Effect of dissolved oxygen concentration on planktonic foraminifera through laboratory culture experiments and implications for oceanic anoxic events

Kuroyanagi, Azumi; Rocha, Régine Elisabeth da; Biȷma, Jelle; Spero, Howard J.; Russell, A. D.; Eggins, Stephen; Kawahata, Hodaka

doi:10.1016/j.marmicro.2013.04.005

Cited by 32 publications

(51 citation statements)

References 26 publications

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“…During intense mixing events, low oxygen levels may occur at even shallower depths. Importantly, such reduced oxygen levels are unlikely to affect the survival of these planktonic species (Kuroyanagi et al, 2013). Interestingly, these conditions in the water column parallel those found in the sediment column that have been called upon to explain similar alteration in fossil foraminifera (Pena et al, 2005;Regenberg et al, 2007;van Raden et al, 2011).…”

Section: Seawater Carbonate Chemistrymentioning

confidence: 66%

Evaluating controls on planktonic foraminiferal geochemistry in the Eastern Tropical North Pacific

Gibson

Thunell

Fehrenbacher

et al. 2016

Earth and Planetary Science Letters

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between mixed-layer species G. ruber and G. bulloides and thermocline-dweller G. menardii track seasonal changes in upwelling. The records suggest an increase in upwelling during the peak positive phase of El Niño, and an overall reduction in stratification over the six-year period. For all three species, Mg/Ca ratios are higher than what has been reported in previous studies, and show poor correlations to calcification temperature. We suggest that low pH (7.6-8.0) and [CO 3 2− ] values (∼70-120 μmol/kg) in the mixed layer contribute to an overall trend of higher Mg/Ca ratios in this region. Laser Ablation Inductively Coupled Mass Spectrometry analyses of G. bulloides with high Mg/Ca ratios (>9 mmol/mol) reveal the presence of a secondary coating of inorganic calcite that has Mg/Ca and Mn/Ca ratios up to an order of magnitude higher than these elemental ratios in the primary calcite, along with elevated Sr/Ca and Ba/Ca ratios. Some of the samples with abnormally high Mg/Ca are found during periods of high primary productivity, suggesting the alteration may be related to changes in carbonate saturation resulting from remineralization of organic matter in oxygen-poor waters in the water column. Although similar shell layering has been observed on fossil foraminifera, this is the first time such alteration has been studied in shells collected from the water column. Our results suggest a role for seawater carbonate chemistry in influencing foraminiferal calcite trace element:calcium ratios prior to deposition on the seafloor, particularly in high-productivity, low-oxygen environments.

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Section: Seawater Carbonate Chemistrymentioning

confidence: 66%

Evaluating controls on planktonic foraminiferal geochemistry in the Eastern Tropical North Pacific

Gibson

Thunell

Fehrenbacher

et al. 2016

Earth and Planetary Science Letters

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“…In this context, it is interesting to note that genetic-species of planktonic foraminifera are often found in distinct environments (i.e., different biomes or different depth habitats) (Huber et al, 1997;de Vargas et al, 2001;Darling & Wade, 2008;Morard et al, 2009;Quillévéré et al, 2011;Morard et al, 2013;Morard et al, 2016). While evidence for high heritability of wall thickness and porosity is lacking, both 325 porosity and wall thickness have been observed to vary with environmental conditions in culture and across environments gradients (this study; Colombo & Cita, 1980;Caron, 1987a-b;Bijma et al, 1990;Lea et al, 1999;Spero et al, 1997;Russell et al, 2004;Lombard et al, 2009;Kuroyanagi et al, 2013;Spero et al, 2015;Henehan et al, 2017). This raises the interesting possibility that some of the morphological differences between different genetic species are driven primarily by differences in the environment in which they occur, rather than by heritable genetic differences.…”

Section: Discussionmentioning

confidence: 67%

“…Our culturing results indicate that porosity is highly plastic and varies rapidly in response to temperature changes in Globigerinoides ruber. Similarly, Orbulina universa cultured under different oxygen concentrations showed variation in areal aperture size as large as that observed across genetic species (Kuroyanagi et al, 2013).…”

