Impacts of ocean acidification on large benthic foraminifers: Results from laboratory experiments

Kuroyanagi, Azumi; Kawahata, Hodaka; Suzuki, Atsushi; Fujita, Kazuhiko; Irie, Takahiro

doi:10.1016/j.marmicro.2009.09.003

Cited by 95 publications

(96 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…It is concluded that carbonate ion concentration is the parameter influencing growth rate in Ammonia sp. This conclusion tallies with response patterns of other species studied (Manno et al, 2012;Lombard et al, 2010;Russell et al, 2004;Kuroyanagi et al, 2009;Bijma et al, 2002). However, all of the latter studies, with the exception of the one by Bijma et al (2002), employed either DIC-manipulation or TA-manipulation methods and could therefore not identify a single parameter responsible for observed adverse effects.…”

Section: Growth Ratesupporting

confidence: 57%

“…A comparison of these studies could help to infer differences in responses attributed to different methods used. Vogel and Uthicke (2012) observed an increase in calcification rates with pCO 2 for M. vertebralis, whereas in both the studies of Sinutok et al (2011) and Kuroyanagi et al (2009) the opposite effect was detected (the latter study investigated a closely related foraminifera, M. kudakajimensis). This difference could be attributed to the employed manipulation methods (Kuroyanagi et al, 2009: TA manipulation and Vogel and Uthicke, 2012: DIC manipulation, manipulation of DIC by aeration with a certain pCO 2 ) or the chosen experimental setup (static/flow-through).…”

Section: Overview Of Foraminiferal Studies With a Focus On Carbonate mentioning

confidence: 88%

“…Vogel and Uthicke (2012) observed an increase in calcification rates with pCO 2 for M. vertebralis, whereas in both the studies of Sinutok et al (2011) and Kuroyanagi et al (2009) the opposite effect was detected (the latter study investigated a closely related foraminifera, M. kudakajimensis). This difference could be attributed to the employed manipulation methods (Kuroyanagi et al, 2009: TA manipulation and Vogel and Uthicke, 2012: DIC manipulation, manipulation of DIC by aeration with a certain pCO 2 ) or the chosen experimental setup (static/flow-through). The first option seems unrealistic in the light of a study of Hoppe et al (2011), where the effect of elevated pCO 2 in TA versus DIC manipulations was found to be the same for the coccolithophorid Emiliania huxleyi.…”

Section: Overview Of Foraminiferal Studies With a Focus On Carbonate mentioning

confidence: 88%

See 2 more Smart Citations

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

et al. 2013

View full text Add to dashboard Cite

Abstract. 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 (OA). Foraminifera are one of the most abundant groups of marine calcifiers, estimated to precipitate ca. 50 % of biogenic calcium carbonate in the open oceans. We have compiled the state of the art literature on OA effects on foraminifera, because the majority of OA research on this group was published within the last three years. Disparate responses of this important group of marine calcifiers to OA were reported, highlighting the importance of a process-based understanding of OA effects on foraminifera. We cultured the benthic foraminifer Ammonia sp. under a range of carbonate chemistry manipulation treatments to identify the parameter of the carbonate system causing the observed effects. This parameter identification is the first step towards a process-based understanding. We argue that ] is the parameter affecting foraminiferal sizenormalized weights (SNWs) and growth rates. Based on the presented data, we can confirm the strong potential of Ammonia sp. foraminiferal SNW as a [CO 2− 3 ] proxy.

show abstract

Section: Growth Ratesupporting

confidence: 57%

Section: Overview Of Foraminiferal Studies With a Focus On Carbonate mentioning

confidence: 88%

Section: Overview Of Foraminiferal Studies With a Focus On Carbonate mentioning

confidence: 88%

See 1 more Smart Citation

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

et al. 2013

View full text Add to dashboard Cite

show abstract

“…Experimental manipulations of various species of Foraminifera using pCO 2 levels of up to 2,000 latm have shown no evidence for reduced survivorship (McIntyre-Wressnig et al 2013), nor any effects on photobiology and calcification (Vogel and Uthicke 2012), supporting the hypothesis of Pörtner (2002Pörtner ( , 2008. Other studies, however, have shown reduced calcification of coral reef Foraminifera at elevated pCO 2 levels (Kuroyanagi et al 2009;Haynert et al 2011;Reymond et al 2013). Fujita et al (2011) reported that calcification in two tropical Foraminifera hosting diatoms and exhibiting a hyaline shell increased with elevated pCO 2 up to 770 latm and decreased at pCO 2 levels up to 970 latm.…”

Section: Introductionmentioning

confidence: 92%

Combined effects of warming and ocean acidification on coral reef Foraminifera Marginopora vertebralis and Heterostegina depressa

2014

View full text Add to dashboard Cite

Warming and changes in ocean carbonate chemistry alter marine coastal ecosystems at an accelerating pace. The interaction between these stressors has been the subject of recent studies on reef organisms such as corals, bryozoa, molluscs, and crustose coralline algae. Here we investigated the combined effects of elevated sea surface temperatures and pCO 2 on two species of photosymbiont-bearing coral reef Foraminifera: Heterostegina depressa (hosting diatoms) and Marginopora vertebralis (hosting dinoflagellates). The effects of single and combined stressors were studied by monitoring survivorship, growth, and physiological parameters, such as respiration, photochemistry (pulse amplitude modulation fluorometry and oxygen production), and chl a content. Specimens were exposed in flow-through aquaria for up to seven weeks to combinations of two pCO 2 (*790 and *490 latm) and two temperature (28 and 31°C) regimes. Elevated temperature had negative effects on the physiology of both species. Elevated pCO 2 had negative effects on growth and apparent photosynthetic rate in H.depressa but a positive effect on effective quantum yield. With increasing pCO 2 , chl a content decreased in H. depressa and increased in M. vertebralis. The strongest stress responses were observed when the two stressors acted in combination. An interaction term was statistically significant in half of the measured parameters. Further exploration revealed that 75 % of these cases showed a synergistic (= larger than additive) interaction between the two stressors. These results indicate that negative physiological effects on photosymbiont-bearing coral reef Foraminifera are likely to be stronger under simultaneous acidification and temperature rise than what would be expected from the effect of each of the stressors individually.

