Citation:

meps293069

Name: Seawater carbonate chemistry and growth rate during experiments with coral Acropora cervicornis, 2005
Published: 2005
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Acropora cervicornis; Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Cnidaria; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Macro-nutrients; North Atlantic; Single species; Temperate

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Abstract:

The growth rate of Acropora cervicornis branch tips maintained in the laboratory was measured before, during, and after exposure to elevated nitrate (5 and 10 µM NO3-), phosphate (2 and 4 µM P-PO43) and/or pCO2 (CO2 ~700 to 800 µatm). The effect of increased pCO2 was greater than that of nutrient enrichment alone. High concentrations of nitrate or phosphate resulted in significant decreases in growth rate, in both the presence and absence of increased pCO2. The effect of nitrate and phosphate enrichment combined was additive or antagonistic relative to nutrient concentration and pCO2 level. Growth rate recovery was greater after exposure to increased nutrients or CO2 compared to increased nutrients and CO2. If these results accurately predict coral response in the natural environment, it is reasonable to speculate that the survival and reef-building potential of this species will be significantly negatively impacted by continued coastal nutrification and projected pCO2 increases.

Keyword(s):

Acropora cervicornis; Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Cnidaria; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Macro-nutrients; North Atlantic; Single species; Temperate

Project(s):

European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS)

European Project on Ocean Acidification (EPOCA)

Ocean Acidification International Coordination Centre (OA-ICC)

Funding:

Seventh Framework Programme (FP7), grant/award no. 211384 : European Project on Ocean Acidification

Sixth Framework Programme (FP6), grant/award no. 511106 : European network of excellence for Ocean Ecosystems Analysis

Event(s):

RR_05 * Method/Device: Experiment (EXP)

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).

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Experimental treatment	Exp treat		Renegar, D Abigail
2	Salinity	Sal		Renegar, D Abigail	Measured
3	Temperature, water	Temp	°C	Renegar, D Abigail	Measured
4	Carbonate system computation flag	CSC flag		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
5	pH	pH		Renegar, D Abigail	Calculated using CO2SYS	Seawater scale
6	pH	pH		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)	Total scale
7	Alkalinity, total	AT	mmol(eq)/l	Renegar, D Abigail	Alkalinity, potentiometric
8	Alkalinity, total	AT	µmol/kg	Renegar, D Abigail	Calculated	Original data in µEq/l, calculated using density
9	Carbon, inorganic, dissolved	DIC	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
10	Carbonate ion	[CO3]2-	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
11	Bicarbonate ion	[HCO3]-	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
12	Carbon dioxide	CO2	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
13	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Renegar, D Abigail	Calculated from pH and alkalinity
14	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
15	Aragonite saturation state	Omega Arg		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
16	Calcite saturation state	Omega Cal		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
17	Nitrate	[NO3]-	µmol/l	Renegar, D Abigail	Auto-analyzer, Technicon, Armstrong et al., 1967
18	Phosphate	[PO4]3-	µmol/l	Renegar, D Abigail	Spectrophotometer, Ocean Optics CHEM2000
19	Growth rate	µ	mg/day	Renegar, D Abigail	Buoyant weighing technique according to Davies (1989)

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

608 data points

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