Citation:

PANGAEA.867479

Name: Long-term effects of altered pH and temperature on the feeding energetics of the Antarctic sea urchin, Sterechinus neumayeri
Published: 2016-11-02
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Antarctic; Behaviour; Benthic animals; Benthos; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Echinodermata; Growth/Morphology; Laboratory experiment; Other metabolic rates; Polar; Reproduction; Respiration; Single species; Sterechinus neumayeri; Temperature

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Abstract:

This study investigated the effects of long-term incubation to near-future combined warming (+2 °C) and ocean acidification (-0.3 and -0.5 pH units) stressors, relative to current conditions (-0.3 °C and pH 8.0), on the energetics of food processing in the Antarctic sea urchin, Sterechinus neumayeri. After an extended incubation of 40 months, energy absorbed, energy lost through respiration and lost as waste were monitored through two feeding cycles. Growth parameters (mass of somatic and gonad tissues and the CHN content of gonad) were also measured. There were no significant effects of combined ocean acidification (OA) and temperature stressors on the growth of somatic or reproductive tissue. Despite more food being consumed in the low temperature control, once food processing and maintenance costs were subtracted, there were no significant effects of treatment on the scope for growth. The biggest significant differences were between amounts of food consumed during the two feeding cycles. More food was consumed by the low temperature (0 °C) control animals, indicating a potential effect of the changed conditions on digestive efficiency. Also, in November, more food was consumed, with a higher absorption efficiency, which resulted in a higher scope for growth in November than September and may reflect increased energetic needs associated with a switch to summer physiology. The effect of endogenous seasonal cycles and environmental variability on organism capacity is discussed.

Keyword(s):

Animalia; Antarctic; Behaviour; Benthic animals; Benthos; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Echinodermata; Growth/Morphology; Laboratory experiment; Other metabolic rates; Polar; Reproduction; Respiration; Single species; Sterechinus neumayeri; Temperature

Related to:

Morley, Simon A; Suckling, Coleen C; Clark, Melody S; Cross, Emma L; Peck, Loyd S (2016): Long-term effects of altered pH and temperature on the feeding energetics of the Antarctic sea urchin, Sterechinus neumayeri. Biodiversity-Ottawa, 17(1-2), 34-45, https://doi.org/10.1080/14888386.2016.1174956

Original version:

Morley, Simon A; Suckling, Coleen C (2014): Energy budget acclimation data for long term combined pH and temperature stressors in adult Antarctic urchins, Sterechinus neumayeri. Polar Data Centre; British Antarctic Survey, Natural Environment Research Council; Cambridge, CB3 0ET, UK, https://doi.org/10.5285/f8f45574-ee63-4dcb-bdf6-8c291bb65793

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.8. https://cran.r-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Coverage:

Latitude: -67.566670 * Longitude: -68.133330

Date/Time Start: 2012-09-25T00:00:00 * Date/Time End: 2012-11-14T00:00:00

Event(s):

