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  • Amphora sp.; Amphora sp., biovolume; AQUACOSM; artificial upwelling; Calculated; Canarias Sea; carbon dioxide removal; CDRmare; Cerataulina pelagica; Cerataulina pelagica, biovolume; Chaetoceros cf. aequatorialis; Chaetoceros cf. aequatorialis, biovolume; Chaetoceros cf. compressus; Chaetoceros cf. compressus, biovolume; Chaetoceros cf. curvisetus; Chaetoceros cf. curvisetus, biovolume; Chaetoceros cf. lauderi; Chaetoceros cf. lauderi, biovolume; Chaetoceros cf. lorenzianus; Chaetoceros cf. lorenzianus, biovolume; Chaetoceros cf. tenuissimus; Chaetoceros cf. tenuissimus, biovolume; Chaetoceros decipiens; Chaetoceros decipiens, biovolume; Chaetoceros densus; Chaetoceros densus, biovolume; Chrysochromulina sp.; Chrysochromulina sp., biovolume; Climacodium cf. frauenfeldianum; Climacodium cf. frauenfeldianum, biovolume; Coccolithophoridae, biovolume; Coccolithophoridae, total; Coscinodiscus cf. pavillardii; Coscinodiscus cf. pavillardii, biovolume; Coscinodiscus sp.; Coscinodiscus sp., biovolume; Cylindrotheca closterium; Cylindrotheca closterium, biovolume; Cylindrotheca sp.; Cylindrotheca sp., biovolume; Dactyliosolen cf. blavyanus; Dactyliosolen cf. blavyanus, biovolume; Dactyliosolen cf. fragilissimus; Dactyliosolen cf. fragilissimus, biovolume; DAM CDRmare - Test-ArtUp: Road testing ocean artificial upwelling; DATE/TIME; Day of experiment; diatoms; Diatoms; Diatoms, biovolume; Dictyocha fibula; Dictyocha fibula, biovolume; Diploneis sp.; Diploneis sp., biovolume; Event label; Flagellates; Flagellates, biovolume; Flagellates indeterminata, oval; Flagellates indeterminata, oval, biovolume; GC2019; Guinardia delicatula; Guinardia delicatula, biovolume; Guinardia striata; Guinardia striata, biovolume; Hemiaulus cf. sinensis; Hemiaulus cf. sinensis, biovolume; KOSMOS; KOSMOS_2019; KOSMOS_2019_Mesocosm-M1; KOSMOS_2019_Mesocosm-M2; KOSMOS_2019_Mesocosm-M3; KOSMOS_2019_Mesocosm-M4; KOSMOS_2019_Mesocosm-M5; KOSMOS_2019_Mesocosm-M6; KOSMOS_2019_Mesocosm-M7; KOSMOS_2019_Mesocosm-M8; KOSMOS Gran Canaria; Leptocylindrus danicus; Leptocylindrus danicus, biovolume; Leptocylindrus minimus; Leptocylindrus minimus, biovolume; Licmophora sp.; Licmophora sp., biovolume; MESO; Mesocosm experiment; Mesocosm label; Microscopy; Minutocellus polymorphus; Minutocellus polymorphus, biovolume; negative emission technology; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; Nitzschia cf. acicularis; Nitzschia cf. acicularis, biovolume; Number of taxa; Ocean Artificial Upwelling; Ocean-artUp; ocean fertilization; Phaeocystis cf. globosa; Phaeocystis cf. globosa, biovolume; Phaeocystis sp.; Phaeocystis sp., biovolume; Phase description; Phytoplankton, biovolume; Phytoplankton, total; Pielou evenness index; plankton community; Pleurosigma sp.; Pleurosigma sp., biovolume; Proboscia sp.; Proboscia sp., biovolume; Pseudo-nitzschia delicatissima; Pseudo-nitzschia delicatissima, biovolume; Pseudo-nitzschia pungens; Pseudo-nitzschia pungens, biovolume; Pseudo-nitzschia sp.; Pseudo-nitzschia sp., biovolume; Pseudo-nitzschia subcurvata; Pseudo-nitzschia subcurvata, biovolume; Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways; Rhizosolenia cf. imbricata; Rhizosolenia cf. imbricata, biovolume; Rhizosolenia cf. setigera; Rhizosolenia cf. setigera, biovolume; Rhizosolenia sp.; Rhizosolenia sp., biovolume; Shannon Diversity Index; Si:N; silicic acid; Skeletonema sp.; Skeletonema sp., biovolume; Striatella cf. unipunctata; Striatella cf. unipunctata, biovolume; Sum; Test-ArtUp; Treatment  (1)
