Citation:

fsz135

Name: Seawater carbonate chemistry and growth of four North Atlantic bivalves
Published: 2019-11-08
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 Pacific; Plantae; Primary production/Photosynthesis; Respiration; Salinity; Single species; Temperate; Ulva linza

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Abstract:

To understand how Ulva species might respond to salinity stress during future ocean acidification we cultured a green tide alga Ulva linza at various salinities (control salinity, 30 PSU; medium salinity, 20 PSU; low salinity, 10 PSU) and CO2 concentrations (400 and 1000 ppmv) for over 30 days. The results showed that, under the low salinity conditions, the thalli could not complete its whole life cycle. The specific growth rate (SGR) of juvenile thalli decreased significantly with reduced salinity but increased with a rise in CO2. Compared to the control, medium salinity also decreased the SGR of adult thalli at low CO2 but did not affect it at high CO2. Similar patterns were also found in relative electron transport rate (rETR), non-photochemical quenching, saturating irradiance, and Chl b content. Although medium salinity reduced net photosynthetic rate and maximum rETR at each CO2 level, these negative effects were significantly alleviated at high CO2 levels. In addition, nitrate reductase activity was reduced by medium salinity but enhanced by high CO2. These findings indicate that future ocean acidification would enhance U. linza's tolerance to low salinity stress and may thus facilitate the occurrence of green tides dominated by U. linza.

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 Pacific; Plantae; Primary production/Photosynthesis; Respiration; Salinity; Single species; Temperate; Ulva linza

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: 34.750000 * Longitude: 119.416700

Date/Time Start: 1975-01-01T00:00:00 * Date/Time End: 1997-12-31T00:00:00

Event(s):

Lianyungang * Latitude: 34.750000 * Longitude: 119.416700 * Date/Time Start: 1975-01-01T00:00:00 * Date/Time End: 1997-12-31T00:00:00 * Campaign: * Method/Device: (TGS)

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		Xu, Juntian		study
2	Species	Species		Xu, Juntian
3	Registration number of species	Reg spec no		Xu, Juntian
4	Uniform resource locator/link to reference	URL ref		Xu, Juntian		WoRMS Aphia ID
5	Treatment	Treat		Xu, Juntian
6	Treatment	Treat		Xu, Juntian
7	Stage	Stage		Xu, Juntian
8	Generation span	Gen span	day	Xu, Juntian
9	Generation span, standard deviation	Gen span std dev	±	Xu, Juntian
10	Growth	Growth	%	Xu, Juntian
11	Growth rate, standard deviation	µ std dev	±	Xu, Juntian
12	Electron transport rate, relative	rETR	µmol e/m²/s	Xu, Juntian
13	Electron transport rate, relative, standard deviation	rETR std dev	±	Xu, Juntian
14	Non photochemical quenching	NPQ		Xu, Juntian
15	Non photochemical quenching, standard deviation	NPQ std dev	±	Xu, Juntian
16	Irradiance	E	µmol/m²/s	Xu, Juntian
17	Electron transport rate efficiency	alpha		Xu, Juntian
18	Electron transport rate efficiency, standard deviation	alpha std dev	±	Xu, Juntian
19	Maximal electron transport rate, relative	rETR max	µmol e/m²/s	Xu, Juntian
20	Maximal electron transport rate, relative, standard deviation	rETR max std dev	±	Xu, Juntian
21	Light saturation point	Ik	µmol/m²/s	Xu, Juntian
22	Light saturation point, standard deviation	Ik std dev	±	Xu, Juntian
23	Net photosynthesis rate, oxygen	PN O2	µmol/g/h	Xu, Juntian
24	Net photosynthesis rate, standard deviation	PN std dev	±	Xu, Juntian
25	Respiration rate, oxygen	Resp O2	µmol/g/h	Xu, Juntian
26	Respiration rate, oxygen, standard deviation	Resp O2 std dev	±	Xu, Juntian
27	Chlorophyll a	Chl a	µg/g	Xu, Juntian
28	Chlorophyll a, standard deviation	Chl a std dev	±	Xu, Juntian
29	Chlorophyll b	Chl b	µg/g	Xu, Juntian
30	Chlorophyll b, standard deviation	Chl b std dev	±	Xu, Juntian
31	Carotenoids	Carotenoids	µg/g	Xu, Juntian
32	Carotenoids, standard deviation	Carotenoids std dev	±	Xu, Juntian
33	Nitrate reductase activity	NO3 reduct act	µmol/g/h	Xu, Juntian
34	Nitrate reductase activity, standard deviation	NO3 reduct act std dev	±	Xu, Juntian
35	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Xu, Juntian
36	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Xu, Juntian
37	pH	pH		Xu, Juntian		NBS scale
38	pH, standard deviation	pH std dev	±	Xu, Juntian		NBS scale
39	Carbon, inorganic, dissolved	DIC	mg/l	Xu, Juntian
40	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Xu, Juntian
41	Bicarbonate ion	[HCO3]-	µmol/kg	Xu, Juntian
42	Bicarbonate ion, standard deviation	[HCO3]- std dev	±	Xu, Juntian
43	Carbonate ion	[CO3]2-	µmol/kg	Xu, Juntian
44	Carbonate ion, standard deviation	[CO3]2- std dev	±	Xu, Juntian
45	Carbon dioxide	CO2	µmol/kg	Xu, Juntian
46	Carbon dioxide, standard deviation	CO2 std dev	±	Xu, Juntian
47	Alkalinity, total	AT	µmol/kg	Xu, Juntian
48	Alkalinity, total, standard deviation	AT std dev	±	Xu, Juntian
49	Salinity	Sal		Xu, Juntian
50	Temperature, water	Temp	°C	Xu, Juntian
51	Temperature, water, standard deviation	Temp std dev	±	Xu, Juntian
52	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
53	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
54	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
55	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)
56	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)
57	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
58	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
59	Carbon, inorganic, dissolved	DIC	mg/l	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
60	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
61	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:

1884 data points

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