Citation:

PANGAEA.875880

Name: Seawater carbonate chemistry and body size, respiration and photosynthesis of the branching coral Pocillopora verrucosa
Published: 2016
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Benthic animals; Benthos; Calcification/Dissolution; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Growth/Morphology; Laboratory experiment; Pocillopora verrucosa; Primary production/Photosynthesis; Respiration; Single species; South Pacific; Temperature; Tropical

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Abstract:

Body size has large effects on organism physiology, but these effects remain poorly understood in modular animals with complex morphologies. Using two trials of a 24 day experiment conducted in 2014 and 2015, we tested the hypothesis that colony size of the coral Pocillopora verrucosa affects the response of calcification, aerobic respiration and gross photosynthesis to temperature (26.5 and 29.7°C) and pCO2 (40 and 1000 µatm). Large corals calcified more than small corals, but at a slower size-specific rate; area-normalized calcification declined with size. Whole-colony and area-normalized calcification were unaffected by temperature, pCO2, or the interaction between the two. Whole-colony respiration increased with colony size, but the slopes of these relationships differed between treatments. Area-normalized gross photosynthesis declined with colony size, but whole-colony photosynthesis was unaffected by pCO2, and showed a weak response to temperature. When scaled up to predict the response of large corals, area-normalized metrics of physiological performance measured using small corals provide inaccurate estimates of the physiological performance of large colonies. Together, these results demonstrate the importance of colony size in modulating the response of branching corals to elevated temperature and high pCO2.

Keyword(s):

Animalia; Benthic animals; Benthos; Calcification/Dissolution; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Growth/Morphology; Laboratory experiment; Pocillopora verrucosa; Primary production/Photosynthesis; Respiration; Single species; South Pacific; Temperature; Tropical

Related to:

Edmunds, Peter J; Burgess, Scott C (2016): Size-dependent physiological responses of the branching coral Pocillopora verrucosa to elevated temperature and PCO2. Journal of Experimental Biology, 219, 3896-3906, https://doi.org/10.1242/jeb.146381

Original version:

Edmunds, Peter J (2016): MCR LTER: Coral Reef: Coral size, temperature, and pCO2 data in support of Edmunds 2016 J Exp Biology. Environmental Data Initiative, https://doi.org/10.6073/pasta/840e360f30e8028eeecf800548e33a55

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2016) 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 2017-06-01.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Edmunds, Peter J		study
2	Species	Species		Edmunds, Peter J
3	Registration number of species	Reg spec no		Edmunds, Peter J
4	Uniform resource locator/link to reference	URL ref		Edmunds, Peter J		WoRMS Aphia ID
5	Experiment duration	Exp duration	days	Edmunds, Peter J
6	Experiment	Exp		Edmunds, Peter J		Trial
7	Temperature, water	Temp	°C	Edmunds, Peter J		treatment
8	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Edmunds, Peter J		treatment
9	Class	Class		Edmunds, Peter J		size class of coral as detailed in paper (1,2,3 or 4, from smallest to largest)
10	Identification	ID		Edmunds, Peter J		Coral
11	Identification	ID		Edmunds, Peter J		Tank
12	Diameter	Ø	mm	Edmunds, Peter J		initial planar
13	Area	Area	cm²	Edmunds, Peter J		initial tissue
14	Mass	Mass	g	Edmunds, Peter J		initial weight of colony (g) as determined from bouyant weighing
15	Growth rate per area	µ per area	mg/cm²/day	Edmunds, Peter J
16	Growth rate per colony	µ per colony	mg/#/day	Edmunds, Peter J
17	Respiration rate, oxygen	Resp O2	µmol/cm²/h	Edmunds, Peter J		aerobic dark
18	Gross photosynthesis rate, oxygen	PG O2	µmol/cm²/h	Edmunds, Peter J
19	pH	pH		Edmunds, Peter J	Spectrophotometric	total scale
20	pH, standard error	pH std e	±	Edmunds, Peter J	Spectrophotometric	total scale
21	Alkalinity, total	AT	µmol/kg	Edmunds, Peter J	Potentiometric titration
22	Alkalinity, total, standard error	AT std e	±	Edmunds, Peter J	Potentiometric titration
23	Carbon, inorganic, dissolved	DIC	µmol/kg	Edmunds, Peter J	Calculated using seacarb
24	Carbon, inorganic, dissolved, standard error	DIC std e	±	Edmunds, Peter J	Calculated using seacarb
25	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Edmunds, Peter J	Calculated using seacarb
26	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error	pCO2water_SST_wet std e	±	Edmunds, Peter J	Calculated using seacarb
27	Aragonite saturation state	Omega Arg		Edmunds, Peter J	Calculated using seacarb
28	Aragonite saturation state, standard error	Omega Arg std e	±	Edmunds, Peter J	Calculated using seacarb
29	Temperature, water	Temp	°C	Edmunds, Peter J
30	Temperature, water, standard error	T std e	±	Edmunds, Peter J
31	Salinity	Sal		Edmunds, Peter J
32	Salinity, standard error	Sal std e	±	Edmunds, Peter J
33	Irradiance	E	µmol/m²/s	Edmunds, Peter J
34	Irradiance, standard error	E std e	±	Edmunds, Peter J
35	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	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)
38	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)
39	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
40	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
41	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
42	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
43	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:

3141 data points

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