioxide; Treatment: temperature description; warming  (1)
  • PANGAEA  (3)
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Keywords
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  • PANGAEA  (3)
Years
  • 1
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    Mesocosm experiment on warming and acidification effects in 2012: Nutrients and elemental composition (2014)
    PANGAEA
    Details
    Publication Date: 2023-04-25
    Keywords: Ammonium; BIOACID; Biological Impacts of Ocean Acidification; DATE/TIME; Day of experiment; Identification; Nitrate and Nitrite; Nitrogen, organic, particulate; Nitrogen, total; Phosphate; Phosphorus, organic, particulate; Phosphorus, total; Silicate; Silicon; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 1653 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Warming and acidification effects on planktonic heterotrophic pico- and nanoflagellates in a mesocosm experiment (2016)
    PANGAEA
    In:  Supplement to: Moustaka-Gouni, Maria; Kormas, Konstantinos A; Scotti, Marco; Vardaka, S; Sommer, Ulrich (2016): Warming and Acidification Effects on Planktonic Heterotrophic Pico- and Nanoflagellates in a Mesocosm Experiment. Protist, 167(4), 389-410, https://doi.org/10.1016/j.protis.2016.06.004
    Details
    Publication Date: 2023-07-11
    Description: We studied the response of the heterotrophic flagellate (HF) community to the combined impact of warming and ocean acidification in a mesocosm experiment with a plankton community from the west- ern Baltic Sea. We performed a quantitative analysis of the response at the level of total biomass and size classes and a semi-quantitative one at the level of individual taxa. Total biomass of HF was significantly lower under higher temperatures while there was no significant effect of CO2. The mean biomass of the picoflagellates did not respond to temperature while the three nanoflagellate size classes (class limits 3, 5, 8, 15 m) responded negatively to warming while not responding to CO2. The taxon-level results indicate that heterotrophic flagellates do not form a homogenous trophic guild, as often assumed in pelagic food web studies. Instead, the heterotrophic flagellates formed a “food web within the food web”. There was a pronounced succession of flagellates leading from a dominance of bacterivores and colloidal matter feeders before the phytoplankton bloom to omnivorous feeders preying upon phy- toplankton and heterotrophic flagellates during and after the bloom. This complex intraguild predation patterns probably dampened the response to experimental treatments.
    Keywords: Abundance per volume; BIOACID; Biological Impacts of Ocean Acidification; Biovolume; Day of experiment; Identification; Ratio; Sample code/label; Size fraction; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 7656 data points
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    DATA PANGAEA
  • 3
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    Temperature, salinity, CO2, dissolved inorganic nutrients, plankton stoichiometry of indoor mesocosm experiment 2014 (2021)
    PANGAEA
    Details
    Publication Date: 2024-03-22
    Description: Previous studies with Baltic Sea phytoplankton combining elevated seawater temperature with CO2 revealed the importance of size trait-based analyses, in particular dividing the plankton in-to edible (〉 5 and 〈 100 µm) and inedible (〈 5 and 〉 100 µm) size classes for mesozoopankton grazers. While the edible phytoplankton responded predominantly negative to warming and the inedible group stayed unaffected or increased, independent from edibility most phyto-plankton groups gained from CO2. Because the ratio between edible and inedible taxa changes profoundly over seasons, we investigated, if community responses can be predicted according to the prevailing composition of edible and inedible groups. We experimentally explored the combined effects of elevated temperatures and CO2 concentrations on a late-summer Baltic Sea community. Total phytoplankton significantly increased in response to elevated CO2 in particu-lar in combination with temperature, driven by a significant gain of the inedible 〈 5 µm fraction and large filamentous cyanobacteria. Large flagellates disappeared. The edible group was low as usual in summer and decreased with both factors due to enhanced copepod grazing and overall decline of small flagellates. Our results emphasize that the responses of summer communities are complex, but can be predicted by the composition and dominance of size classes and groups.
    Keywords: Ammonium; Baltic Sea; BIOACID; Biological Impacts of Ocean Acidification; Carbon, organic, particulate/Nitrogen, organic, particulate ratio; Carbon, organic, particulate/Phosphorus, organic, particulate ratio; Carbon dioxide, partial pressure; Climate change; CO2; DATE/TIME; Day of experiment; grazing; Kiel_Bight_2014; MESO; Mesocosm experiment; Mesocosm label; Nitrate and Nitrite; Nitrogen, organic, particulate/Phosphorus, organic, particulate ratio; Nitrogen, total dissolved; Oxygen; Phytoplankton; Salinity; Silicate; Temperature, water; Treatment: partial pressure of carbon dioxide; Treatment: temperature description; warming
    Type: Dataset
    Format: text/tab-separated-values, 3394 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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