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

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Effects of Long Term Fertilization and Oak Canopy Cover on Plant Communities and Ecosystem Processes - Experiment 142


Plant aboveground biomass carbon and nitrogen

Years Available: 1999 - 2001

Principle Investigators

Reich, Peter

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ATTRIBUTES

FieldNameDefinitionUnitCode
1Experiment Experiment
2YearYear (YYYY)
3PlotPlot
4Microplot Fertilizer TreatmentNitrogen Treatment Identification (E, G or I)
5Annual Nitrogen fertilizer addition (g/m2/year)Total annual nitrogen fertilizer applied to plotgramsPerMeterSquaredPerYear
6Annual percent Nitrogen addition (g/m2/year)Annual Nitrogen addition (fertilizer at 0.34%N times grams fertilizer added)gramsPerMeterSquaredPerYear
71996 Canopy coverTree canopy cover over the point in 1996
8Points SampledPoints within the plot included in the biomass sample
9Biomass typeCategory of sorted biomass used in analysis
10Percent CarbonPercent Carbondimensionless
11Percent NitrogenPercent Nitrogendimensionless
12Carbon Nitrogen RatioCarbon to Nitrogen Ratiodimensionless
13NotesNotes
 

SAMPLE DATASET

Experiment YearPlot Microplot Fertilizer TreatmentAnnual Nitrogen fertilizer addition (g/m2/year)Annual percent Nitrogen addition (g/m2/year)1996 Canopy coverPoints SampledBiomass typePercent CarbonPercent NitrogenCarbon Nitrogen RatioNotes
E14219991I00IN1,2,5,8Herbs1.65546.70928.22
E14219991I00OUT10,13,15,16Herbs1.16145.59239.254
E14219991I00IN1,2,5,8Shrubs2.28848.19721.065
E14219991I00OUT10,13,15,16Shrubs1.47649.32633.412
E14219992G5017IN3,4,5,8Herbs2.48343.64217.574
E14219992G5017OUT9,12,14,15Herbs2.2546.0820.477
E14219992G5017IN3,4,5,8Shrubsno sample
E14219992G5017OUT9,12,14,15Shrubsno sample
E14219993E165.44IN1,5,7,8Herbs1.98445.96123.168
E14219993E165.44OUT12,13,14,16Herbs1.34446.71734.747
E14219993E165.44IN1,5,7,8Shrubs1.96446.77823.823
E14219993E165.44OUT12,13,14,16Shrubs1.3646.7834.391
             

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Effects of Long Term Fertilization and Oak Canopy Cover on Plant Communities and Ecosystem Processes : Plant aboveground biomass carbon and nitrogen

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