Perspective on the response of marine calcifiers to global warming and ocean acidification—Behavior of corals and foraminifera in a high CO2 world “hot house”

H Kawahata, K Fujita, A Iguchi, M Inoue… - Progress in Earth and …, 2019 - Springer
The CO 2 concentration of air has increased over the last two centuries and recently
surpassed 400 ppm. Carbon cycle models project CO 2 concentrations of 720 to 1000 ppm …

Decrease in volume and density of foraminiferal shells with progressing ocean acidification

A Kuroyanagi, T Irie, S Kinoshita, H Kawahata… - Scientific Reports, 2021 - nature.com
Rapid increases in anthropogenic atmospheric CO2 partial pressure have led to a decrease
in the pH of seawater. Calcifying organisms generally respond negatively to ocean …

Effect of ocean acidification on the benthic foraminifera Ammonia sp. is caused by a decrease in carbonate ion concentration

N Keul, G Langer, LJ de Nooijer, J Bijma - Biogeosciences, 2013 - bg.copernicus.org
About 30% of the anthropogenically released CO 2 is taken up by the oceans; such uptake
causes surface ocean pH to decrease and is commonly referred to as ocean acidification …

Planktonic foraminiferal area density as a proxy for carbonate ion concentration: A calibration study using the Cariaco Basin ocean time series

BJ Marshall, RC Thunell, MJ Henehan… - …, 2013 - Wiley Online Library
Biweekly sediment trap samples and concurrent hydrographic measurements collected
between March 2005 and October 2008 from the Cariaco Basin, Venezuela, are used to …

Influence of surface ocean density on planktonic foraminifera calcification

SD Zarkogiannis, A Antonarakou, A Tripati… - Scientific Reports, 2019 - nature.com
This study provides evidence that ambient seawater density influences calcification and may
account for the observed planktonic foraminifera shell mass increase during glacial times …

Seasonal variation in shell calcification of planktonic foraminifera in the NE Atlantic reveals species-specific response to temperature, productivity, and optimum …

MFG Weinkauf, JG Kunze, JJ Waniek, M Kučera - PLoS One, 2016 - journals.plos.org
Using shells collected from a sediment trap series in the Madeira Basin, we investigate the
effects of seasonal variation of temperature, productivity, and optimum growth conditions on …

Size-dependent response of foraminiferal calcification to seawater carbonate chemistry

MJ Henehan, D Evans, M Shankle, JE Burke… - …, 2017 - bg.copernicus.org
The response of the marine carbon cycle to changes in atmospheric CO 2 concentrations
will be determined, in part, by the relative response of calcifying and non-calcifying …

Planktic foraminiferal test size and weight response to the late Pliocene environment

CL Todd, DN Schmidt, MM Robinson… - Paleoceanography …, 2020 - Wiley Online Library
Atmospheric carbon dioxide (pCO2atm) is impacting the ocean and marine organisms
directly via changes in carbonate chemistry and indirectly via a range of changes in physical …

Shell density of planktonic foraminifera and pteropod species Limacina helicina in the Barents Sea: Relation to ontogeny and water chemistry

S Ofstad, K Zamelczyk, K Kimoto, M Chierici… - PloS one, 2021 - journals.plos.org
Planktonic calcifiers, the foraminiferal species Neogloboquadrina pachyderma and
Turborotalita quinqueloba, and the thecosome pteropod Limacina helicina from plankton …

Sensitivity of planktic foraminiferal test bulk density to ocean acidification

S Iwasaki, K Kimoto, O Sasaki, H Kano, H Uchida - Scientific reports, 2019 - nature.com
The anthropogenic CO2 accumulating in the ocean is lowering seawater carbonate ion
concentration and may reduce calcification rates of marine calcareous organisms. Several …