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Widdicombe, Stephen; Beesley, A; Berge, J A; Dashfield, S L; McNeill, C L; Needham, H R; Øxnevad, S (2013): Impact of elevated levels of CO2 on animal mediated ecosystem function: The modification of sediment nutrient fluxes by burrowing urchins. PANGAEA, https://doi.org/10.1594/PANGAEA.833188, Supplement to: Widdicombe, S et al. (2013): Impact of elevated levels of CO2 on animal mediated ecosystem function: The modification of sediment nutrient fluxes by burrowing urchins. Marine Pollution Bulletin, 73(2), 416-427, https://doi.org/10.1016/j.marpolbul.2012.11.008

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Abstract:
A mesocosm experiment was conducted to quantify the relationships between the presence and body size of two burrowing heart urchins (Brissopsis lyrifera and Echinocardium cordatum) and rates of sediment nutrient flux. Furthermore, the impact of seawater acidification on these relationships was determined during this 40-day exposure experiment. Using carbon dioxide (CO2) gas, seawater was acidified to pHNBS 7.6, 7.2 or 6.8. Control treatments were maintained in natural seawater (pH = 8.0). Under normocapnic conditions, burrowing urchins were seen to reduce the sediment uptake of nitrite or nitrate whilst enhancing the release of silicate and phosphate. In acidified (hypercapnic) treatments, the biological control of biogeochemical cycles by urchins was significantly affected, probably through the combined impacts of high CO2 on nitrifying bacteria, benthic algae and urchin behaviour. This study highlights the importance of considering biological interactions when predicting the consequences of seawater acidification on ecosystem function.
Keyword(s):
Animalia; Behaviour; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Brissopsis lyrifera; Coast and continental shelf; Echinocardium cordatum; Echinodermata; Laboratory experiment; Mortality/Survival; North Atlantic; Single species; Temperate
Further details:
Lavigne, Héloïse; Epitalon, Jean-Marie; Gattuso, Jean-Pierre (2014): seacarb: seawater carbonate chemistry with R. R package version 3.0. https://cran.r-project.org/package=seacarb
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) 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 2014-06-05.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
SpeciesSpeciesWiddicombe, Stephen
TreatmentTreatWiddicombe, Stephen
MassMassgWiddicombe, Stephen
SizeSizeWiddicombe, Stephen
Nitrite, flux[NO2]- fluxµmol/m2/dayWiddicombe, Stephen
Nitrate, flux[NO3]- fluxµmol/m2/dayWiddicombe, Stephen
Ammonium, flux[NH4]+ fluxmmol/m2/dayWiddicombe, Stephen
Silicate, fluxSi(OH)4 fluxmmol/m2/dayWiddicombe, Stephen
Phosphate, flux[PO4]3- fluxµmol/m2/dayWiddicombe, Stephen
10 StatusStatusWiddicombe, Stephen
11 CommentCommentWiddicombe, Stephen
12 SalinitySalWiddicombe, Stephen
13 Salinity, standard deviationSal std dev±Widdicombe, Stephen
14 pHpHWiddicombe, StephenPotentiometricNBS scale, header tanks
15 pH, standard deviationpH std dev±Widdicombe, StephenPotentiometricNBS scale, header tanks
16 Temperature, waterTemp°CWiddicombe, Stephenheader tanks
17 Temperature, water, standard deviationTemp std dev±Widdicombe, Stephenheader tanks
18 Alkalinity, totalATmmol(eq)/lWiddicombe, StephenPotentiometric titrationheader tanks
19 Alkalinity, total, standard deviationAT std dev±Widdicombe, StephenPotentiometric titrationheader tanks
20 Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
21 pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
22 Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
23 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
24 Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
25 Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26 Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27 Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28 Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29 Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30 Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
4040 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Species

Treat

Mass [g]

Size

[NO2]- flux [µmol/m2/day]

[NO3]- flux [µmol/m2/day]

[NH4]+ flux [mmol/m2/day]

Si(OH)4 flux [mmol/m2/day]

