Citation:

j.chemosphere.2019.125415

Name: Seawater carbonate chemistry and mussel shell defense capacity of Mytilus coruscus
Published: 2020-02-05
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Acid-base regulation; Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mollusca; Mytilus coruscus; North Pacific; Other studied parameter or process; Single species; Temperate

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Abstract:

Oceanic uptake of atmospheric CO2 is reducing seawater pH and shifting carbonate chemistry within, a process termed as ocean acidification (OA). Marine mussels are a family of ecologically and economically significant bivalves that are widely distributed along coastal areas worldwide. Studies have demonstrated that OA greatly disrupts mussels' physiological functions. However, the underlying molecular responses (e.g., whether there were any molecular compensation mechanisms) and the extent to which OA affects mussel shell defense capacity remain largely unknown. In this study, the thick shell mussels Mytilus coruscus were exposed to the ambient pH (8.1) or one of two lowered pH levels (7.8 and 7.4) for 40 days. The results suggest that future OA will damage shell structure and weaken shell strength and shell closure strength, ultimately reducing mussel shell defense capacity. In addition, future OA will also disrupt haemolymph pH and Ca2+ homeostasis, leading to extracellular acidosis and Ca2+ deficiency. Mantle transcriptome analyses indicate that mussels will adopt a series of molecular compensatory responses to mitigate these adverse effects; nevertheless, weakened shell defense capacity will increase mussels' susceptibility to predators, parasites and pathogens, and thereby reduce their fitness. Overall, the findings of this study have significant ecological and economic implications, and will enhance our understanding of the future of the mussel aquaculture industry and coastal ecosystems.

Keyword(s):

Acid-base regulation; Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mollusca; Mytilus coruscus; North Pacific; Other studied parameter or process; Single species; Temperate

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: 28.250000 * Longitude: 121.366600

Event(s):

Dongtou_Island_OA * Latitude: 28.250000 * Longitude: 121.366600 * Method/Device: Experiment (EXP)

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 2020-02-03.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Liu, Guangxu		study
2	Species	Species		Liu, Guangxu
3	Registration number of species	Reg spec no		Liu, Guangxu
4	Uniform resource locator/link to reference	URL ref		Liu, Guangxu		WoRMS Aphia ID
5	Experiment duration	Exp duration	days	Liu, Guangxu
6	Treatment	Treat		Liu, Guangxu
7	Replicate	Repl		Liu, Guangxu
8	Area	Area	%	Liu, Guangxu		Corroded area of internal shell surface
9	Area	Area	%	Liu, Guangxu		Corroded area of external shell surface
10	Percentage	Perc	%	Liu, Guangxu		periostracum discolouration
11	Percentage	Perc	%	Liu, Guangxu		periostracum breakage & lifting
12	Percentage	Perc	%	Liu, Guangxu		prismatic layer dissolution
13	Shell strength	Shell str	N	Liu, Guangxu
14	Size	Size		Liu, Guangxu		Relative size of the posterior adductor muscle
15	Haemolymph, pH	pH (ha)		Liu, Guangxu
16	Haemolymph, calcium ion	Ca2+ (ha)	mg/l	Liu, Guangxu
17	pH	pH		Liu, Guangxu	Potentiometric	NBS scale
18	pH, standard deviation	pH std dev	±	Liu, Guangxu	Potentiometric	NBS scale
19	Temperature, water	Temp	°C	Liu, Guangxu
20	Temperature, water, standard deviation	Temp std dev	±	Liu, Guangxu
21	Salinity	Sal		Liu, Guangxu
22	Salinity, standard deviation	Sal std dev	±	Liu, Guangxu
23	Alkalinity, total	AT	µmol/kg	Liu, Guangxu	Potentiometric titration
24	Alkalinity, total, standard deviation	AT std dev	±	Liu, Guangxu	Potentiometric titration
25	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Liu, Guangxu	Calculated using CO2SYS
26	Partial pressure of carbon dioxide, standard deviation	pCO2 std dev	±	Liu, Guangxu	Calculated using CO2SYS
27	Carbon, inorganic, dissolved	DIC	µmol/kg	Liu, Guangxu	Calculated using CO2SYS
28	Carbon, inorganic, dissolved, standard deviation	DIC std dev	±	Liu, Guangxu	Calculated using CO2SYS
29	Aragonite saturation state	Omega Arg		Liu, Guangxu	Calculated using CO2SYS
30	Aragonite saturation state, standard deviation	Omega Arg std dev	±	Liu, Guangxu	Calculated using CO2SYS
31	Calcite saturation state	Omega Cal		Liu, Guangxu	Calculated using CO2SYS
32	Calcite saturation state, standard deviation	Omega Cal std dev	±	Liu, Guangxu	Calculated using CO2SYS
33	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
35	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	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)
37	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)
38	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
39	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
40	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
41	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
42	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:

3177 data points

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