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Autori principali: van Dijk, Inge, Bernhard, Joan M, de Nooijer, Lennart Jan, Nehrke, Gernot, Wit, Johannes C, Reichart, Gert-Jan
Natura: Dataset Open Access
Lingua:en
Pubblicazione: PANGAEA 2017
Soggetti:
Alkalinity, total; Alkalinity, total, standard deviation; Aragonite saturation state; Aragonite saturation state, standard deviation; Benthos; Bicarbonate ion; Bicarbonate ion, standard deviation; Bottles or small containers/Aquaria (<20 L); Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Calculated using seacarb after Orr et al. (2018); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Chamber number; Chromista; Coast and continental shelf; EXP; Experiment; Foraminifera; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Fugacity of carbon dioxide in seawater, standard deviation; Growth/Morphology; Laboratory experiment; Miliammina fusca; Mortality/Survival; Mudpatch; North Pacific; Number of specimens; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Oxygen; Oxygen, dissolved; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Percentage; pH, standard deviation; pH, total scale; Potentiometric titration; Registration number of species; Salinity; Single species; Species; Species interaction; Spiroplectammina biformis; Survival; Temperate; Temperature, water; Temperature, water, standard deviation; Textularia tenuissima; Treatment; Trochammina inflata; Type; Uniform resource locator/link to reference; Zooplankton
Accesso online:https://doi.org/10.1594/PANGAEA.923815
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Sommario:
  • Agglutinated foraminifera create a shell by assembling particles from the sediment and comprise a significant part of the foraminiferal fauna. Despite their high abundance and diversity, their response to environmental perturbations and climate change is relatively poorly studied. Here we present results from a culture experiment with four different species of agglutinating foraminifera incubated in artificial substrate and exposed to different pCO2 conditions, in either dysoxic or oxic settings. We observed species-specific reactions (i.e., reduced or increased chamber formation rates) to dysoxia and/or acidification. While chamber addition and/or survival rates of Miliammina fusca and Trochammina inflata were negatively impacted by either dysoxia or acidification, respectively, Textularia tenuissima and Spiroplectammina biformis had the highest survivorship and chamber addition rates with combined high pCO2 (2000 ppm) and low O2 (0.7 ml/l) conditions. The differential response of these species indicates that not all agglutinating foraminifera are well-adapted to conditions induced by predicted climate change, which may result in a shift in foraminiferal community composition.

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