Citation:

PANGAEA.923999

Name: Seawater carbonate chemistry and respiration, primary production and composition of microbial community
Published: 2021
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Community composition and diversity; Entire community; Laboratory experiment; North Atlantic; Pelagos; Primary production/Photosynthesis; Respiration; Temperate; Temperature

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DOI registered: 2020-11-22 • Published: 2021 (exact date unknown)

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Abstract:

Ambient conditions shape microbiome responses to both short- and long-duration environment changes through processes including physiological acclimation, compositional shifts, and evolution. Thus, we predict that microbial communities inhabiting locations with larger diel, episodic, and annual variability in temperature and pH should be less sensitive to shifts in these climate-change factors. To test this hypothesis, we compared responses of surface ocean microbes from more variable (nearshore) and more constant (offshore) sites to short-term factorial warming (+3 °C) and/or acidification (pH -0.3). In all cases, warming alone significantly altered microbial community composition, while acidification had a minor influence. Compared with nearshore microbes, warmed offshore microbiomes exhibited larger changes in community composition, phylotype abundances, respiration rates, and metatranscriptomes, suggesting increased sensitivity of microbes from the less-variable environment. Moreover, while warming increased respiration rates, offshore metatranscriptomes yielded evidence of thermal stress responses in protein synthesis, heat shock proteins, and regulation. Future oceans with warmer waters may enhance overall metabolic and biogeochemical rates, but they will host altered microbial communities, especially in relatively thermally stable regions of the oceans.

Keyword(s):

Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Community composition and diversity; Entire community; Laboratory experiment; North Atlantic; Pelagos; Primary production/Photosynthesis; Respiration; Temperate; Temperature

Supplement to:

Wang, Z; Tsementzi, Despina; Williams, Tiffany C; Juarez, Doris L; Blinebry, Sara K; Garcia, Nathan S; Sienkiewicz, Brooke K; Konstantinidis, Konstantinos T; Johnson, Zackary I; Hunt, Dana E (2020): Environmental stability impacts the differential sensitivity of marine microbiomes to increases in temperature and acidity. The ISME Journal, https://doi.org/10.1038/s41396-020-00748-2

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:

Median Latitude: 34.376500 * Median Longitude: -76.434100 * South-bound Latitude: 34.034900 * West-bound Longitude: -76.670700 * North-bound Latitude: 34.718100 * East-bound Longitude: -76.197500

Event(s):

Newport_River_estuary_nearshore * Latitude: 34.718100 * Longitude: -76.670700 * Method/Device: Experiment (EXP)

Newport_River_estuary_offshore * Latitude: 34.034900 * Longitude: -76.197500 * 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 2020-10-20.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Hunt, Dana E
2	Type	Type		Hunt, Dana E		study
3	Day of experiment	DOE	day	Hunt, Dana E
4	Identification	ID		Hunt, Dana E
5	Treatment	Treat		Hunt, Dana E
6	Replicate	Repl		Hunt, Dana E
7	Comment	Comment		Hunt, Dana E
8	Chlorophyll a	Chl a	µg/l	Hunt, Dana E
9	Respiration rate, oxygen	Resp O2	mg/l/day	Hunt, Dana E
10	Primary production of carbon per hour	PP C	mg/m³/h	Hunt, Dana E
11	Cell density	Cells	#/ml	Hunt, Dana E		Synechococcus
12	Cell density	Cells	#/ml	Hunt, Dana E		Peuk
13	Cell density	Cells	#/ml	Hunt, Dana E		pico-Cyanobacteria
14	Cell density	Cells	#/ml	Hunt, Dana E		Bac
15	Salinity	Sal		Hunt, Dana E
16	Temperature, water	Temp	°C	Hunt, Dana E		in lab
17	Temperature, water	Temp	°C	Hunt, Dana E		in situ
18	Carbon, inorganic, dissolved	DIC	µmol/kg	Hunt, Dana E
19	pH, total scale	pHT		Hunt, Dana E		total scale, at 25 C
20	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
21	pH, total scale	pHT		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
22	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
23	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)
24	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)
25	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
26	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
27	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
28	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
29	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:

12208 data points

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