Citation:

PANGAEA.929951

Name: Seawater carbonate chemistry and growth response of calcifying marine epibionts
Published: 2021-04-01
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Animalia; Arthropoda; Balanus improvisus; Baltic Sea; Benthic animals; Benthos; Bryozoa; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Electra pilosa; Growth/Morphology; Laboratory experiment; Other; Single species; Temperate; Temperature

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Abstract:

In coastal marine environments, physical and biological forces can cause dynamic pH fluctuations from microscale (diffusive boundary layer [DBL]) up to ecosystem‐scale (benthic boundary layer [BBL]). In the face of ocean acidification (OA), such natural pH variations may modulate an organism's response to OA by providing temporal refugia. We investigated the effect of pH fluctuations, generated by the brown alga Fucus serratus' biological activity, on the calcifying epibionts Balanus improvisus and Electra pilosa under OA. For this, both epibionts were grown on inactive and biologically active surfaces and exposed to (1) constant pH scenarios under ambient (pH 8.1) or OA conditions (pH 7.7), or (2) oscillating pH scenarios mimicking BBL conditions at ambient (pH 7.7–8.6) or OA scenarios (pH 7.4–8.2). Furthermore, all treatment combinations were tested at 10°C and 15°C. Against our expectations, OA treatments did not affect epibiont growth under constant or fluctuating (BBL) pH conditions, indicating rather high robustness against predicted OA scenarios. Furthermore, epibiont growth was hampered and not fostered on active surfaces (fluctuating DBL conditions), indicating that fluctuating pH conditions of the DBL with elevated daytime pH do not necessarily provide temporal refugia from OA. In contrast, results indicate that factors other than pH may play larger roles for epibiont growth on macrophytes (e.g., surface characteristics, macrophyte antifouling defense, or dynamics of oxygen and nutrient concentrations). Warming enhanced epibiont growth rates significantly, independently of OA, indicating no synergistic effects of pH treatments and temperature within their natural temperature range.

Keyword(s):

Animalia; Arthropoda; Balanus improvisus; Baltic Sea; Benthic animals; Benthos; Bryozoa; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Electra pilosa; Growth/Morphology; Laboratory experiment; Other; Single species; Temperate; Temperature

Supplement to:

Johnson, Mildred Jessica; Hennigs, Laura Margarethe; Sawall, Yvonne; Pansch, Christian; Wall, Marlene (2020): Growth response of calcifying marine epibionts to biogenic pH fluctuations and global ocean acidification scenarios. Limnology and Oceanography, 9999, 1-14, https://doi.org/10.1002/lno.11669

Original version:

Johnson, Mildred Jessica; Hennigs, Laura Margarethe; Pansch, Christian; Wall, Marlene: Growth response of the barnacle Balanus improvisus and the bryozoan Electra pilosa from Kiel Fjord to biogenic pH fluctuations and global ocean acidification scenarios. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.917864

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James (2021): seacarb: seawater carbonate chemistry with R. R package version 3.2.16. https://cran.r-project.org/web/packages/seacarb/index.html

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, 2021) 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 2021-03-30.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Johnson, Mildred Jessica		study
2	Species	Species		Johnson, Mildred Jessica
3	Registration number of species	Reg spec no		Johnson, Mildred Jessica
4	Uniform resource locator/link to reference	URL ref		Johnson, Mildred Jessica		WoRMS Aphia ID
5	Experiment duration	Exp duration	days	Johnson, Mildred Jessica
6	Replicate	Repl		Johnson, Mildred Jessica		These are the independent experimental units. In each cylinder, there were three Fucus/glas slides per organism (on position top, middle or bottom).
7	Treatment: temperature	T:temp	°C	Johnson, Mildred Jessica
8	Treatment: pH	T:pH		Johnson, Mildred Jessica
9	Treatment	Treat		Johnson, Mildred Jessica		pH dynamics
10	Treatment	Treat		Johnson, Mildred Jessica		Surface: 2 levels: active (Fucus) and inactive (glas)
11	Treatment	Treat		Johnson, Mildred Jessica
12	Position	Position		Johnson, Mildred Jessica		3 levels inside the cylinder: top, middle, bottom
13	Growth rate	µ	mm²/week	Johnson, Mildred Jessica		SGR was calculated at the end of the experiment for each colony (per position) and the mean SGR per cylinder recorded.
14	Growth efficency	Growth effi		Johnson, Mildred Jessica		GE was calculated at the end of the experiment for each colony (per position) and the mean SGR per cylinder calculated.
15	Growth	Growth	%	Johnson, Mildred Jessica		RGR was calculated at the end of the experiment for each colony (per position) and the mean RGR per cylinder calculated.
16	Size	Size	mm	Hennigs, Laura Margarethe		final size:Measured at the end of the experiment (~6 weeks after settlement) using ImageJ2. Length of basal plate given in mm.
17	pH	pH		Johnson, Mildred Jessica		logged with the Kiel indoor Benthocosm setup, total scale
18	pH, standard deviation	pH std dev	±	Johnson, Mildred Jessica		logged with the Kiel indoor Benthocosm setup, total scale
19	Replicates	Repl	#	Johnson, Mildred Jessica
20	Salinity	Sal		Johnson, Mildred Jessica
21	Salinity, standard deviation	Sal std dev	±	Johnson, Mildred Jessica
22	pH	pH		Johnson, Mildred Jessica		total scale
23	pH, standard deviation	pH std dev	±	Johnson, Mildred Jessica		total scale
24	Carbon, inorganic, dissolved	DIC	µmol/kg	Johnson, Mildred Jessica
25	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Johnson, Mildred Jessica
26	Alkalinity, total	AT	µmol/kg	Johnson, Mildred Jessica
27	Alkalinity, total, standard deviation	AT std dev	±	Johnson, Mildred Jessica
28	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Johnson, Mildred Jessica	Calculated using seacarb
29	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Johnson, Mildred Jessica	Calculated using seacarb
30	Calcite saturation state	Omega Cal		Johnson, Mildred Jessica	Calculated using seacarb
31	Calcite saturation state, standard deviation	Omega Cal std dev	±	Johnson, Mildred Jessica	Calculated using seacarb
32	Replicates	Repl	#	Johnson, Mildred Jessica
33	Salinity	Sal		Johnson, Mildred Jessica
34	Salinity, standard deviation	Sal std dev	±	Johnson, Mildred Jessica
35	pH	pH		Johnson, Mildred Jessica		total scale
36	pH, standard deviation	pH std dev	±	Johnson, Mildred Jessica		total scale
37	Carbon, inorganic, dissolved	DIC	µmol/kg	Johnson, Mildred Jessica
38	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Johnson, Mildred Jessica
39	Alkalinity, total	AT	µmol/kg	Johnson, Mildred Jessica
40	Alkalinity, total, standard deviation	AT std dev	±	Johnson, Mildred Jessica
41	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Johnson, Mildred Jessica	Calculated using seacarb
42	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Johnson, Mildred Jessica	Calculated using seacarb
43	Calcite saturation state	Omega Cal		Johnson, Mildred Jessica	Calculated using seacarb
44	Calcite saturation state, standard deviation	Omega Cal std dev	±	Johnson, Mildred Jessica	Calculated using seacarb
45	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
46	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
47	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)
48	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)
49	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
50	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
51	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
52	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
53	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
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	Alkalinity, total	AT	µmol/kg	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:

86045 data points

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