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

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Long-Term Nitrogen Deposition: Population, Community, and Ecosystem Consequences - Experiment 001


Percent light penetration

Years Available: 1982 - 2004

Principle Investigators

Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1YearYear
2FieldField ID
3PlotPlot
4NTrtNitrogen Treatment Identification (1 through 9)1=0.0 g/m2 0 ml, 2=1.5 g/m2 25 ml, 3=3.0 g/m2 50 ml,4=5.0 g/m2 90 ml, 5=8.0 g/m2 140 ml, 6=14.0 g/m2 250 ml, 7=25.0 g/m2 445 ml, 8=40.0 g/m2 710 ml, 9=0.0 g/m2 0 ml
5NAddNitrogen Added to PlotgramsPerMeterSquaredPerYear
6NitrAddAmount of fertilizer added to the plotgramsPerMeterSquaredPerYear
7NAtm+NAddNitrogen addition plus Nitrogen from the atmospheregramsPerMeterSquaredPerYear
8plightProportion of light penetration through canopydimensionless
9plightLitterProportion of light penetration through leaf litter layerdimensionless
 

SAMPLE DATASET

YearFieldPlotNTrtNAddNitrAddNAtm+NAddplightplightLitter
1982A190010.7531
1982A221.0232.020.6464
1982A343.4104.40.5373
1982A421.0232.020.4976
1982A590010.4943
1982A6827.28028.20.0871
1982A771750180.2198
1982A843.4104.40.5884
1982A969.522810.520.3167
1982A1032.0463.040.5447
1982A11827.28028.20.1615
1982A1210010.5256
         

Download dataset lpe001
Long-Term Nitrogen Deposition: Population, Community, and Ecosystem Consequences: Percent light penetration

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