Citation:

meps09405

Name: Calcification of the Arctic coralline red algae Lithothamnion glaciale in response to elevated CO2
Published: 2011
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Arctic; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Coast and continental shelf; Laboratory experiment; Lithothamnion glaciale; Macroalgae; Plantae; Polar; Rhodophyta; Single species

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2011 (exact date unknown) • DOI registered: 2014-08-29

RIS Citation BibTeX Citation Text Citation Share

Abstract:

Rising atmospheric CO2 concentrations could cause a calcium carbonate subsaturation of Arctic surface waters in the next 20 yr, making these waters corrosive for calcareous organisms. It is presently unknown what effects this will have on Arctic calcifying organisms and the ecosystems of which they are integral components. So far, acidification effects on crustose coralline red algae (CCA) have only been studied in tropical and Mediterranean species. In this work, we investigated calcification rates of the CCA Lithothamnion glaciale collected in northwest Svalbard in laboratory experiments under future atmospheric CO2 concentrations. The algae were exposed to simulated Arctic summer and winter light conditions in 2 separate experiments at optimum growth temperatures. We found a significant negative effect of increased CO2 levels on the net calcification rates of L. glaciale in both experiments. Annual mean net dissolution of L. glaciale was estimated to start at an aragonite saturation state between 1.1 and 0.9 which is projected to occur in parts of the Arctic surface ocean between 2030 and 2050 if emissions follow 'business as usual' scenarios (SRES A2; IPCC 2007). The massive skeleton of CCA, which consist of more than 80% calcium carbonate, is considered crucial to withstanding natural stresses such as water movement, overgrowth or grazing. The observed strong negative response of this Arctic CCA to increased CO2 levels suggests severe threats of the projected ocean acidification for an important habitat provider in the Arctic coastal ocean.

Keyword(s):

Arctic; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Coast and continental shelf; Laboratory experiment; Lithothamnion glaciale; Macroalgae; Plantae; Polar; Rhodophyta; Single species

Further details:

Lavigne, Héloïse; Epitalon, Jean-Marie; Gattuso, Jean-Pierre (2014): seacarb: seawater carbonate chemistry with R. R package version 3.0 [webpage]. https://cran.r-project.org/package=seacarb

Project(s):

Biological Impacts of Ocean Acidification (BIOACID)

Ocean Acidification International Coordination Centre (OA-ICC)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2014-07-29.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Büdenbender, Jan
2	Figure	Fig		Büdenbender, Jan
3	Date	Date		Büdenbender, Jan
4	Replicate	Repl		Büdenbender, Jan
5	Season	Season		Büdenbender, Jan
6	Treatment	Treat		Büdenbender, Jan
7	Salinity	Sal		Büdenbender, Jan
8	Temperature, water	Temp	°C	Büdenbender, Jan		input
9	Pressure, water	Press	dbar	Büdenbender, Jan		input
10	Phosphate	[PO4]3-	µmol/kg	Büdenbender, Jan		input
11	Silicate	Si(OH)4	µmol/kg	Büdenbender, Jan		input
12	Alkalinity, total	AT	µmol/kg	Büdenbender, Jan	Potentiometric titration	input
13	pH, total scale	pHT		Büdenbender, Jan	Potentiometric	input, total scale
14	Temperature, water	Temp	°C	Büdenbender, Jan	Calculated using CO2SYS	output
15	Pressure, water	Press	dbar	Büdenbender, Jan	Calculated using CO2SYS	output
16	pH, total scale	pHT		Büdenbender, Jan	Calculated using CO2SYS	output, total scale
17	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Büdenbender, Jan	Calculated using CO2SYS	output
18	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Büdenbender, Jan	Calculated using CO2SYS	output
19	Bicarbonate ion	[HCO3]-	µmol/kg	Büdenbender, Jan	Calculated using CO2SYS	output
20	Carbonate ion	[CO3]2-	µmol/kg	Büdenbender, Jan	Calculated using CO2SYS	output
21	Carbon dioxide	CO2	µmol/kg	Büdenbender, Jan	Calculated using CO2SYS	output
22	Boron	B	µmol/kg	Büdenbender, Jan	Calculated using CO2SYS	alk output
23	Hydroxide ion	OH-	µmol/kg	Büdenbender, Jan	Calculated using CO2SYS	alk output
24	Phosphorus	P	mmol/kg	Büdenbender, Jan	Calculated using CO2SYS	alk output
25	Silicon	Si	mmol/kg	Büdenbender, Jan	Calculated using CO2SYS	alk output
26	Revelle factor	R		Büdenbender, Jan	Calculated using CO2SYS	output
27	Calcite saturation state	Omega Cal		Büdenbender, Jan	Calculated using CO2SYS	output
28	Aragonite saturation state	Omega Arg		Büdenbender, Jan	Calculated using CO2SYS	output
29	xCO2 (water) at equilibrator temperature (dry air)	xCO2water_equ_dry	µmol/mol	Büdenbender, Jan	Calculated using CO2SYS	output
30	Net calcification rate of calcium carbonate, per individual	NC CaCO3/ind	µmol/#/day	Büdenbender, Jan
31	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
35	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
38	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
39	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
40	Calcification rate	Calc rate	%	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
41	Calcification rate, standard deviation	Calc rate std dev	±	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

8948 data points

Download Data

Download dataset as tab-delimited text — use the following character encoding:

View dataset as HTML (shows only first 2000 rows)