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Kapsenberg, Lydia; Okamoto, Daniel K; Dutton, Jessica M; Hofmann, Gretchen E (2017): Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic. PANGAEA, https://doi.org/10.1594/PANGAEA.872634, Supplement to: Kapsenberg, L et al. (2017): Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic. Ecology and Evolution, https://doi.org/10.1002/ece3.2776

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Abstract:
In the coastal ocean, temporal fluctuations in pH vary dramatically across biogeographic ranges. How such spatial differences in pH variability regimes might shape ocean acidification resistance in marine species remains unknown. We assessed the pH sensitivity of the sea urchin Strongylocentrotus purpuratus in the context of ocean pH variability. Using unique male?female pairs, originating from three sites with similar mean pH but different variability and frequency of low pH (pHT <= 7.8) exposures, fertilization was tested across a range of pH (pHT 7.61?8.03) and sperm concentrations. High fertilization success was maintained at low pH via a slight right shift in the fertilization function across sperm concentration. This pH effect differed by site. Urchins from the site with the narrowest pH variability regime exhibited the greatest pH sensitivity. At this site, mechanistic fertilization dynamics models support a decrease in sperm?egg interaction rate with decreasing pH. The site differences in pH sensitivity build upon recent evidence of local pH adaptation in S. purpuratus and highlight the need to incorporate environmental variability in the study of global change biology.
Keyword(s):
Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Echinodermata; Laboratory experiment; North Pacific; Reproduction; Single species; Strongylocentrotus purpuratus; Temperate
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb
Coverage:
Median Latitude: 39.189800 * Median Longitude: -122.320447 * South-bound Latitude: 34.414230 * West-bound Longitude: -124.058620 * North-bound Latitude: 44.836670 * East-bound Longitude: -119.828520
Date/Time Start: 2011-02-01T00:00:00 * Date/Time End: 2011-04-30T00:00:00
Event(s):
Bodega_Marine_Reserve * Latitude: 38.318500 * Longitude: -123.074200 * Date/Time Start: 2011-03-01T00:00:00 * Date/Time End: 2011-03-31T00:00:00 * Method/Device: Experiment (EXP)
Fogarty_Creek * Latitude: 44.836670 * Longitude: -124.058620 * Date/Time Start: 2011-04-01T00:00:00 * Date/Time End: 2011-04-30T00:00:00 * Method/Device: Experiment (EXP)
Santa_Barbara_OA * Latitude: 34.414230 * Longitude: -119.828520 * Date/Time Start: 2011-02-01T00:00:00 * Date/Time End: 2011-02-28T00:00:00 * Method/Device: Experiment (EXP)
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2016) 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 2017-02-23.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventKapsenberg, Lydia
2TypeTypeKapsenberg, Lydiastudy
3SpeciesSpeciesKapsenberg, Lydia
4Registration number of speciesReg spec noKapsenberg, Lydia
5Uniform resource locator/link to referenceURL refKapsenberg, LydiaWoRMS Aphia ID
6LocationLocationKapsenberg, Lydiapopulation
7IdentificationIDKapsenberg, Lydiapair
8pHpHKapsenberg, Lydiatreatment
9Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmKapsenberg, Lydiatreatment
10Temperature, waterTemp°CKapsenberg, Lydia
11Eggs, diameterEggs dmmKapsenberg, Lydia
12Numbern#Kapsenberg, Lydiasperm dilution
13Sperm concentrationSperm#/µlKapsenberg, Lydia
14EggsEggs#Kapsenberg, Lydiatotal
15Eggs, fertilizedFert eggs#Kapsenberg, Lydianormal fertilized
16Eggs, unfertilizedUnfert eggs#Kapsenberg, Lydia
17Eggs, fertilizedFert eggs#Kapsenberg, Lydiaabnormal fertilized
18Eggs, abnormalAbn eggs#Kapsenberg, Lydiaabnormal developed
19SalinitySalKapsenberg, Lydia
20Alkalinity, totalATµmol/kgKapsenberg, LydiaPotentiometric titration
21Carbon, inorganic, dissolvedDICµmol/kgKapsenberg, LydiaCalculated using CO2calc
22pHpHKapsenberg, LydiaSpectrophotometrictotal scale
23Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmKapsenberg, LydiaCalculated using CO2calc
24Calcite saturation stateOmega CalKapsenberg, LydiaCalculated using CO2calc
25Aragonite saturation stateOmega ArgKapsenberg, LydiaCalculated using CO2calc
26Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
26923 data points

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