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  • AQUACOSM; artificial upwelling; Canarias Sea; carbon dioxide removal; CDRmare; Ciliates, heterotrophic; Ciliates, heterotrophic, biomass as carbon; Copepoda; Copepoda, biomass as carbon; Copepoda, nauplii; DAM CDRmare - Test-ArtUp: Road testing ocean artificial upwelling; DATE/TIME; Day of experiment; Depth, water, experiment, bottom/maximum; Depth, water, experiment, top/minimum; diatoms; Dinoflagellates; Dinoflagellates, biomass as carbon; Domoic acid; Domoic acid per unit mass particulate organic carbon; Event label; Field experiment; GC2019; 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; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Mesozooplankton; Mesozooplankton, biomass as carbon; negative emission technology; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; Ocean Artificial Upwelling; Ocean-artUp; ocean fertilization; Phase description; plankton food web; Protista, heterotrophic; Protista, heterotrophic, biomass as carbon; Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways; Size fraction 〉 500 µm; Size fraction 〉 55 µm; Size fraction 200-500 µm; Size fraction 55-200 µm; Test-ArtUp; Treatment; trophic transfer; Type of study  (1)
  • Alkalinity, total; Aragonite saturation state; Baltic Sea; Bicarbonate ion; BIOACID; Biological Impacts of Ocean Acidification; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; DATE/TIME; Day of experiment; Dissolved silica, colorimetric (Mullin & Riley, 1955); Entire community; Field experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment; Mesocosm label; Mesocosm or benthocosm; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phase; Phosphorus, inorganic, dissolved; Primary production, carbon assimilation (24 hr.), integrated; Primary production/Photosynthesis; Respiration; Respiration rate, oxygen; Salinity; Silicate; Temperate; Temperature, water; Type  (1)
  • 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; DATE/TIME; Day of experiment; KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment; Mesocosm label; Phase; Primary production, carbon assimilation (24 hr.), integrated; Respiration rate, oxygen  (1)
  • PANGAEA  (4)
  • GEOMAR
Publikationsart
Schlagwörter
Verlag/Herausgeber
  • PANGAEA  (4)
  • GEOMAR
Erscheinungszeitraum
  • 1
    facet.materialart.
    Unbekannt
    KOSMOS Finland 2012 mesocosm study: primary production and respiration (2016)
    PANGAEA
    In:  Finnish Environment Institute | Supplement to: Spilling, Kristian; Paul, Allanah Joy; Virkkala, Niklas; Hastings, Tom; Lischka, Silke; Stuhr, Annegret; Bermúdez Monsalve, Rafael; Czerny, Jan; Boxhammer, Tim; Schulz, Kai Georg; Ludwig, Andrea; Riebesell, Ulf (2016): Ocean acidification decreases plankton respiration: evidence from a mesocosm experiment. Biogeosciences, 13(16), 4707-4719, https://doi.org/10.5194/bg-13-4707-2016
    Details
    Publikationsdatum: 2024-07-20
    Beschreibung: Anthropogenic carbon dioxide (CO2) emissions are reducing the pH in the world's oceans. The plankton community is a key component driving biogeochemical fluxes, and the effect of increased CO2 on plankton is critical for understanding the ramifications of ocean acidification on global carbon fluxes. We determined the plankton community composition and measured primary production, respiration rates and carbon export (defined here as carbon sinking out of a shallow, coastal area) during an ocean acidification experiment. Mesocosms (~ 55 m3) were set up in the Baltic Sea with a gradient of CO2 levels initially ranging from ambient (~ 240 µatm), used as control, to high CO2 (up to ~ 1330 µatm). The phytoplankton community was dominated by dinoflagellates, diatoms, cyanobacteria and chlorophytes, and the zooplankton community by protozoans, heterotrophic dinoflagellates and cladocerans. The plankton community composition was relatively homogenous between treatments. Community respiration rates were lower at high CO2 levels. The carbon-normalized respiration was approximately 40 % lower in the high CO2 environment compared with the controls during the latter phase of the experiment. We did not, however, detect any effect of increased CO2 on primary production. This could be due to measurement uncertainty, as the measured total particular carbon (TPC) and combined results presented in this special issue suggest that the reduced respiration rate translated into higher net carbon fixation. The percent carbon derived from microscopy counts (both phyto- and zooplankton), of the measured total particular carbon (TPC) decreased from ~ 26 % at t0 to ~ 8 % at t31, probably driven by a shift towards smaller plankton (〈 4 µm) not enumerated by microscopy. Our results suggest that reduced respiration lead to increased net carbon fixation at high CO2. However, the increased primary production did not translate into increased carbon export, and did consequently not work as a negative feedback mechanism for increasing atmospheric CO2 concentration.