[PO4]3- flux [µmol/m2/day]
10 
Status
11 
Comment
12 
Sal
13 
Sal std dev [±]
14 
pH
(NBS scale, header tanks, Pote...)
15 
pH std dev [±]
(NBS scale, header tanks, Pote...)
16 
Temp [°C]
(header tanks)
17 
Temp std dev [±]
(header tanks)
18 
AT [mmol(eq)/l]
(header tanks, Potentiometric ...)
19 
AT std dev [±]
(header tanks, Potentiometric ...)
20 
CSC flag
(Calculated using seacarb afte...)
21 
pH
(total scale, Calculated using...)
22 
CO2 [µmol/kg]
(Calculated using seacarb afte...)
23 
pCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
24 
fCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
25 
[HCO3]- [µmol/kg]
(Calculated using seacarb afte...)
26 
[CO3]2- [µmol/kg]
(Calculated using seacarb afte...)
27 
DIC [µmol/kg]
(Calculated using seacarb afte...)
28 
AT [µmol/kg]
(Calculated using seacarb afte...)
29 
Omega Arg
(Calculated using seacarb afte...)
30 
Omega Cal
(Calculated using seacarb afte...)
Brissopsis lyrifera (echinoderm)control65.82Very Large-22.363006-287.972254-0.939080-2.059006650.830058living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control54.03Very Large13.206936354.7005783.567760-1.243339679.213873living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control57.02Very Large-2.830058164.1433531.884818-2.3376284838.510983living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control56.55Very Large8.490173-333.863584-0.797910-1.849942-226.848555living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control30.30Large-5.493642508.0231212.085919-0.2228531206.825434living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control34.28Large3.828902258.700578-0.997179-0.578386-1270.806936living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control38.09Large3.828902853.3734101.941642-1.297720241.415029living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control37.53Large8.2682081347.828902-1.381290-1.344832398.927168living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control23.05Medium-25.3040461325.7618504.1119081.2145942675.403468living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control27.02Medium-13.0959541329.5722541.2274680.099662138.284393living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control25.47Medium-21.4307512427.4820811.5747302.3125732526.378035living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control24.04Medium9.0478611187.466358-0.4559780.1714681.720925living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control18.86Small3.995376736.1479770.9957360.0672001860.013873living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control20.46Small-4.0508671647.3433530.4697340.832148149.382659living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control21.64Small-156.5965322830.2242770.159815-21.8458272169.600000livingoutlyer not used in final analysis33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control13.92Small23.7891332015.0732952.9934342.3574381226.049017living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control0.00Control22.8069361286.0115610.2308440.762784-3548.28208133.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control0.00Control13.2624281466.9132952.9226730.9612212099.01502933.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control0.00Control5.8876301959.5736422.4209911.018821920.29734133.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)control0.00Control-12.8018501781.3660120.6998471.790039841.00300633.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Brissopsis lyrifera (echinoderm)pH 7.665.42Very Large25.1930641548.041618-0.460106-0.114978446.843931living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.643.59Very Large31.6467051760.057341-2.1917650.250599-5721.498728living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.647.42Very Large5.2494801885.5620810.047037-1.086021-2444.606705living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.653.78Very Large6.0652022276.448555-2.461106-2.749040-3990.960000living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.640.31Large-6.076301-291.736416-1.571015-1.547126-2215.269364living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.629.79Large-22.9734101261.262428-3.729295-1.154220-889.359538living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.633.84Large31.6300581203.495954-4.951269-1.969831-3389.410405living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.632.94Large40.3976881597.428902-5.812828-0.389050-3798.547977living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.628.33Medium15.3710983358.557225-2.2782241.099616-5996.254335deadoutlyer not used in final analysis33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.623.01Medium34.8652021369.731329-2.1471910.491986-4431.838613living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.625.59Medium5.981965653.199538-0.286338-0.537711-114.065202living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.624.80Medium11.9139881961.857110-3.176064-0.155265-532.166012living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.610.67Small-5.6601161914.062428-3.963357-1.372523-7232.850867living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.616.25Small22.1965321190.344509-0.887251-0.954839-1331.902890living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.616.06Small14.444393855.548670-2.6879400.709734-4678.511445living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.621.69Small24.3551452127.3211561.5552960.758123-518.096185living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.60.00Control-11.486705566.067052-0.401813-0.528999-4883.18150333.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.60.00Control-3.7845091638.2816180.2896761.055945-1041.33919133.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.60.00Control24.7546822462.5886710.5939940.956892-4136.23907533.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.60.00Control6.1539881911.626358-2.2201121.44660354.85179233.