Citation:

s00227-014-2511-x

Name: Effect of increasing sea water pCO2 on the northern Atlantic krill species Nyctiphanes couchii
Published: 2014-10-31
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Arthropoda; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Laboratory experiment; Mortality/Survival; North Atlantic; Nyctiphanes couchii; Pelagos; Single species; Temperate; Zooplankton

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Abstract:

Surprisingly little is known about potential effects of ocean acidification on krill of the Northern Hemisphere as ecologically very important food web component. Sub-adult individuals of the northern Atlantic krill species Nyctiphanes couchii (caught at Austevoll near Bergen, Norway, in January 2013) were exposed in the laboratory to four different levels of pCO2 (430, 800, 1,100, and 1,700 µatm) for 5 weeks in order to assess potential changes in a set of biological response variables. Survival decreased and the frequency of moulting-related deaths increased with increasing pCO2. Survival was considerably reduced at relatively high pCO2 of 1,700 µatm and tended to be negatively affected at 1,100 µatm pCO2. However, the experimental results show no significant effects of pCO2 on inter-moult period and growth at pCO2 levels below 1,100 µatm. No differences in length measurements of the carapace and uropod were observed across pCO2 levels, indicating no effect of changing carbonate chemistry on the morphology of those calciferous parts of the exoskeleton. The results suggest that sub-adult N. couchii may not suffer dramatically from predicted near-future changes in pCO2. However, potential detrimental effects on the moulting process and associated higher mortality at 1,100 µatm pCO2 cannot be excluded. Further experiments are needed in order to investigate whether early life stages of N. couchii show a different sensitivity to elevated sea water pCO2 and whether those results are transferable to other krill species of the Northern Hemisphere.

Keyword(s):

Animalia; Arthropoda; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Laboratory experiment; Mortality/Survival; North Atlantic; Nyctiphanes couchii; Pelagos; Single species; Temperate; Zooplankton

Further details:

Lavigne, Héloïse; Epitalon, Jean-Marie; Gattuso, Jean-Pierre (2014): seacarb: seawater carbonate chemistry with R. R package version 3.0. https://cran.r-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Coverage:

Latitude: 60.088830 * Longitude: 5.269830

Date/Time Start: 2013-01-11T00:00:00 * Date/Time End: 2013-01-11T00:00:00

Event(s):

Bergen_fjord * Latitude: 60.088830 * Longitude: 5.269830 * Date/Time: 2013-01-11T00:00:00 * Method/Device: Experiment (EXP)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) 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 2014-10-30.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Sperfeld, Erik
2	Figure	Fig		Sperfeld, Erik
3	Table	Tab		Sperfeld, Erik
4	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Sperfeld, Erik		treatment
5	Duration, number of days	Duration	days	Sperfeld, Erik
6	Survival	Survival	%	Sperfeld, Erik
7	Survival rate, standard error	Survival rate std e	±	Sperfeld, Erik		minus
8	Survival rate, standard error	Survival rate std e	±	Sperfeld, Erik		plus
9	Individuals	Ind	#	Sperfeld, Erik		non-moulting-related death
10	Individuals	Ind	#	Sperfeld, Erik		moulting-related death
11	Individuals	Ind	%	Sperfeld, Erik		moulting-related death
12	Length	l	mm	Sperfeld, Erik		uropod
13	Length	l	mm	Sperfeld, Erik		total
14	Carapace, length	Carap l	mm	Sperfeld, Erik
15	Carapace width	Carap w	mm	Sperfeld, Erik
16	Diameter	Ø	mm	Sperfeld, Erik		eye
17	Time in days	Time	days	Sperfeld, Erik		inter-moult period
18	Time, standard deviation	Time std dev		Sperfeld, Erik		inter-moult period
19	Growth rate	µ	mm/day	Sperfeld, Erik		absolute
20	Growth rate, standard deviation	µ std dev	±	Sperfeld, Erik		absolute
21	Growth rate	µ	%/day	Sperfeld, Erik
22	Growth rate, standard deviation	µ std dev	±	Sperfeld, Erik
23	Salinity	Sal		Sperfeld, Erik
24	Salinity, standard deviation	Sal std dev	±	Sperfeld, Erik
25	Phosphate	PHSPHT	µmol/kg	Sperfeld, Erik	Spectrophotometric
26	Phosphate, standard deviation	[PO4]3- std dev	±	Sperfeld, Erik	Spectrophotometric
27	Silicate	SILCAT	µmol/kg	Sperfeld, Erik	Spectrophotometric
28	Silicate, standard deviation	Si(OH)4 std dev	±	Sperfeld, Erik	Spectrophotometric
29	Temperature, water	Temp	°C	Sperfeld, Erik
30	Temperature, water, standard deviation	Temp std dev	±	Sperfeld, Erik
31	Carbon, inorganic, dissolved	DIC	µmol/kg	Sperfeld, Erik	Coulometric titration
32	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Sperfeld, Erik	Coulometric titration
33	Bicarbonate ion	[HCO3]-	µmol/kg	Sperfeld, Erik	Calculated using CO2SYS
34	Bicarbonate ion, standard deviation	[HCO3]- std dev	±	Sperfeld, Erik	Calculated using CO2SYS
35	Carbonate ion	[CO3]2-	µmol/kg	Sperfeld, Erik	Calculated using CO2SYS
36	Carbonate ion, standard deviation	[CO3]2- std dev	±	Sperfeld, Erik	Calculated using CO2SYS
37	Carbon dioxide	CO2	µmol/kg	Sperfeld, Erik	Calculated using CO2SYS
38	Carbon dioxide, standard deviation	CO2 std dev	±	Sperfeld, Erik	Calculated using CO2SYS
39	Calcite saturation state	Omega Cal		Sperfeld, Erik	Calculated using CO2SYS
40	Calcite saturation state, standard deviation	Omega Cal std dev	±	Sperfeld, Erik	Calculated using CO2SYS
41	Aragonite saturation state	Omega Arg		Sperfeld, Erik	Calculated using CO2SYS
42	Aragonite saturation state, standard deviation	Omega Arg std dev	±	Sperfeld, Erik	Calculated using CO2SYS
43	pH	pH		Sperfeld, Erik	Calculated using CO2SYS	total scale
44	pH, standard deviation	pH std dev	±	Sperfeld, Erik	Calculated using CO2SYS	total scale
45	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Sperfeld, Erik	Calculated using CO2SYS
46	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Sperfeld, Erik	Calculated using CO2SYS
47	Alkalinity, total	AT	µmol/kg	Sperfeld, Erik	Potentiometric titration
48	Alkalinity, total, standard deviation	AT std dev	±	Sperfeld, Erik	Potentiometric titration
49	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
50	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
51	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
52	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)
53	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)
54	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
55	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
56	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
57	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:

9602 data points

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