Citation:

rspb.2011.1763

Name: Seawater carbonate chemistry, nutrients and calcification during experiments with cold-water scleractinian corals (Lophelia pertusa, Madrepora oculata and Desmophyllum dianthus), 2011
Published: 2012
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Benthic animals; Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Deep-sea; Desmophyllum sp.; Laboratory experiment; Lophelia pertusa; Madrepora oculata; Mediterranean Sea; Single species; Temperate

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Abstract:

Global environmental changes, including ocean acidification, have been identified as a major threat to scleractinian corals. General predictions are that ocean acidification will be detrimental to reef growth and that 40 to more than 80 per cent of present-day reefs will decline during the next 50 years. Cold-water corals (CWCs) are thought to be strongly affected by changes in ocean acidification owing to their distribution in deep and/or cold waters, which naturally exhibit a CaCO3 saturation state lower than in shallow/warm waters. Calcification was measured in three species of Mediterranean cold-water scleractinian corals (Lophelia pertusa, Madrepora oculata and Desmophyllum dianthus) on-board research vessels and soon after collection. Incubations were performed in ambient sea water. The species M. oculata was additionally incubated in sea water reduced or enriched in CO2. At ambient conditions, calcification rates ranged between -0.01 and 0.23% d-1. Calcification rates of M. oculata under variable partial pressure of CO2 (pCO2) were the same for ambient and elevated pCO2 (404 and 867 µatm) with 0.06 ± 0.06% d-1, while calcification was 0.12 ± 0.06% d-1 when pCO2 was reduced to its pre-industrial level (285 µatm). This suggests that present-day CWC calcification in the Mediterranean Sea has already drastically declined (by 50%) as a consequence of anthropogenic-induced ocean acidification.

Keyword(s):

Animalia; Benthic animals; Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Deep-sea; Desmophyllum sp.; Laboratory experiment; Lophelia pertusa; Madrepora oculata; Mediterranean Sea; Single species; Temperate

Project(s):

European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS)

European Project on Ocean Acidification (EPOCA)

Ocean Acidification International Coordination Centre (OA-ICC)

Funding:

Seventh Framework Programme (FP7), grant/award no. 211384 : European Project on Ocean Acidification

Sixth Framework Programme (FP6), grant/award no. 511106 : European network of excellence for Ocean Ecosystems Analysis

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) 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).

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Identification	ID		Maier, Cornelia
2	Site	Site		Maier, Cornelia
3	Species	Species		Maier, Cornelia
4	Experiment day	Exp day	day	Maier, Cornelia
5	Replicates	Repl	#	Maier, Cornelia
6	Coral polyp	Polyp	#	Maier, Cornelia
7	Coral polyp, standard deviation	Polyp std dev	±	Maier, Cornelia
8	Lophelia pertusa, tissue, dry weight	L. pertusa tis DW	mg	Maier, Cornelia	Measured
9	Lophelia pertusa, tissue, dry weight, standard error	L. pertusa tis DW std e	±	Maier, Cornelia
10	Madrepora oculata, dry weight	M. oculata DW	mg	Maier, Cornelia	Measured
11	Madrepora oculata, dry weight, standard deviation	M. oculata DW std dev	±	Maier, Cornelia
12	Desmophyllum sp., dry weight	Desmophyllum sp. DW	mg	Maier, Cornelia	Measured
13	Desmophyllum sp., dry weight, standard deviation	Desmophyllum sp. DW std dev	±	Maier, Cornelia
14	Salinity	Sal		Maier, Cornelia
15	Temperature, water	Temp	°C	Maier, Cornelia
16	Carbon, inorganic, dissolved	DIC	µmol/kg	Maier, Cornelia	AIRICA analyzer (Miranda)
17	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Maier, Cornelia
18	Alkalinity, total	AT	µmol/kg	Maier, Cornelia	Metrohm Titrando titrator
19	Alkalinity, total, standard deviation	AT std dev	±	Maier, Cornelia
20	Phosphate	PHSPHT	µmol/kg	Maier, Cornelia
21	Phosphate, standard deviation	[PO4]3- std dev	±	Maier, Cornelia
22	Ammonium	[NH4]+	µmol/kg	Maier, Cornelia
23	Ammonium, standard deviation	[NH4]+ std dev	±	Maier, Cornelia
24	Calcification rate	Calc rate	%/day	Maier, Cornelia	Alkalinity anomaly technique (Smith and Key, 1975)
25	Calcification rate, standard deviation	Calc rate std dev	±	Maier, Cornelia
26	Carbonate system computation flag	CSC flag		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
27	pH	pH		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)	Total scale
28	Carbon dioxide	CO2	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
29	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
30	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
31	Bicarbonate ion	[HCO3]-	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
32	Carbonate ion	[CO3]2-	µmol/kg	Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
33	Aragonite saturation state	Omega Arg		Nisumaa, Anne-Marin	Calculated using seacarb after Nisumaa et al. (2010)
34	Calcite saturation state	Omega Cal		Nisumaa, Anne-Marin	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:

608 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 ID	2 Site	3 Species	4 Exp day [day]	5 Repl [#]	6 Polyp [#]	7 Polyp std dev [±]	8 L. pertusa tis DW [mg]	9 L. pertusa tis DW std e [±]	10 M. oculata DW [mg]	11 M. oculata DW std dev [±]	12 Desmophyllum sp. DW [mg]	13 Desmophyllum sp. DW std dev [±]	14 Sal	15 Temp [°C]	16 DIC [µmol/kg]	17 DIC std dev [±]	18 AT [µmol/kg]	19 AT std dev [±]	20 PHSPHT [µmol/kg]	21 [PO4]3- std dev [±]	22 [NH4]+ [µmol/kg]	23 [NH4]+ std dev [±]	24 Calc rate [%/day]	25 Calc rate std dev [±]	26 CSC flag	27 pH	28 CO2 [µmol/kg]	29 pCO2water_SST_wet [µatm]	30 fCO2water_SST_wet [µatm]	31 [HCO3]- [µmol/kg]	32 [CO3]2- [µmol/kg]	33 Omega Arg	34 Omega Cal
Incubation 1	LD9_500	Lophelia pertusa	0	3	3.3	1.5	490	90					38	12.5	2349	14.93	2643	2.62	0.41	0.02	2.49	0.01			15	8.14	13.82	348.58	347.30	2122.51	212.67	3.18	4.96
Incubation 2	LD9_267	Lophelia pertusa	0	3	8.3	1.5	2030	720					38	12.5	2349	14.93	2643	2.62	0.41	0.02	2.49	0.01			15	8.14	13.82	348.58	347.30	2122.51	212.67	3.18	4.96
Incubation 3	LD9_500	Lophelia pertusa	0	3	7.0	1.7	3360	2630					38	12.5	2344	2.18	2643	0.16	0.24	0.01	0.08	0.02			15	8.15	13.51	340.78	339.53	2114.57	215.92	3.23	5.04
Incubation 4	LD9_500	Madrepora oculata	0	3					2210	1380			38	12.5	2344	2.18	2643	0.16	0.24	0.01	0.08	0.02			15	8.15	13.51	340.78	339.53	2114.57	215.92	3.23	5.04
Incubation 5	CS5_500	Madrepora oculata	0	3	40.3	5.0			1420	150			38	12.5	2338	6.33	2621	10.06	0.33	0.03	1.02	0.05			15	8.13	14.30	360.65	359.32	2118.86	204.85	3.06	4.78
Incubation 6	CS5_500	Madrepora oculata	0	8	43.3	12.5			1030	420			38	12.5	2350	17.58	2614	13.51	0.29	0.01	0.29	0.03			15	8.10	15.55	392.32	390.87	2142.00	192.45	2.88	4.49
Incubation 7	CS5_500	Madrepora oculata	0	15	45.0	11.5			1200	380			38	12.5	2664	73.63	2805	1.49	0.05	0.02	4.71	0.21			15	7.83	33.44	843.44	840.34	2507.86	122.70	1.83	2.86
Incubation 8	CS5_500	Madrepora oculata	0	15	45.0	11.5			1200	380			38	12.5	2325	2.82	2561	5.50							15	8.05	17.17	433.14	431.55	2134.70	173.12	2.59	4.04
Incubation 9	CS5_500	Madrepora oculata	0	15	45.0	11.5			1200	380			38	12.5	2268	12.62	2617	5.56							15	8.23	10.64	268.30	267.31	2009.66	247.71	3.70	5.78
Incubation 10	MC25_690	Lophelia pertusa	0	1	7.0		3530	0					38	12.5	2390	21.85	2652	11.22	0.01		0.21				15	8.09	16.14	407.11	405.61	2181.50	192.36	2.88	4.49