Section: Discussionmentioning

confidence: 69%

“…Previous work on the porosity of planktonic foraminifera identified a number of environmental and biological correlates which 255 often co-vary in time and space (Bé, 1968;Bé et al, 1976;Hottinger & Dreher, 1974;Berthold, 1978;Leutenegger & Hansen, 1979;Bé et al, 1980;Caron, 1987a,b;Hemleben et al, 2012;Bijma, et al, 1990;Moodley & Hess, 1992;Gupta & MachainCastillo, 1992;Fisher, et al, 2003;Glock et al, 2011;Kuroyanagi et al, 2013). Our study builds on existing work by simultaneously investigating the three major types of drivers that may account for porosity: biology, environment, and evolutionary history.…”

Section: Discussionmentioning

confidence: 75%

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Factors Influencing Porosity in Planktonic Foraminifera

Burke¹,

Renema²,

Henehan³

et al. 2018

Preprint

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Abstract. The clustering of mitochondria near pores in the test walls of foraminifera suggests that these perforations play a critical role in metabolic gas exchange. As such, pore measurements could provide a novel means of tracking changes in metabolic rate in the fossil record. However, in planktonic foraminifera, variation in pore size, density, and porosity have been 20 variously attributed to environmental, biological, and taxonomic drivers, complicating such an interpretation. Here we examine the environmental, biological, and evolutionary determinants of porosity in 718 individuals representing 17 morphospecies of planktonic foraminifera from 6 core tops in the North Atlantic. Using random forest models, we find that porosity is primarily correlated to size and habitat temperature, two key factors in determining metabolic rates. In order to test if this correlation arose spuriously through the association of cryptic species with distinct biomes, we cultured Globigerinoides ruber in three 25 different temperature conditions, and found that porosity increased with temperature. Crucially, these results show that porosity can be plastic: changing in response to environmental drivers within the lifetime of an individual foraminifer. This demonstrates the potential of porosity as a proxy for foraminiferal metabolic rates, with significance for interpreting geochemical data and the physiology of foraminifera in non-analog environments. It also highlights the importance of phenotypic plasticity (i.e., ecophenotypy) in accounting for some aspects of morphological variation in the modern and fossil 30 record.

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“…Kuroyanagi et al . () cultured shallow‐water benthic foraminifera living in coral reefs. The high tolerance of the foraminifera to extremely low dissolved oxygen condition.…”

Section: Discussionmentioning

confidence: 99%

Linkage of deep sea rapid acidification process and extinction of benthic foraminifera in the deep sea at the Paleocene/Eocene transition

et al. 2015

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Ocean Drilling Program Leg 199 Site 1220 provides a continuous sedimentary section across the Paleocene/Eocene (P/E) transition in the carbonate‐bearing sediments on 56–57 Ma oceanic crust. The large negative δ13C shift in seawater is likely due to the disintegration of methane hydrate, which is expected to be rapidly changed to carbon dioxide in the atmosphere and well‐oxygenated seawater, leading to a reduction in deep‐sea pH. A pH decrease was very likely responsible for the emergence of agglutinated foraminiferal fauna as calcareous fauna was eliminated by acidification at the P/E transition at Site 1220. The absence of the more resistant calcareous benthic foraminifera and the presence of the planktonic foraminifera at Site 1220 is interesting and unique, which indicates that calcareous benthic foraminifera suffered greatly from living on the seafloor. Box model calculation demonstrates that, assuming the same mean alkalinity as today, pCO2 must increase from 280 ppm to about 410 ppm for the calcite undersaturation in the deep ocean and for the oversaturation in the surface ocean during the P/E transition. The calculated increased pCO2 coincides with paleo‐botanical evidence. The current global emission rate (∼7.3 peta (1015) gC/y) of anthropogenic carbon input is approximately 30 times of the estimate at the P/E transition. The results at the P/E transition give an implication that the deep sea benthic fauna will be threatened in future in combination with ocean acidification, increased sea surface temperature and more stratified surface water.

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Effect of dissolved oxygen concentration on planktonic foraminifera through laboratory culture experiments and implications for oceanic anoxic events

Cited by 32 publications

References 26 publications

Evaluating controls on planktonic foraminiferal geochemistry in the Eastern Tropical North Pacific

Evaluating controls on planktonic foraminiferal geochemistry in the Eastern Tropical North Pacific

Factors Influencing Porosity in Planktonic Foraminifera

Linkage of deep sea rapid acidification process and extinction of benthic foraminifera in the deep sea at the Paleocene/Eocene transition

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