Citation:

s12237-018-0437-0

Name: Seawater carbonate chemistry and growth of Macroalgae, Ulva and Seagrass, Zostera marina
Published: 2018
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chlorophyta; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Macroalgae; North Atlantic; Plantae; Primary production/Photosynthesis; Seagrass; Single species; Species interaction; Temperate; Tracheophyta; Ulva lactuca; Zostera marina

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Abstract:

This study reports on experiments performed with a Northwest Atlantic species of the macroalgae, Ulva, and the seagrass, Zostera marina, grown under ambient and elevated levels of pCO2, and subjected to competition with each other. When grown individually, elevated pCO2 significantly increased growth rates and productivity of Ulva and Zostera, respectively, beyond control treatments (by threefold and 27%, respectively). For both primary producers, significant declines in tissue δ13C signatures suggested that increased growth and productivity were associated with a shift from use of HCO3− toward CO2 use. When grown under higher pCO2, Zostera experienced significant increases in leaf and rhizome carbon content as well as significant increases in leaf carbon-to-nitrogen ratios, while sediments within which high CO2 Zostera were grown had a significantly higher organic carbon content. When grown in the presence of Ulva; however, above- and below-ground productivity and tissue nitrogen content of Zostera were significantly lower, revealing an antagonistic interaction between elevated CO2 and the presence of Ulva. The presence of Zostera had no significant effect on the growth of Ulva. Collectively, this study demonstrates that while Ulva and Zostera can each individually benefit from elevated pCO2 levels, the ability of Ulva to grow more rapidly and inhibit seagrass productivity under elevated pCO2, coupled with accumulation of organic C in sediments, may offset the potential benefits for Zostera within high CO2 environments.

Keyword(s):

Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chlorophyta; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Macroalgae; North Atlantic; Plantae; Primary production/Photosynthesis; Seagrass; Single species; Species interaction; Temperate; Tracheophyta; Ulva lactuca; Zostera marina

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2019): seacarb: seawater carbonate chemistry with R. R package version 3.2.12. https://CRAN.R-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Coverage:

Latitude: 40.850000 * Longitude: -72.250000

Event(s):

Shinnecock_Bay * Latitude: 40.850000 * Longitude: -72.250000 * Method/Device: Experiment (EXP)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2019) 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 2019-10-24.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Gobler, Christopher J		study
2	Species	Species		Gobler, Christopher J
3	Registration number of species	Reg spec no		Gobler, Christopher J
4	Uniform resource locator/link to reference	URL ref		Gobler, Christopher J		WoRMS Aphia ID
5	Treatment	Treat		Gobler, Christopher J
6	Growth rate	µ	1/day	Gobler, Christopher J
7	Growth rate, standard error	µ std e	±	Gobler, Christopher J
8	δ13C	δ13C	‰ PDB	Gobler, Christopher J		tissue
9	δ13C, standard error	δ13C std e	±	Gobler, Christopher J		tissue
10	Carbon, per dry mass	C dm	mg/g	Gobler, Christopher J		tissue
11	Carbon content per dry mass, standard error	C dm std e	±	Gobler, Christopher J		tissue
12	Nitrogen, per dry mass	N dm	mg/g	Gobler, Christopher J		tissue
13	Nitrogen content per dry mass, standard error	N dm std e	±	Gobler, Christopher J		tissue
14	Carbon/Nitrogen ratio	C/N		Gobler, Christopher J		tissue
15	Carbon/Nitrogen ratio, standard error	C/N std e	±	Gobler, Christopher J		tissue
16	Areal productivity	Areal prod	cm/m²/day	Gobler, Christopher J
17	Areal productivity, standard error	Areal prod std e	±	Gobler, Christopher J
18	Biomass production	Biom prod	g/m²/day	Gobler, Christopher J		Above-ground
19	Biomass production, standard error	Biom prod std e	±	Gobler, Christopher J		Above-ground
20	Biomass production	Biom prod	g/m²/day	Gobler, Christopher J		Below-ground
21	Biomass production, standard error	Biom prod std e	±	Gobler, Christopher J		Below-ground
22	Carbon, per dry mass	C dm	mg/g	Gobler, Christopher J		Leaf
23	Carbon content per dry mass, standard error	C dm std e	±	Gobler, Christopher J		Leaf
24	Nitrogen, per dry mass	N dm	mg/g	Gobler, Christopher J		Leaf
25	Nitrogen content per dry mass, standard error	N dm std e	±	Gobler, Christopher J		Leaf
26	Carbon/Nitrogen ratio	C/N		Gobler, Christopher J		Leaf
27	Carbon/Nitrogen ratio, standard error	C/N std e	±	Gobler, Christopher J		Leaf
28	Carbon, per dry mass	C dm	mg/g	Gobler, Christopher J		Rhizome
29	Carbon content per dry mass, standard error	C dm std e	±	Gobler, Christopher J		Rhizome
30	Nitrogen, per dry mass	N dm	mg/g	Gobler, Christopher J		Rhizome
31	Nitrogen content per dry mass, standard error	N dm std e	±	Gobler, Christopher J		Rhizome
32	Carbon/Nitrogen ratio	C/N		Gobler, Christopher J		Rhizome
33	Carbon/Nitrogen ratio, standard error	C/N std e	±	Gobler, Christopher J		Rhizome
34	Carbon, organic, per unit sediment mass	C org/sed	mg/g	Gobler, Christopher J
35	Carbon, organic, standard error	C org e	±	Gobler, Christopher J
36	pH	pH		Gobler, Christopher J		NBS scale
37	pH, standard error	pH std e	±	Gobler, Christopher J		NBS scale
38	Salinity	Sal		Gobler, Christopher J
39	Salinity, standard error	Sal std e	±	Gobler, Christopher J
40	Temperature, water	Temp	°C	Gobler, Christopher J
41	Temperature, water, standard error	T std e	±	Gobler, Christopher J
42	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Gobler, Christopher J
43	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error	pCO2water_SST_wet std e	±	Gobler, Christopher J
44	Carbon, inorganic, dissolved	DIC	µmol/kg	Gobler, Christopher J
45	Carbon, inorganic, dissolved, standard error	DIC std e	±	Gobler, Christopher J
46	Bicarbonate ion	[HCO3]-	µmol/kg	Gobler, Christopher J
47	Bicarbonate ion, standard error	[HCO3]- std e	±	Gobler, Christopher J
48	Nitrate	[NO3]-	µmol/l	Gobler, Christopher J
49	Nitrate, standard error	NO3 std e	±	Gobler, Christopher J
50	Phosphate	[PO4]3-	µmol/l	Gobler, Christopher J
51	Phosphate, standard error	PO4 std e	±	Gobler, Christopher J
52	Ammonium	[NH4]+	µmol/l	Gobler, Christopher J
53	Ammonium, standard error	[NH4]+ std e	±	Gobler, Christopher J
54	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
55	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
56	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
57	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)
58	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)
59	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
60	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
61	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
62	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
63	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

392 data points

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