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Brissopsis lyrifera (echinoderm)pH 7.253.97Very Large47.2786132679.787283-7.476624-0.758844-473.230058living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.248.41Very Large14.4332951923.268439-0.1530990.972652-1201.173642living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.260.54Very Large27.9898271610.780116-2.741488-0.358252-4761.427977living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.255.65Very Large28.0702891499.3008090.4385321.113323455.782890living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.232.64Large29.0108671446.614566-0.200701-0.187450-3962.791214living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.231.03Large28.4947982342.3167630.2934311.036023-826.036994living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.233.49Large27.8122542018.264046-2.1205710.475061-4019.456185living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.238.93Large27.9898271998.997457-3.1425791.079861-1421.626821living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.223.79Medium38.3445091046.510983-3.938220-0.546368-1814.011561living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.225.50Medium5.1495951658.6968790.148228-1.123366-3596.881387living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.226.49Medium17.0136421940.720462-0.2486210.93691660.771329living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.226.17Medium8.6566471395.967630-2.242502-0.614400-1535.569942living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.213.33Small25.858960832.3699420.048333-1.019320-3333.530636living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.215.81Small30.3731791456.1563010.0337300.858673-722.832139living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.216.78Small16.6695951696.014798-3.1980711.310816-74.408324living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.214.63Small5.1495952686.5128320.9287280.359140-4619.766936deadoutlyer not used in final analysis33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.20.00Control35.736416722.4416180.354146-0.457637-2823.56531833.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.20.00Control-17.1468211003.005780-6.413521-8.016610-6578.219653outlyer not used in final analysis33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.20.00Control37.8062431630.424046-1.5146181.976213-934.91237033.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 7.20.00Control11.3424281115.131561-0.631874-1.006835-2018.21410433.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Brissopsis lyrifera (echinoderm)pH 6.854.53Very Large33.905202780.208092-2.597494-1.372855-2635.449711living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.860.14Very Large24.194220263.028902-0.873045-1.589882-2465.091329living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.848.02Very Large15.9981502707.1278612.1835320.983972-352.518382living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.857.95Very Large36.8628901071.4654340.9043880.72127668.175260living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.831.33Large5.660116384.5549130.637651-3.148134-1380.346821living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.835.33Large23.245318249.0506360.088230-0.886640-1308.084624living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.835.36Large-11.178728814.748670-1.555789-3.916550460.772948living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.834.34Large24.9433531109.854335-1.0509710.6291057.179191living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.822.90Medium1.664740357.919075-0.329618-1.747977441.156069living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.822.49Medium11.431214444.485549-0.732208-1.152888-1145.840462living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.823.29Medium16.9581501092.8129482.5552870.256925350.560925living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.825.53Medium36.0194221604.9701732.1946970.678881180.375954living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.815.36Small23.916763-2707.4219650.476116-4.108689-3123.440462living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.817.96Small39.620809307.699422-1.952518-1.430067-1729.664740living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.818.87Small35.680925-645.3641621.263843-2.192795-3835.810405living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.816.55Small-6.692254-648.493873-0.472267-4.526650-488.720462living33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.80.00Control21.97456697.664740-1.369748-1.200055-1773.83583833.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.80.00Control35.3424281819.6772252.1962210.488934-2288.88000033.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.80.00Control25.2097111021.1347980.5293080.361692-591.71375733.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Brissopsis lyrifera (echinoderm)pH 6.80.00Control32.695491947.614335-0.614994-0.382113365.42705233.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)control0.00Control1195.2554910.0000006.4867421.167094766.11329533.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control0.00Control1121.84046212.9017342.2271720.809702959.41734133.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control0.00Control941.937572-5.4381501.1277781.7960053330.81156133.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control0.00Control2008.036994-69.2531795.6801201.475487-972.457804outlyer not used in final analysis of NO3 flux33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control0.00Control1938.81156122.473988-0.7145061.168259-297.54450933.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control14.61Small2943.5375723.5514456.0276901.2031632242.460116living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control13.70Small1518.02080913.5953766.4738400.744916961.664740living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control12.56Small512.5734103.662428-0.967824-1.373632-1300.494798livingoutlyer not used in final analysis of NH4 flux33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control12.48Small307.2554914.106358-3.179931-0.6338771979.597688deadoutlyer not used in final analysis of NH4 flux33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control13.26Small3529.80346811.5421974.8708070.915108-1047.398844dead33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control19.26Large1216.591908-15.0936424.5173830.9001801269.364162living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control16.12Large261.447399-13.9838151.0851610.6237781551.454335living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control16.44Large2959.6855493.6624281.3880052.7980951584.110983living33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control16.14Large1099.78265912.9849716.8083980.322405395.875144dead33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)control15.54Large2229.1421973.551445-6.4367721.018266-540.374566livingoutlyer not used in final analysis of NH4 flux33.520.268.000.069.560.872.460.06267.8928619617215698228223981.502.36
