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Welch, Megan J; Munday, Philip L (2016): Contrasting effects of ocean acidification on reproduction in reef fishes. PANGAEA, https://doi.org/10.1594/PANGAEA.860455, Supplement to: Welch, MJ; Munday, PL (2015): Contrasting effects of ocean acidification on reproduction in reef fishes. Coral Reefs, 35(2), 485-493, https://doi.org/10.1007/s00338-015-1385-9

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Abstract:
Differences in the sensitivity of marine species to ocean acidification will influence the structure of marine communities in the future. Reproduction is critical for individual and population success, yet is energetically expensive and could be adversely affected by rising CO2 levels in the ocean. We investigated the effects of projected future CO2 levels on reproductive output of two species of coral reef damselfish, Amphiprion percula and Acanthochromis polyacanthus. Adult breeding pairs were maintained at current-day control (446 µatm), moderate (652 µatm) or high CO2 (912 µatm) for a 9-month period that included the summer breeding season. The elevated CO2 treatments were consistent with CO2 levels projected by 2100 under moderate (RCP6) and high (RCP8) emission scenarios. Reproductive output increased in A. percula, with 45-75 % more egg clutches produced and a 47-56 % increase in the number of eggs per clutch in the two elevated CO2 treatments. In contrast, reproductive output decreased at high CO2 in Ac. polyacanthus, with approximately one-third as many clutches produced compared with controls. Egg survival was not affected by CO2 for A. percula, but was greater in elevated CO2 for Ac. polyacanthus. Hatching success was also greater for Ac. polyacanthus at elevated CO2, but there was no effect of CO2 treatments on offspring size. Despite the variation in reproductive output, body condition of adults did not differ between control and CO2 treatments in either species. Our results demonstrate different effects of high CO2 on fish reproduction, even among species within the same family. A greater understanding of the variation in effects of ocean acidification on reproductive performance is required to predict the consequences for future populations of marine organisms.
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.8. https://cran.r-project.org/package=seacarb
Coverage:
Latitude: -18.620000 * Longitude: 146.490000
Date/Time Start: 2012-09-01T00:00:00 * Date/Time End: 2012-09-30T00:00:00
Event(s):
Orpheus_Island * Latitude: -18.620000 * Longitude: 146.490000 * Date/Time Start: 2012-09-01T00:00:00 * Date/Time End: 2012-09-30T00:00:00 * 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 2016-05-06.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEventWelch, Megan J
2TypeTypeWelch, Megan Jstudy
3SpeciesSpeciesWelch, Megan J
4Registration number of speciesReg spec noWelch, Megan J
5Uniform resource locator/link to referenceURL refWelch, Megan JWoRMS Aphia ID
6TreatmentTreatWelch, Megan J
7Clutches per pairClutches/pair#Welch, Megan J
8Clutches per pair, standard errorClutches/pair std e±Welch, Megan J
9ReplicatesRepl#Welch, Megan Jclutches per pair
10Eggs per clutchEggs/clutch#Welch, Megan J
11Eggs per clutch, standard errorEggs/clutch std e±Welch, Megan J
12ReplicatesRepl#Welch, Megan Jeggs per clutch
13Eggs areaEggs Amm2Welch, Megan J
14Eggs area, standard errorEggs A std e±Welch, Megan J
15ReplicatesRepl#Welch, Megan Jeggs area
16SurvivalSurvival%Welch, Megan Jeggs
17Survival rate, standard errorSurvival rate std e±Welch, Megan Jeggs
18ReplicatesRepl#Welch, Megan Jeggs survival
19Egg hatching successEgg hatch success%Welch, Megan J
20Egg hatching success, standard errorEgg hatch success std e±Welch, Megan J
21ReplicatesRepl#Welch, Megan Jhatching success
22LengthlmmWelch, Megan Jhatchlings
23Length, standard errorl std e±Welch, Megan Jhatchlings
24ReplicatesRepl#Welch, Megan Jhatchlings
25MassMassgWelch, Megan Jhatchlings
26Mass, standard errorMass std e±Welch, Megan Jhatchlings
27ReplicatesRepl#Welch, Megan Jhatchlings
28LengthlmmWelch, Megan Jbody condition
29MassMassgWelch, Megan Jbody condition
30pHpHWelch, Megan JPotentiometricNBS scale
31pH, standard deviationpH std dev±Welch, Megan JPotentiometricNBS scale
32Temperature, waterTemp°CWelch, Megan J
33Temperature, water, standard deviationTemp std dev±Welch, Megan J
34SalinitySalWelch, Megan J
35Salinity, standard deviationSal std dev±Welch, Megan J
36Alkalinity, totalATµmol/kgWelch, Megan JPotentiometric titration
37Alkalinity, total, standard deviationAT std dev±Welch, Megan JPotentiometric titration
38Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmWelch, Megan JCalculated using CO2SYS
39Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Welch, Megan JCalculated using CO2SYS
40Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
42Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
43Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
44Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_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:
1221 data points

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