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Wei, Yuzhu; Plath, Lara; Penning, Anne; van der Linden, Maartje; Murk, AlberTinka J; Foekema, Edwin M (2019): The potential impact of underwater exhausted CO2 from innovative ships on invertebrate communities. PANGAEA, https://doi.org/10.1594/PANGAEA.913046

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Abstract:
Liquefied natural gas (LNG) powered ships equipped with an underwater exhaust system to reduce the ship's water resistance could form a future generation of energy-efficient ships. The potential consequences of the underwater exhaust gas to the local ecosystems are still unknown. Especially, the CO2 levels may locally exceed estimated future global levels. The present study exposes marine communities to a wide range of CO2 dosages, resulting in pH 8.6–5.8 that was remained for 49 days. We found that the zooplankton and benthic community were adversely affected by high CO2 exposure levels. In detail, (1) between pH 6.6 and 7.1 polychaete worms became the dominating group of the benthic community and their larvae dominated the zooplankton group. (2) Due to the reduced grazing pressure and the flux of nutrients from decaying organic material planktonic microalgae (phytoplankton) stared blooming at the highest exposure level. The periphyton (fouling microalgae) community was not able to take advantage under these conditions. (3) Marine snails' (periwinkle) shell damage and high mortality were observed at pH < 6.6. However, the growth of the surviving periwinkles was not directly related to pH, but was positively correlated with the availability of periphyton and negatively correlated with the polychaete worm density that most likely also used the periphyton as food source. Our result indicates that the impact of underwater exhaust gasses depends on various factors including local biological and abiotic conditions, which will be included in future research.
Keyword(s):
Benthos; Biomass/Abundance/Elemental composition; Coast and continental shelf; Entire community; Laboratory experiment; Mesocosm or benthocosm; Mortality/Survival; North Atlantic; Pelagos; Soft-bottom community; Temperate
Supplement to:
Wei, Yuzhu; Plath, Lara; Penning, Anne; van der Linden, Maartje; Murk, AlberTinka J; Foekema, Edwin M (2019): The Potential Impact of Underwater Exhausted CO2 from Innovative Ships on Invertebrate Communities. International Journal of Environmental Research, 13(4), 669-678, https://doi.org/10.1007/s41742-019-00201-z
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise; 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
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 2020-02-28.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1TypeTypeWei, Yuzhustudy
2Day of experimentDOEdayWei, Yuzhu
3TreatmentTreatWei, Yuzhu
4Chlorophyll aChl aµg/lWei, Yuzhu
5Chlorophyll a, standard deviationChl a std dev±Wei, Yuzhu
6FluorescenceFluorescenceWei, Yuzhuchlorophyll-a
7FluorescenceFluorescenceWei, Yuzhuchlorophyll-a
8Periphyton presencePeriph presenceWei, Yuzhuperiphyton biomass
9Periphyton presencePeriph presenceWei, Yuzhuperiphyton biomass
10IdentificationIDWei, Yuzhu
11PolychaetaPolychaeta#/m2Wei, Yuzhu
12PolychaetaPolychaeta#/lWei, Yuzhu
13MortalityMortalityWei, Yuzhurecovered periwinkles
14MortalityMortalityWei, Yuzhurecovered periwinkles
15Shell, massShell mgWei, Yuzhusurviving periwinkles
16Shell, massShell mgWei, Yuzhusurviving periwinkles
17MassMassmgWei, Yuzhuflesh mass of surviving periwinkles
18MassMassmgWei, Yuzhuflesh mass of surviving periwinkles
19Shell, massShell mgWei, Yuzhuinitial shell mass of periwinkles
20Shell, massShell mgWei, Yuzhuinitial shell mass of periwinkles
21MassMassmgWei, Yuzhuinitial flesh mass of periwinkles
22MassMassmgWei, Yuzhuinitial flesh mass of periwinkles
23Periphyton coveragePeriph covered areaWei, Yuzhu
24Shell, massShell mgWei, Yuzhusurviving periwinkles
25Shell, massShell mgWei, Yuzhusurviving periwinkles
26MassMassmgWei, Yuzhuflesh mass of surviving periwinkles
27MassMassmgWei, Yuzhuflesh mass of surviving periwinkles
28pHpHWei, Yuzhutotal scale
29Temperature, waterTemp°CWei, Yuzhu
30Temperature, water, standard deviationTemp std dev±Wei, Yuzhu
31SalinitySalWei, Yuzhu
32Salinity, standard deviationSal std dev±Wei, Yuzhu
33OxygenO%Wei, Yuzhu
34Oxygen, standard deviationO2 std dev±Wei, Yuzhu
35Alkalinity, totalATmmol(eq)/lWei, Yuzhu
36Alkalinity, total, standard deviationAT std dev±Wei, Yuzhu
37Ammonium[NH4]+mg/lWei, Yuzhu
38Nitrate[NO3]-mg/lWei, Yuzhu
39Phosphate[PO4]3-mg/lWei, Yuzhu
40Silica, dissolvedSiO2mg/lWei, Yuzhu
41Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
42Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
43Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
44Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
45Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
46Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
47Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
48Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
49Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
1117 data points

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