Incubation 11	MC25_690	Madrepora oculata	0	6	23.5	8.3			2790	2380			38	12.5	2390	21.85	2652	11.22	0.01		0.21				15	8.09	16.14	407.11	405.61	2181.50	192.36	2.88	4.49
Incubation 12	MC25_690	Desmophyllum sp	0	5	3.4	1.1					4490	2500	38	12.5	2390	21.85	2652	11.22	0.01		0.21				15	8.09	16.14	407.11	405.61	2181.50	192.36	2.88	4.49
Incubation 1	LD9_500	Lophelia pertusa	1										38	12.5	2341	8.30	2601	8.40	0.58	0.19	6.26	1.37	0.090	0.020	15	8.09	15.70	396.14	394.68	2135.80	189.49	2.83	4.42
Incubation 2	LD9_267	Lophelia pertusa	1										38	12.5	2334	27.20	2581	21.00	0.77	0.32	7.88	1.29	0.033	0.011	15	8.07	16.49	415.96	414.43	2136.87	180.64	2.70	4.21
Incubation 3	LD9_500	Lophelia pertusa	1										38	12.5	2355	11.00	2557	43.00	0.88	0.14	6.04	2.12	0.034	0.013	15	7.99	20.44	515.61	513.71	2182.53	152.03	2.27	3.55
Incubation 4	LD9_500	Madrepora oculata	1										38	12.5	2369	11.70	2621	17.40	0.34	0.04	3.67	2.80	0.018	0.018	15	8.07	16.56	417.77	416.23	2167.40	185.04	2.77	4.32
Incubation 5	CS5_500	Madrepora oculata	1										38	12.5	2363	63.30	2589	28.10	0.76	0.82	5.49	5.43	0.021	0.017	15	8.03	18.43	464.88	463.17	2176.84	167.74	2.51	3.91
Incubation 6	CS5_500	Madrepora oculata	1										38	12.5	2468	112.10	2569	34.20	1.13	0.19	12.38	0.03	0.068	0.068	15	7.75	37.54	946.83	943.35	2335.65	94.81	1.42	2.21
Incubation 7	CS5_500	Madrepora oculata	1										38	12.5	2672	67.20	2744	58.10	0.43	0.32	13.88	7.91	0.060	0.060	15	7.67	49.49	1248.46	1243.87	2537.63	84.88	1.27	1.98
Incubation 8	CS5_500	Madrepora oculata	1										38	12.5	2364	53.30	2514	43.40					0.060	0.060	15	7.88	26.70	673.61	671.13	2217.20	120.09	1.80	2.80
Incubation 9	CS5_500	Madrepora oculata	1										38	12.5	2156	548.90	2574	32.30					0.110	0.090	15	8.34	7.71	194.51	193.79	1856.65	291.64	4.36	6.80
Incubation 10	MC25_690	Lophelia pertusa	1										38	12.5	2426	0.00	2534	0.00	0.01		4.76		0.028	0.000	15	7.77	35.17	887.15	883.89	2293.28	97.55	1.46	2.28
Incubation 11	MC25_690	Madrepora oculata	1										38	12.5	2439	29.30	2582	30.70	0.01		3.43	4.54	0.037	0.036	15	7.85	29.05	732.91	730.21	2292.00	117.95	1.76	2.75
Incubation 12	MC25_690	Desmophyllum sp	1										38	12.5	2447	30.50	2615	17.80	0.05	0.06	22.50	12.33	0.011	0.007	15	7.91	25.62	646.38	644.00	2288.09	133.28	1.99	3.11