Echinocardium cordatum (echinoderm)pH 7.60.00Control1089.1283241.6369941.4905250.724939-279.56531833.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.60.00Control1970.13641631.0473995.240851-0.036985-1366.66820833.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.60.00Control1881.835838-72.5132953.7720650.190738-2051.639306outlyer not used in final analysis of NO3 flux33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.60.00Control2185.60924911.3479774.852578-0.140254-3418.51560733.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.60.00Control1875.52369921.0034680.936777-0.013443-2687.80578033.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.611.87Small1243.40809217.8820811.307251-0.356351-2810.927168living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.612.57Small2439.98150311.791908-8.498192-0.071223-2406.020809living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.612.72Small2144.3306362.372254-5.441965-2.925572-2933.146821dead33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.614.45Small2420.44855511.847399-20.907385-0.019727-3603.690173living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.614.89Small1612.17572310.695954-27.349609-1.015672-2700.749133living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.617.87Large453.558382-7.019653-0.041258-2.101762-5281.470520living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.615.99Large3523.58843937.068208-16.731080-0.327621-4233.267052living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.617.34Large2625.253179-6.867052-6.846423-0.291593-3064.910983living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.616.37Large1500.6797692.413873-30.119223-1.679195-3406.695954living33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.619.03Large2776.67514524.0832372.6355610.108486-1899.135260dead33.520.267.520.029.260.902.470.05267.429120071999232235244724080.530.83
Echinocardium cordatum (echinoderm)pH 7.20.00Control518.233526-17.7572250.360805-0.286890190.89017333.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.20.00Control1365.25317913.9283240.9325871.496046-280.730636outlyer not used in final analysis of SiO flux33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.20.00Control3230.98265948.943353-35.1100301.358761-649.636994outlyer not used in final analysis of NH4 and SiO flux33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.20.00Control2138.30289046.501734-23.6218820.202765-2453.715607outlyer not used in final analysis of NH4 and PO4 flux33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.20.00Control2794.54335346.9456652.768906-0.315801-3871.907514outlyer not used in final analysis of PO4 flux33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.212.10Small798.2982661.2208093.096749-0.998511-874.654335living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.213.46Small1905.07283225.4705202.6447720.187283-668.726012living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.214.63Small2689.55375725.6369943.4306960.738812-2848.036994living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.212.49Small1040.90635810.8763012.080259-0.662400-2693.049711living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.214.13Small3125.49364254.825434-14.0745430.470733-4729.470520dead33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.219.99Large2085.41965313.5953766.703020-0.130516-1764.735260living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.218.73Large2515.64393125.5260124.748892-0.506691-3661.095954living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.216.47Large1563.74566513.373410-4.997938-0.451477-2859.745665living33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.215.28Large2925.16994248.277457-0.4250640.168805-3523.033526dead33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 7.219.00Large3149.85433513.262428-18.768388-0.508911-2470.862428dead33.520.267.220.079.630.872.450.05267.1118140614045234418254323880.270.43
Echinocardium cordatum (echinoderm)pH 6.80.00Control469.73410430.9641624.422881-0.3136371124.42080933.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.80.00Control1362.03468214.538728-28.273887-0.772550-1112.87861333.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.80.00Control223.63005841.341040-9.206067-2.741216-4784.462428outlyer not used in final analysis of SiO and PO4 flux33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.80.00Control111.26011633.239306-18.516236-2.361434-5240.212717outlyer not used in final analysis of SiO and PO4 flux33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.80.00Control1895.30635832.961850-23.9193160.058599-408.36069433.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.814.84Small457.803468-20.198844-0.3433250.158594894.076301dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.814.23Small686.70520214.2612720.2235190.461077709.956069dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.812.19Small1027.69942233.8497111.4725730.8084531854.409249deadoutlyer not used in final analysis of NO2 flux33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.814.67Small2471.86127218.3121393.475866-1.057720-650.302890dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.814.89Small596.53179214.427746-30.4023120.718391965.715607dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.816.01Large871.768786-23.5283241.2201430.4219561090.404624dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.815.50Large159.81502936.4023120.7615630.0933361300.272832dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.817.26Large1996.57803521.1421973.7837320.781318-3176.212717dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.816.96Large1896.13872818.645087-8.8402130.184231-258.867052dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19
Echinocardium cordatum (echinoderm)pH 6.818.88Large1407.5375729.738728-11.2037830.0453643013.595376dead33.520.266.860.219.680.912.440.05266.754179368933223598278523790.120.19