show abstract

“…There is also evidence that planktonic forami nifers precipitate thinner test walls at reduced carbonate ion concentrations and higher atmospheric CO 2 levels (Spero et al 1997, Bijma et al 1999, Moy et al 2009). A recent study by Kuroyanagi et al (2009) investigated growth rates of the tropical, symbiontbearing foraminifer Marginopora kudakajimensis during long-term incubation at 4 different pH NBS (National Bureau of Standards pH) levels between 8.3 and 7.7. Their results indicated that growth rate, shell weight, and the number of newly added chambers decreased with a lowering of the pH.…”

Section: Introductionmentioning

confidence: 99%

Biometry and dissolution features of the benthic foraminifer Ammonia aomoriensis at high pCO2

Haynert

Schönfeld²,

Riebesell³

et al. 2011

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

Culturing experiments were performed with the benthic foraminifer Ammonia aomoriensis from Flensburg Fjord, western Baltic Sea. The experiments simulated a projected rise in atmospheric CO 2 concentrations. We exposed specimens to 5 seawater pCO 2 levels ranging from 618 µatm (pH 7.9) to 3130 µatm (pH 7.2) for 6 wk. Growth rates and mortality differed significantly among pCO 2 treatments. The highest increase of mean test diameter (19%) was observed at 618 µatm. At partial pressures >1829 µatm, the mean test diameter was observed to decrease, by up to 22% at 3130 µatm. At pCO 2 levels of 618 and 751 µatm, A. aomoriensis tests were found intact after the experiment. The outer chambers of specimens incubated at 929 and 1829 µatm were severely damaged by corrosion. Visual inspection of specimens incubated at 3130 µatm revealed wall dissolution of all outer chambers, only their inner organic lining stayed intact. Our results demonstrate that pCO 2 values of ≥929 µatm in Baltic Sea waters cause reduced growth of A. aomoriensis and lead to shell dissolution. The bottom waters in Flensburg Fjord and adjacent areas regularly experience pCO 2 levels in this range during summer and fall. Increasing atmospheric CO 2 concentrations are likely to extend and intensify these periods of undersaturation. This may eventually slow down calcification in A. aomoriensis to the extent that net carbonate precipitation terminates. The possible disappearance of this species from the Baltic Sea and other areas prone to seasonal undersaturation would likely cause significant shifts in shallow-water benthic ecosystems in the near future. KEY WORDS: Benthic foraminifera · Biometry · Test dissolution · Carbon dioxide · Baltic Sea Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 432: 53-67, 2011 54 to about one-third of the production by planktonic foraminifers (Schiebel 2002).In addition to CO 2 -induced ocean acidification, anthropogenic eutrophication by river and groundwater discharge and by atmospheric deposition can lead to changes in carbonate chemistry, especially in coas tal marine environments such as the Baltic Sea (Rosenberg 1985, Conley et al. 2007, Levin et al. 2009, Borges & Gypens 2010, Cossellu & Nordberg 2010, Zhang et al. 2010. In comparison to the open ocean, the Baltic Sea exhibits lower salinities, lower [CO 3 2-] and consequently lower calcium carbonate saturation states (Ω). In the western Baltic Sea, seasonal effects are super imposed (Hansen et al. 1999). Vertical stratification, enhanced microbial activity and the ensuing consumption of dissolved oxygen by the decay of particulate organic matter causes hypoxic conditions in the bottom water and therefore strong seasonally varying pCO 2 values over the year (Diaz & Rosenberg 2008, Conley et al. 2009. In response to low Ω and seasonal acidification, a reduced calcification of foraminifera is expected in Flensburg Fjord (Polovodova et al. 2009).An increasing number of field and laboratory studies have show...

show abstract

Impacts of ocean acidification on large benthic foraminifers: Results from laboratory experiments

Cited by 95 publications

References 23 publications

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

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

Combined effects of warming and ocean acidification on coral reef Foraminifera Marginopora vertebralis and Heterostegina depressa

Biometry and dissolution features of the benthic foraminifer Ammonia aomoriensis at high pCO2

Contact Info

Product

Resources

About

Impacts of ocean acidification on large benthic foraminifers: Results from laboratory experiments

Cited by 95 publications

References 23 publications

Effect of ocean acidification on the benthic foraminifera &lt;i&gt;Ammonia&lt;/i&gt; sp. is caused by a decrease in carbonate ion concentration

Effect of ocean acidification on the benthic foraminifera &lt;i&gt;Ammonia&lt;/i&gt; sp. is caused by a decrease in carbonate ion concentration

Combined effects of warming and ocean acidification on coral reef Foraminifera Marginopora vertebralis and Heterostegina depressa

Biometry and dissolution features of the benthic foraminifer Ammonia aomoriensis at high pCO2

Contact Info

Product

Resources

About

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

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