University of Minnesota
University of Minnesota
College of Biological Sciences
http://www.cbs.umn.edu/

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BioCON : Biodiversity, Elevated CO2, and N Enrichment - Experiment 141


Photosynthesis of Bromus inermis and Andropogon gerardi under treatment combinations of CO2 x Warm in 9 species plots

Years Available: 2013 - 2014

Principle Investigators

Lee, Tali

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1YearYear measurement was taken
2DateDate of measurement
3RingRing
4PlotPlot
5SpeciesSpecies used in photosynthetic measurement
6CO2 trtCedar Creek CO2 TreatmentCenriched=564ppm, Camb=ambient Carbon
7Temp TreatmentTemperature Treatment applied to plotHTelv=above and below ground warming treatment, HTamb=ambient temperature
8repreplicate of photosythetic measurement for each plot/species in each campaignnumber
9meas tempTemperature instrument set to for measurementcelsius
10HHMMSSTime of measurement
11Amax area assimilation rate on a leaf area basis (??mol CO2 m-2 s-1)micromolesPerSquareMeterPerSecond
12Amax mass assimilation rate on a leaf mass basis, (nmol CO2 g-1 s-1)nanomolsPerGramPerSecond
13gsstomatal conductance to water vapor, (mol m-2 s-1)molesPerSquareMeterPerSecond
14A/gsinstantaneous water use efficienty (photosynthesis rate/stomatal conductance, (mmol mol-1) millimolesPerMole
15Etranspiration rate (mmol H2O m-2 s-1)millimolesPerSquareMeterPerSecond
16TH2OVolumetric soil water content (percent) 0-60 mm depthdimensionless
17VpdLvapor pressure deficit based on leaf temp (kPa)kilopascal
18PS leaf arealeaf area used for gas exchange measurement (cm2)squareCentimeters
19PS leaf massleaf mass used for gas exchange measurement (g)gram
20SLA specific leaf area, (cm2/g)squareCentimetersPerGram
21Tleafleaf temperature estimate (Celsius) celsius
22TBlkIRGA Block Temp (Celcius)celsius
23CO2Rreference CO2 concentration for measurement (ppm)micromolesPerMole
24RH_Rrelative humidity of reference air (percent)dimensionless
25PARiphotosynthetically active radiation umol/m2/sec??relating to light in the 400 to 700 nanometer wavelength (??mol m-2 s-1)micromolesPerSquareMeterPerSecond
26Ci/Caratio of internal to ambient leaf CO2 concentrationdimensionless
27Portable gas exchange system usedPortable gas exchange system used
 

SAMPLE DATASET

YearDateRingPlotSpeciesCO2 trtTemp Treatmentrepmeas tempHHMMSSAmax area Amax mass gsA/gsETH2OVpdLPS leaf areaPS leaf massSLA TleafTBlkCO2RRH_RPARiCi/CaPortable gas exchange system used
201308/13/20132106Andropogon gerardiCambHTamb12311:43:08 AM11.17266639194.83688550.0687587920.1624907321.2264870332.61.7390431892.7030.0155174.387096827.819221523.08203252400.826924664.034159341499.301880.310329088Licor 6400
201308/13/20132106Andropogon gerardiCambHTamb12611:51:17 AM13.84556068241.4487130.0796751730.1737750941.7888949042.62.182799042.7030.0155174.387096830.8758290626.0347716399.727966360.672136941500.0553390.252694883Licor 6400
201308/13/20132106Andropogon gerardiCambHTamb12911:57:33 AM14.79360879257.98144880.0922863140.1603012212.0258425822.62.1342331582.7030.0155174.387096831.7987391228.96523412400.119272959.477919261499.6560470.306161004Licor 6400
201308/13/20132106Andropogon gerardiCambHTamb22312:12:10 PM6.088429455107.5799013 0.1539366170.6227506072.11.5258060522.0320.0115176.695652226.7786254923.06911596399.462066765.848246261501.1505940.355911995Licor 6400
201308/13/20132106Andropogon gerardiCambHTamb22612:18:13 PM6.03726855106.67591040.041104280.1468768820.6398189112.11.5068786742.0320.0115176.695652227.3269933126.04278564400.124867861.580074311498.7882080.386468074Licor 6400
201308/13/20132106Andropogon gerardiCambHTamb22912:26:08 PM8.315022406146.92283070.0318299180.2612329230.5867658842.11.7698959412.0320.0115176.695652230.4615325928.95247587400.825398863.338415781501.497681-0.074223849Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb32310:02:24 AM10.72855511209.6857780.0721169930.1487659791.3328936852.61.8152910662.1890.0112195.446428624.8718323723.08712578399.643981943.041962621500.2424620.366331052Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb32610:10:12 AM12.3127643240.64858080.0739806940.1664321281.449430252.61.9219134742.1890.0112195.446428625.9697335626.02661641399.131164640.836772921499.7565510.290767458Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb32910:18:10 AM16.66775131325.76524670.0990464820.1682821132.1683910512.62.1513395762.1890.0112195.446428628.226848628.95007896398.892496740.3887381499.2366540.272731517Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb42310:29:26 AM12.77249142207.88330870.0681565120.187399431.3574321642.11.9493192091.4160.0087162.758620726.0437188123.08193779399.53369945.05540181500.072510.211833815Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb42610:36:59 AM13.46646126219.1782660.0882083340.1526665411.932031332.12.147166061.4160.0087162.758620727.659997326.02173742399.099121142.60483171501.077230.346540228Licor 6400
201308/14/20132106Andropogon gerardiCambHTamb42910:41:54 AM14.84669546241.64276750.0936996080.1584499212.2434091752.12.3420829391.4160.0087162.758620729.455703128.94500987398.875915542.033008581499.7964680.319051634Licor 6400
                           

Download dataset aewe141
BioCON : Biodiversity, Elevated CO2, and N Enrichment : Photosynthesis of Bromus inermis and Andropogon gerardi under treatment combinations of CO2 x Warm in 9 species plots

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