Citation:

lno.10265

Name: Riverine discharges impact physiological traits and carbon sources for shell carbonate in the marine intertidal mussel Perumytilus purpuratus
Published: 2016
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Benthic animals; Benthos; Brackish waters; Calcification/Dissolution; Estuary; Field experiment; Growth/Morphology; Mollusca; Perumytilus purpuratus; Respiration; Single species; South Pacific; Temperate

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Abstract:

Anthropogenic modification watersheds and climate change have altered export from fluvial systems causing changes to the carbonate chemistry of river-influenced near shore environments. To determine the possible effects of riverine discharges on the mussel Perumytilus purpuratus, we performed in situ transplant experiments between river-influenced and open coastal habitats with contrasting seawater carbonate chemistries (i.e., pCO2, pH, Omega ar) across four regions covering a wide latitudinal range (32°55'S-40°10'S). The river-influenced habitats selected for transplant experiments were different than open coastal habitats; with higher pCO2 (354-1313 µatm), lower pH (7.6?7.9) and Omega ar values (0.4?1.4) than in open coastal area. Growth, calcification, metabolism were measured in a reciprocal transplant experiment to determine physiological responses associated with river-influenced sites and non-influenced control sites. Growth and calcification rates were higher in river-influenced habitats; however the organisms in this area also had lower metabolic rates, possibly due to enhanced food supply from river systems. Further analysis of carbon isotopic composition (delta 13C) indicated that the relative contribution of seawater dissolved inorganic carbon (DIC) to the carbonate shells of P. purpuratus was much higher than respiratory carbon. Nevertheless, P. purpuratus incorporated between 7% and 26% of metabolic carbon in the shell depending on season. There was a strong, significant relationship between delta 13C POC and delta 13C Tissue, which likely influenced the isotopic composition of the shell carbon.

Keyword(s):

Animalia; Benthic animals; Benthos; Brackish waters; Calcification/Dissolution; Estuary; Field experiment; Growth/Morphology; Mollusca; Perumytilus purpuratus; Respiration; Single species; South Pacific; Temperate

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 is 2017-01-12.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Vargas, C A		study
2	Species	Species		Vargas, C A
3	Registration number of species	Reg spec no		Vargas, C A
4	Uniform resource locator/link to reference	URL ref		Vargas, C A		WoRMS Aphia ID
5	Figure	Fig		Vargas, C A
6	Month	Month		Vargas, C A
7	Location	Location		Vargas, C A
8	Site	Site		Vargas, C A
9	Treatment	Treat		Vargas, C A
10	δ13C, dissolved inorganic carbon	δ13C DIC	‰ PDB	Vargas, C A
11	δ13C, particulate organic carbon	δ13C POC	‰ PDB	Vargas, C A
12	δ13C, particulate inorganic carbon	δ13C PIC	‰	Vargas, C A		shell
13	δ13C, particulate inorganic carbon	δ13C PIC	‰	Vargas, C A		tissue
14	Percentage	Perc	%	Vargas, C A		inorganic carbon incorporated into shell from respired carbon
15	Percentage	Perc	%	Vargas, C A		inorganic carbon incorporated into shell from DIC
16	Growth rate	µ	mm/day	Vargas, C A
17	Growth rate, standard deviation	µ std dev	±	Vargas, C A
18	Net calcification rate of calcium carbonate, per individual	NC CaCO3/ind	mg/#/day	Vargas, C A
19	Calcification rate, standard deviation	Calc rate std dev	±	Vargas, C A
20	Metabolic rate of oxygen	MR O2	mg/kg/h	Vargas, C A
21	Metabolic rate of oxygen, standard deviation	MR O2 std dev	±	Vargas, C A
22	Salinity	Sal		Vargas, C A
23	Temperature, water	Temp	°C	Vargas, C A
24	pH	pH		Vargas, C A	Potentiometric	total scale
25	Alkalinity, total	AT	µmol/kg	Vargas, C A	Potentiometric titration
26	Carbon, inorganic, dissolved	DIC	µmol/kg	Vargas, C A	Calculated using CO2SYS
27	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Vargas, C A	Calculated using CO2SYS
28	Aragonite saturation state	Omega Arg		Vargas, C A	Calculated using CO2SYS
29	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
30	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
31	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)
32	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)
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	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	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:

2066 data points

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