Citation:

s00227-011-1854-9

Name: Experiment: Physiological responses of the calcifying rhodophyte, Corallina officinalis (L.), to future CO2 levels
Published: 2012
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Benthos; Calcification/Dissolution; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Corallina officinalis; Growth/Morphology; Laboratory experiment; Macroalgae; North Atlantic; Plantae; Primary production/Photosynthesis; Rhodophyta; Single species; Temperate

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Abstract:

Future atmospheric CO2 levels will most likely have complex consequences for marine organisms, particulary photosynthetic calcifying organisms. Corallina officinalis L. is an erect calcifying macroalga found in the inter- and subtidal regions of temperate rocky coastlines and provides important substrate and refugia for marine meiofauna. The main goal of the current study was to determine the physiological responses of C. officinalis to increased CO2 concentrations expected to occur within the next century and beyond. Our results show that growth and production of inorganic material decreased under high CO2 levels, while carbonic anhydrase activity was stimulated and negatively correlated to algal inorganic content. Photosynthetic efficiency based on oxygen evolution was also negatively affected by increased CO2. The results of this study indicate that C. officinalis may become less competitive under future CO2 levels, which could result in structural changes in future temperate intertidal communities.

Keyword(s):

Benthos; Calcification/Dissolution; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Corallina officinalis; Growth/Morphology; Laboratory experiment; Macroalgae; North Atlantic; Plantae; Primary production/Photosynthesis; Rhodophyta; Single species; Temperate

Further details:

Lavigne, Héloïse; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4 [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 and Gattuso, 2011) 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 by seacarb is 2014-02-11.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Hofmann, Laurie C
2	Treatment	Treat		Hofmann, Laurie C
3	Group	Group		Hofmann, Laurie C
4	Replicate	Repl		Hofmann, Laurie C
5	Incubation duration	Inc dur	days	Hofmann, Laurie C
6	Date	Date		Hofmann, Laurie C
7	Time of day	Time of day		Hofmann, Laurie C
8	Maximum photochemical quantum yield of photosystem II	Fv/Fm		Hofmann, Laurie C
9	Irradiance	E	µmol/m²/s	Hofmann, Laurie C
10	Gross oxygen evolution, per chlorophyll a	O2 ev/Chl	µmol/mg/h	Hofmann, Laurie C
11	Net oxygen evolution, per chlorophyll a	O2 ev/Chl	µmol/mg/h	Hofmann, Laurie C
12	Calcified area	Calc area		Hofmann, Laurie C
13	Growth rate	µ	%/day	Hofmann, Laurie C
14	Carbonic anhydrase, activity	CA activity	1/g	Hofmann, Laurie C
15	Organic matter	OM	%	Hofmann, Laurie C
16	Inorganic matter	IM	%	Hofmann, Laurie C
17	Fluorescence, yield at any given time	Ft		Hofmann, Laurie C
18	Electron transport rate	ETR	µmol e/m²/s	Hofmann, Laurie C
19	Yield	Yield	%	Hofmann, Laurie C
20	Photochemical quenching	qP		Hofmann, Laurie C
21	Non photochemical quenching	NPQ		Hofmann, Laurie C
22	Fluorescence, maximum, without dark adaptation	Fm'		Hofmann, Laurie C
23	Fluorescence, minimum, without dark adaptation	Fo'		Hofmann, Laurie C
24	Temperature, water	Temp	°C	Hofmann, Laurie C
25	Salinity	Sal		Hofmann, Laurie C
26	pH	pH		Hofmann, Laurie C		total scale
27	pH, standard error	pH std e	±	Hofmann, Laurie C		total scale
28	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Hofmann, Laurie C
29	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Hofmann, Laurie C
30	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
31	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	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)
33	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
35	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
38	Calcite saturation state	Omega Cal		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:

13244 data points

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