South_Cove_OA * Latitude: -67.566670 * Longitude: -68.133330 * Date/Time Start: 2012-09-25T00:00:00 * Date/Time End: 2012-11-14T00:00:00 * Method/Device: Experiment (EXP)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2015) 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 2016-10-31.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Morley, Simon A		study
2	Species	Species		Morley, Simon A
3	Registration number of species	Reg spec no		Morley, Simon A
4	Uniform resource locator/link to reference	URL ref		Morley, Simon A		WoRMS Aphia ID
5	Date	Date		Morley, Simon A
6	Treatment	Treat		Morley, Simon A
7	Identification	ID		Morley, Simon A		animal
8	Temperature, water	Temp	°C	Morley, Simon A
9	Dry mass	Dry m	g	Morley, Simon A		urchin-gonad
10	Ash free dry mass	afdm	g	Morley, Simon A		urchin-gonad
11	Dry mass	Dry m	g	Morley, Simon A		total gonad
12	Ash free dry mass	afdm	g	Morley, Simon A		total gonad
13	Dry mass	Dry m	g	Morley, Simon A		total
14	Ash free dry mass	afdm	g	Morley, Simon A		total
15	Gonadosomatic index	GSI	%	Morley, Simon A
16	Respiration rate, oxygen	Resp O2	µmol/g/h	Morley, Simon A
17	Respiration rate, oxygen	Resp O2	µmol/g/h	Morley, Simon A		before feeding
18	Respiration rate, oxygen	Resp O2	µmol/g/h	Morley, Simon A		after feeding
19	Energy budget	E budg	J/g/h	Morley, Simon A		O2 consumption
20	Ammonia excretion	NH3/[NH4]+ exc	µmol/g/h	Morley, Simon A
21	Ammonia excretion	NH3/[NH4]+ exc	µmol/g/h	Morley, Simon A		before feeding
22	Ammonia excretion	NH3/[NH4]+ exc	µmol/g/h	Morley, Simon A		after feeding
23	Energy budget	E budg	J/g/h	Morley, Simon A		Ammonia production
24	Urea	Urea	µmol/g	Morley, Simon A
25	Urea	Urea	µmol/g	Morley, Simon A		before feeding
26	Urea	Urea	µmol/g	Morley, Simon A		after feeding
27	Energy budget	E budg	J/h	Morley, Simon A		urea production
28	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		NH3 only
29	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		before feeding, NH3 only
30	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		after feeding, NH3 only
31	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		total
32	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		before feeding, total
33	Oxygen consumed/Nitrogen excreted ratio	O cons/N exc		Morley, Simon A		after feeding, total
34	Energy budget	E budg	J/g/h	Morley, Simon A		consumption of food
35	Gonad, mass	Gon m	g	Morley, Simon A		proportions of Carbon
36	Gonad, mass	Gon m	g	Morley, Simon A		proportions of Hydrogen
37	Gonad, mass	Gon m	g	Morley, Simon A		proportions of Nitrogen
38	Dry mass	Dry m	g	Morley, Simon A		faeces
39	Ash free dry mass	afdm	g	Morley, Simon A		faeces
40	Ash free dry mass/dry mass ratio	afdm/dm		Morley, Simon A		faeces
41	Ash free dry mass/dry mass ratio	afdm/dm		Morley, Simon A		food
42	Energy budget	E budg	J/g/h	Morley, Simon A		absorbed energy from food
43	Scope for growth	SFG		Morley, Simon A		per 21 days
44	Alkalinity, total	AT	µmol/kg	Morley, Simon A	Calculated using CO2SYS
45	Alkalinity, total, standard error	AT std e	±	Morley, Simon A	Calculated using CO2SYS
46	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Morley, Simon A
47	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error	pCO2water_SST_wet std e	±	Morley, Simon A
48	pH	pH		Morley, Simon A	Potentiometric	NBS scale
49	pH, standard error	pH std e	±	Morley, Simon A	Potentiometric	NBS scale
50	Calcite saturation state	Omega Cal		Morley, Simon A	Calculated using CO2SYS
51	Calcite saturation state, standard error	Omega Cal std e	±	Morley, Simon A	Calculated using CO2SYS
52	Aragonite saturation state	Omega Arg		Morley, Simon A	Calculated using CO2SYS
53	Aragonite saturation state, standard error	Omega Arg std e	±	Morley, Simon A	Calculated using CO2SYS
54	Temperature, water	Temp	°C	Morley, Simon A	Calculated using CO2SYS
55	Temperature, water, standard error	T std e	±	Morley, Simon A	Calculated using CO2SYS
56	Salinity	Sal		Morley, Simon A	Calculated using CO2SYS
57	Salinity, standard error	Sal std e	±	Morley, Simon A	Calculated using CO2SYS
58	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
59	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
60	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
61	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)
62	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)
63	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
64	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
65	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
66	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
67	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:

8617 data points

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