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  • PANGAEA  (8)
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  • 1
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    Investigation of escape response of Norwegian Pecten maximus
    PANGAEA
    In:  Supplement to: Schalkhausser, Burgel; Bock, Christian; Stemmer, Kristina; Brey, Thomas; Pörtner, Hans-Otto; Lannig, Gisela (2013): Impact of ocean acidification on escape performance of the king scallop, Pecten maximus, from Norway. Marine Biology, 160(8), 1995-2006, https://doi.org/10.1007/s00227-012-2057-8
    Details
    Publication Date: 2023-05-12
    Description: The ongoing process of ocean acidification already affects marine life and, according to the concept of oxygen- and capacity limitation of thermal tolerance (OCLTT), these effects may be exacerbated at the boarders of the thermal tolerance window. We studied the effects of elevated CO2 concentrations on clapping performance and energy metabolism of the commercially important scallop Pecten maximus. Individuals were exposed for at least 30 days to 4°C (winter) or to 10°C (spring/summer) at either ambient (0.04 kPa, normocapnia) or predicted future PCO2 levels (0.11 kPa, hypercapnia). Cold (4°C) exposed groups revealed thermal stress exacerbated by PCO2 indicated by a high mortality overall and its increase from 55% under normocapnia to 90% under hypercapnia. We therefore excluded the 4°C groups from further experimentation. Scallops at 10°C showed impaired clapping performance following hypercapnic exposure. Force production was significantly reduced although the number of claps was unchanged between normo- and hypercapnia exposed scallops. The difference between maximal and resting metabolic rate (aerobic scope) of the hypercapnic scallops was significantly reduced compared to normocapnic animals, indicating a reduction in net aerobic scope. Our data confirm that ocean acidification narrows the thermal tolerance range of scallops resulting in elevated vulnerability to temperature extremes and impairs the animal's performance capacity with potentially detrimental consequences for its fitness and survival in the ocean of tomorrow.
    Keywords: BIOACID; Biological Impacts of Ocean Acidification
    Type: Dataset
    Format: application/zip, 5 datasets
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    DATA PANGAEA
  • 2
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    Morphology of Pecten maximus and incubation time
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Biomass, dry mass; Biomass, shell, dry mass; Biomass, shell, wet mass; Biomass, wet mass; Calculated; Condition index; Duration, number of days; Muscle, diameter; Muscle, dry mass; Muscle, wet mass; Muscle condition index; Pecten maximus, height; Pecten maximus, length; Pecten maximus, width; Sample code/label; Treatment; Vernier caliper; Weighted
    Type: Dataset
    Format: text/tab-separated-values, 750 data points
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    DATA PANGAEA
  • 3
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    (Fig. 3) Clapping performance of Pecten maximus after long-term incubation under normocapnia and hypercapnia at 10 °C
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Advanced Force Gauge (AFG), Mecmesin, 50 N; Force; Number of claps; Sample code/label; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 160 data points
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    DATA PANGAEA
  • 4
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    (Fig. 4) Oxygen consumption of Pecten maximus after long-term incubation under normocapnia and hypercapnia at 10 °C
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Calculated; Net aerobic scope; Oxygen optode, PreSens, Type Heilmayer; Pecten maximus, metabolic oxygen consumption; Sample code/label; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 104 data points
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    DATA PANGAEA
  • 5
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    (Table 2) Haemolymph parameters of Pecten maximus at rest and after exercise following long-term incubation under normocapnia (seawater PCO2 ~0.040 kPa) and hypercapnia (seawater PCO2 ~0.112 kPa) at 10 °C
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Blood gas analyser, Eschweiler, MT 33; Calculated; Gas chromatography, Agilent 6890 N GC System, Agilent Technologies; Pecten maximus, haemolymph, bicarbonate ion; Pecten maximus, haemolymph, carbon dioxide partial pressure; Pecten maximus, haemolymph, oxygen partial pressure; Pecten maximus, haemolymph, pH; Pecten maximus, haemolymph, total carbon dioxide; Sample code/label; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 263 data points
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    DATA PANGAEA
  • 6
