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

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Traits: Biomass Allocation Trends in Old Field in Relation to Gradients of Succesional Age and Soil Nitrogen - Experiment 042


Plant aboveground biomass data

Years Available: 1987

Principle Investigators

Gleeson, Scott
Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Experiment numberCedar Creek experiment number
2Old field designatorCCESR Old Field identification number
3Strip numberStrip number
4Sampling yearSampling year (YYYY)
5AgePost abandonment age of field at time samples were collected
6Year AbandonedIntitial year field was no longer used for agriculture
7Litter biomass (g/m2)Litter biomass (g/m2)gramsPerMeterSquared
8Grass biomass (g/m2)Grass biomass (g/m2)gramsPerMeterSquared
9Forbes biomass (g/m2)Forbes biomass (g/m2)gramsPerMeterSquared
10Litter + grass + forbes biomass (g/m2)Litter + grass + forbes biomass (g/m2)gramsPerMeterSquared
11Grass + forbes biomass (g/m2)Grass + forbes biomass (g/m2)gramsPerMeterSquared
12Root biomass (g/m2)Root biomass (g/m2)gramsPerMeterSquared
13Root + grass + forbes biomass (g/m2)Root + grass + forbes biomass (g/m2)gramsPerMeterSquared
14Root-shoot ratioRoot-shoot ratiodimensionless
15Percent light penetration below litterPercent light penetration below litterdimensionless
16Percent light penetrationPercent light penetrationdimensionless
17NO3 in soil (mg/kg)NO3 in soil (mg/kg)milligramsPerKilogram
18NH4 in soil (mg/kg)NH4 in soil (mg/kg)milligramsPerKilogram
19NH4 + NO3 in soil (mg/kg)NH4 + NO3 in soil (mg/kg)milligramsPerKilogram
 

SAMPLE DATASET

Experiment numberOld field designatorStrip numberSampling yearAgeYear AbandonedLitter biomass (g/m2)Grass biomass (g/m2)Forbes biomass (g/m2)Litter + grass + forbes biomass (g/m2)Grass + forbes biomass (g/m2)Root biomass (g/m2)Root + grass + forbes biomass (g/m2)Root-shoot ratioPercent light penetration below litterPercent light penetrationNO3 in soil (mg/kg)NH4 in soil (mg/kg)NH4 + NO3 in soil (mg/kg)
4241198710197787.922.760.6171.283.3239.101322.4012.870.69610.78370.0280.8980.926
4242198710197757.796.20.29154.1996.49244.008340.4982.530.60540.56750.2030.8291.032
42431987101977152.275.44209.6437.24285.04182.9467.940.640.82530.66650.231.3041.534
4244198710197776.847.822.9147.570.791.037161.7371.290.54020.53170.0651.1061.171
42451987101977100.94858.8207.7106.896.769203.5690.910.50740.36890.2941.0691.363
42511987401947236109.140.48345.62109.62505.705615.3254.610.490.33380.041.7561.796
42521987401947376.380.313.3469.993.6387.131480.7314.140.38010.32302.2262.226
4253198740194786.757.271.65145.6258.92260.186319.1064.420.8880.8780.0480.9410.989
42541987401947555175.30730.3175.3728.892904.1924.160.43230.23420.3184.1644.482
42551987401947288.5211.66.3506.4217.91007.2261225.1264.620.67290.31380.0512.3692.42
422111987301957383128.70511.7128.7507.675636.3753.940.43560.35740.6482.8243.472
422121987301957528.6102.212.71633.52104.92469.182574.1024.470.67590.30640.5643.1373.701
                   

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Traits: Biomass Allocation Trends in Old Field in Relation to Gradients of Succesional Age and Soil Nitrogen: Plant aboveground biomass data

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