University of Minnesota
University of Minnesota
College of Biological Sciences


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

Leaf 15N isotope, total N and delta 15N from 9 species water treatment plots

Years Available: 2008 - 2011

Principle Investigators

Lee, Tali
Lee, Tali
Reich, Peter

View All Experiment and Dataset Methods

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1YearYear collected (YYYY)
2MonthMonth collected (MM)
3DayDay collected (DD)
7CountOfSpeciesCount of species planted in plotnumber
8CO2 treatmentCO2 treatmentCenriched = 564ppm, Camb = ambient Carbon
9Nitrogen treatmentNitrogen treatment Nenrich= 4g NH4NO3 per MeterSquared per year, Namb = Ambient Nitrogen
10Water Treatment Water Treatment H2Oneg=rain removal treament via portable rain shelters, H2Oamb=natural rain fall
11delta15NRelative deviation of R from standard (per mil)dimensionless
12R (sample)Ratio of 15N to 14N isotopes in the sampledimensionless
13atomNPercentage of total N atoms that are 15Ndimensionless
14N amount (ug)Total amount of Nitrogen in the samplemicrogram
15sample mass (mg)Mass of the samplemilligram
16sample % NPercentage of sample that is nitrogendimensionless


YearMonthDaySpeciesRingPlotCountOfSpeciesCO2 treatmentNitrogen treatmentWater Treatment delta15NR (sample)atom%15NN amount (ug)sample mass (mg)sample % N
20080820Achillea millefolium1269CenrichNambH2Oamb-0.550.003674480.3661028853.82.9991.8
20080820Achillea millefolium52999CenrichNambH2Oamb-0.200.003675760.3662299738.62.8391.4
20080820Achillea millefolium31319CenrichNambH2Oneg-2.570.003667040.3653640762.72.9322.1
20080820Achillea millefolium41949CambNenrichH2Oamb14.500.003729820.3715956657.13.0141.9
20080820Achillea millefolium63579CambNenrichH2Oamb50.750.003863090.38482207121.33.0274.0
20080820Achillea millefolium1119CenrichNenrichH2Oamb33.420.003799360.378498254.03.0591.8
20080820Achillea millefolium1349CenrichNenrichH2Oneg35.580.003807290.3792854396.83.0363.2
20080820Achillea millefolium52939CenrichNenrichH2Oneg24.250.003765660.3751532569.32.9952.3
20080820Lespedeza capitata21199CambNambH2Oamb-3.090.0036650.36517679.23.512.3
20080820Lespedeza capitata42339CambNambH2Oamb-1.710.003670.36567985.73.6622.3
20080820Lespedeza capitata63209CambNambH2Oamb-2.460.0036670.36540586.43.8332.3
20080820Lespedeza capitata42439CambNambH2Oneg-2.410.0036680.365424107.83.9392.7

Download dataset aeje141
BioCON : Biodiversity, Elevated CO2, and N Enrichment : Leaf 15N isotope, total N and delta 15N from 9 species water treatment plots

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