  • BIOACID; Biological Impacts of Ocean Acidification; KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment  (1)
Document type
Keywords
Publisher
Years
  • 1
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    Unknown
    KOSMOS Finland 2012 mesocosm study: Relative fatty acid composition and biomass of a natural plankton community in the Baltic Sea
    PANGAEA
    In:  Supplement to: Bermúdez Monsalve, Rafael; Winder, Monika; Almén, Anna-Karin; Engström-Öst, Jonna; Riebesell, Ulf (2016): Effect of ocean acidification on the structure and fatty acid composition of a natural plankton community in the Baltic Sea. Biogeosciences, 13(24), 6625-6635, https://doi.org/10.5194/bg-13-6625-2016
    Details
    Publication Date: 2023-05-12
    Description: Increasing atmospheric carbon dioxide (CO2) is changing seawater chemistry towards reduced pH, which consequently affects various properties of marine organisms. Coastal and brackish water communities are expected to be less affected by ocean acidification (OA) as these communities are typically adapted to high fluctuations in CO2 and pH. Here we investigate the response of a coastal brackish water plankton community to increasing CO2 levels as projected for the coming decades and the end of this century in terms of community and biochemical fatty acid (FA) composition. A Baltic Sea plankton community was enclosed in a set of off-shore mesocosms and subjected to a CO2 gradient ranging from natural concentrations (~347 µatm fCO2) up to values projected for the year 2100 (~1333 µatm fCO2). We show that the phytoplankton community composition was resilient to CO2 and did not diverge between the treatments. Seston FA composition was influenced by community composition, which in turn was driven by silicate and phosphate limitation in the mesocosms, and showed no difference between the CO2 treatments. These results suggest that CO2 effects are dampened in coastal communities that already experience high natural fluctuations in pCO2. Although this coastal plankton community was tolerant to high pCO2 levels, hypoxia and CO2 uptake by the sea can aggravate acidification and may lead to pH changes outside the currently experienced range for coastal organisms.
    Keywords: BIOACID; Biological Impacts of Ocean Acidification; KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Unknown
    KOSMOS mesocosm experiment Gran Canaria 2019 on testing the effect of nutrient composition (Si:N) during artificial upwelling: phytoplankton microscopy (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-29
    Description: Abundance and biovolume data of the community of larger phytoplankton from the mesocosm experiment conducted in the Canary Islands in autumn 2019. Depth-integrated (0-2.5m) water samples were taken in 2-days intervals over the course of 33 days and autotrophic taxa assessed to the lowest taxonomic level possible using Utermöhl microscopy. Only taxa larger than approx. 〉5 µm could be considered with this method. Biovolume was calculated based on geometrical measurements (dominant taxa) or the literature (rare taxa). Carbon biomass estimates were purposefully not provided, as the standard literature conversion factors from biovolume to carbon biomass did not apply to many of our samples, likely due to low carbon density within cells. Predominantly mixotrophic or heterotrophic taxa are not provided in this dataset. The upwelling treatment started on day 6. Methodological details in Goldenberg et al. (doi:10.3389/fmars.2022.1015188).