    Schlagwort(e): BIOACID; Biological Impacts of Ocean Acidification; DATE/TIME; Day of experiment; KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment; Mesocosm label; Phase; Primary production, carbon assimilation (24 hr.), integrated; Respiration rate, oxygen
    Materialart: dataset
    Format: text/tab-separated-values, 1218 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATA PANGAEA
  • 2
    facet.materialart.
    Unbekannt
    KOSMOS mesocosm experiment Gran Canaria 2019 on testing the effect of nutrient composition (Si:N) during artificial upwelling: phytoplankton microscopy (2023)
    PANGAEA
    Details
    Publikationsdatum: 2024-07-19
    Beschreibung: 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).
    Schlagwort(e): 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
    Materialart: dataset
    Format: text/tab-separated-values, 14416 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATA PANGAEA
  • 3
    facet.materialart.
    Unbekannt
    Ocean acidification decreases plankton respiration: evidence from a mesocosm experiment (2016)
    PANGAEA
    Details
    Publikationsdatum: 2024-07-22
    Schlagwort(e): Alkalinity, total; Aragonite saturation state; Baltic Sea; Bicarbonate ion; BIOACID; Biological Impacts of Ocean Acidification; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; DATE/TIME; Day of experiment; Dissolved silica, colorimetric (Mullin & Riley, 1955); Entire community; Field experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); KOSMOS_2012_Tvaerminne; MESO; Mesocosm experiment; Mesocosm label; Mesocosm or benthocosm; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phase; Phosphorus, inorganic, dissolved; Primary production, carbon assimilation (24 hr.), integrated; Primary production/Photosynthesis; Respiration; Respiration rate, oxygen; Salinity; Silicate; Temperate; Temperature, water; Type
    Materialart: dataset
    Format: text/tab-separated-values, 5145 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATA PANGAEA
  • 4
    facet.materialart.
    Unbekannt
    KOSMOS mesocosm experiment Gran Canaria 2019 on testing the effect of nutrient composition (Si:N) during artificial upwelling: microzooplankton, mesozooplankton and toxins (2023)
    PANGAEA
    Details
    Publikationsdatum: 2024-09-10
    Beschreibung: Microzooplankton (microZP, protists) and mesozooplankton (mesoZP, metazoans) abundances and biomass as well as presence of domoic acid (DA, phycotoxin) during the mesocosm experiment in the Canary Islands in autumn 2019. Depth-integrated (0-2.5m) water samples were taken over the course of 33 days, in 2-day intervals for microZP and mesoZP and 4-day intervals for DA. MicroZP was assessed by Utermöhl light microscopy and its biomass estimated using biovolume to carbon conversion factors from the literature. MesoZP samples were split into three size fractions (55-200, 200-500 and 〉500 µm), preserved with 70% ethanol and assessed under a stereo microscope. For biomass, mesoZP were measured in an element analyser. MesoZP data is provided for copepods only (dominant group) and all metazoan zooplankton combined (mainly copepods and appendicularians). For DA, particulate matter was filtered (〉0.7µm) and analysed via liquid chromatography and tandem mass spectrometry. The upwelling treatment started on day 6. Methodological details in Goldenberg et al. (doi:10.3389/fmars.2022.1015188) and Goldenberg et al. (under review).
    Schlagwort(e): AQUACOSM; artificial upwelling; Canarias Sea; carbon dioxide removal; CDRmare; Ciliates, heterotrophic; Ciliates, heterotrophic, biomass as carbon; Copepoda; Copepoda, biomass as carbon; Copepoda, nauplii; DAM CDRmare - Test-ArtUp: Road testing ocean artificial upwelling; DATE/TIME; Day of experiment; Depth, water, experiment, bottom/maximum; Depth, water, experiment, top/minimum; diatoms; Dinoflagellates; Dinoflagellates, biomass as carbon; Domoic acid; Domoic acid per unit mass particulate organic carbon; Event label; Field experiment; GC2019; 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; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Mesozooplankton; Mesozooplankton, biomass as carbon; negative emission technology; Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean; Ocean Artificial Upwelling; Ocean-artUp; ocean fertilization; Phase description; plankton food web; Protista, heterotrophic; Protista, heterotrophic, biomass as carbon; Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways; Size fraction 〉 500 µm; Size fraction 〉 55 µm; Size fraction 200-500 µm; Size fraction 55-200 µm; Test-ArtUp; Treatment; trophic transfer; Type of study
    Materialart: dataset
    Format: text/tab-separated-values, 4332 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATA PANGAEA
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