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    (Table 1) Physicochemical conditions of seawater after long-term incubations of Pecten maximus during normocapnia and hypercapnia at different temperatures (4 and 10 °C acclimation) (2013)
    PANGAEA
    Details
    Publication Date: 2024-02-16
    Keywords: Calculated; Calculated using CO2SYS; Carbon, inorganic, dissolved; Carbon dioxide, partial pressure; DATE/TIME; pH; pH meter, WTW, pH 3310; Salinity; Salinometer, WTW ProfiLine Cond 1970i; Seal QuAAtro SFA Analyzer, Seal Analytical, 800 TM; Temperature, water; Temperature probe; TP; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 835 data points
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  • 7
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    Seawater carbonate chemistry and biological processes in experiments of the Norwegian sea (2013)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Keywords: Acid-base regulation; Advanced Force Gauge (AFG), Mecmesin, 50 N; Alkalinity, total; Animalia; Aragonite saturation state; Behaviour; Benthic animals; Benthos; Bicarbonate ion; Biomass, dry mass; Biomass, shell, dry mass; Biomass, shell, wet mass; Biomass, wet mass; Blood gas analyser, Eschweiler, MT 33; Calcite saturation state; Calculated; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Condition index; Containers and aquaria (20-1000 L or 〈 1 m**2); Coulometric titration; Force; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gas chromatography, Agilent 6890 N GC System, Agilent Technologies; Growth/Morphology; Height; Incubation duration; Laboratory experiment; Length; Mollusca; Muscle, diameter; Muscle, dry mass; Muscle, wet mass; Muscle condition index; Net aerobic scope; North Atlantic; Number of claps; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pecten maximus; Pecten maximus, haemolymph, bicarbonate ion; Pecten maximus, haemolymph, carbon dioxide partial pressure; Pecten maximus, haemolymph, oxygen partial pressure; Pecten maximus, haemolymph, pH; Pecten maximus, haemolymph, total carbon dioxide; pH; pH, standard deviation; Potentiometric; Respiration; Respiration rate, oxygen; Salinity; Salinity, standard deviation; Salinometer, WTW ProfiLine Cond 1970i; Sample code/label; Single species; Species; Temperate; Temperature; Temperature, standard deviation; Temperature, water; Temperature probe; TP; Treatment; Vernier caliper; Weighted; Width
    Type: Dataset
    Format: text/tab-separated-values, 1973 data points
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    DATA PANGAEA
  • 8
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    Elevated CO2 levels do not affect the shell structure of the bivalve Arctica islandica from the western Baltic (2013)
    PANGAEA
    In:  Supplement to: Stemmer, Kristina; Nehrke, Gernot; Brey, Thomas (2013): Elevated CO2 Levels do not Affect the Shell Structure of the Bivalve Arctica islandica from the Western Baltic. PLoS ONE, 8(7), e70106, https://doi.org/10.1371/journal.pone.0070106
    Details
    Publication Date: 2024-03-15
    Description: Shells of the bivalve Arctica islandica are used to reconstruct paleo-environmental conditions (e.g. temperature) via biogeochemical proxies, i.e. biogenic components that are related closely to environmental parameters at the time of shell formation. Several studies have shown that proxies like element and isotope-ratios can be affected by shell growth and microstructure. Thus it is essential to evaluate the impact of changing environmental parameters such as high pCO2 and consequent changes in carbonate chemistry on shell properties to validate these biogeochemical proxies for a wider range of environmental conditions. Growth experiments with Arctica islandica from the Western Baltic Sea kept under different pCO2 levels (from 380 to 1120 µatm) indicate no affect of elevated pCO2 on shell growth or crystal microstructure, indicating that A. islandica shows an adaptation to a wider range of pCO2 levels than reported for other species. Accordingly, proxy information derived from A. islandica shells of this region contains no pCO2 related bias.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Arctica islandica; Baltic Sea; Benthic animals; Benthos; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Calcein mark; Calcite saturation state; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Growth rate; Identification; Laboratory experiment; Mollusca; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Potentiometric; Potentiometric titration; Salinity; Salinity, standard deviation; Sample code/label; Single species; Species; Temperate; Temperature, water; Temperature, water, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 1377 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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