    Keywords: Amphora sp.; Amphora sp., biovolume; AQUACOSM; artificial upwelling; Calculated; Canarias Sea; carbon dioxide removal; CDRmare; Cerataulina pelagica; Cerataulina pelagica, biovolume; Chaetoceros cf. aequatorialis; Chaetoceros cf. aequatorialis, biovolume; Chaetoceros cf. compressus; Chaetoceros cf. compressus, biovolume; Chaetoceros cf. curvisetus; Chaetoceros cf. curvisetus, biovolume; Chaetoceros cf. lauderi; Chaetoceros cf. lauderi, biovolume; Chaetoceros cf. lorenzianus; Chaetoceros cf. lorenzianus, biovolume; Chaetoceros cf. tenuissimus; Chaetoceros cf. tenuissimus, biovolume; Chaetoceros decipiens; Chaetoceros decipiens, biovolume; Chaetoceros densus; Chaetoceros densus, biovolume; Chrysochromulina sp.; Chrysochromulina sp., biovolume; Climacodium cf. frauenfeldianum; Climacodium cf. frauenfeldianum, biovolume; Coccolithophoridae, biovolume; Coccolithophoridae, total; Coscinodiscus cf. pavillardii; Coscinodiscus cf. pavillardii, biovolume; Coscinodiscus sp.; Coscinodiscus sp., biovolume; Cylindrotheca closterium; Cylindrotheca closterium, biovolume; Cylindrotheca sp.; Cylindrotheca sp., biovolume; Dactyliosolen cf. blavyanus; Dactyliosolen cf. blavyanus, biovolume; Dactyliosolen cf. fragilissimus; Dactyliosolen cf. fragilissimus, biovolume; DAM CDRmare - Test-ArtUp: Road testing ocean artificial upwelling; DATE/TIME; Day of experiment; diatoms; Diatoms; Diatoms, biovolume; Dictyocha fibula; Dictyocha fibula, biovolume; Diploneis sp.; Diploneis sp., biovolume; Event label; Flagellates; Flagellates, biovolume; Flagellates indeterminata, oval; Flagellates indeterminata, oval, biovolume; GC2019; Guinardia delicatula; Guinardia delicatula, biovolume; Guinardia striata; Guinardia striata, biovolume; Hemiaulus cf. sinensis; Hemiaulus cf. sinensis, biovolume; KOSMOS; KOSMOS_2019; KOSMOS_2019_Mesocosm-M1; KOSMOS_2019_Mesocosm-M2; KOSMOS_2019_Mesocosm-M3; KOSMOS_2019_Mesocosm-M4; KOSMOS_2019_Mesocosm-M5; KOSMOS_2019_Mesocosm-M6; KOSMOS_2019_Mesocosm-M7; KOSMOS_2019_Mesocosm-M8; KOSMOS Gran Canaria; Leptocylindrus danicus; Leptocylindrus danicus, biovolume; Leptocylindrus minimus; Leptocylindrus minimus, biovolume; Licmophora sp.; Licmophora sp., biovolume; MESO; Mesocosm experiment; Mesocosm label; Microscopy; Minutocellus polymorphus; Minutocellus polymorphus, biovolume; negative emission technology; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; Nitzschia cf. acicularis; Nitzschia cf. acicularis, biovolume; Number of taxa; Ocean Artificial Upwelling; Ocean-artUp; ocean fertilization; Phaeocystis cf. globosa; Phaeocystis cf. globosa, biovolume; Phaeocystis sp.; Phaeocystis sp., biovolume; Phase description; Phytoplankton, biovolume; Phytoplankton, total; Pielou evenness index; plankton community; Pleurosigma sp.; Pleurosigma sp., biovolume; Proboscia sp.; Proboscia sp., biovolume; Pseudo-nitzschia delicatissima; Pseudo-nitzschia delicatissima, biovolume; Pseudo-nitzschia pungens; Pseudo-nitzschia pungens, biovolume; Pseudo-nitzschia sp.; Pseudo-nitzschia sp., biovolume; Pseudo-nitzschia subcurvata; Pseudo-nitzschia subcurvata, biovolume; Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways; Rhizosolenia cf. imbricata; Rhizosolenia cf. imbricata, biovolume; Rhizosolenia cf. setigera; Rhizosolenia cf. setigera, biovolume; Rhizosolenia sp.; Rhizosolenia sp., biovolume; Shannon Diversity Index; Si:N; silicic acid; Skeletonema sp.; Skeletonema sp., biovolume; Striatella cf. unipunctata; Striatella cf. unipunctata, biovolume; Sum; Test-ArtUp; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 14416 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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