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

Dataset

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Effect of Bird Predation on Grasshopper and Plant Communties - Experiment 061


Grasshopper cage data

Years Available: 1989 - 1990

Principle Investigators

Ritchie, Mark
Tilman, David

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1Field number/letterField number/letter
2Experiment numberExperiment number
3Macroplot NumberMacroplot Number
4Nitrogen TreatmentNitrogen Treatment1=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
5"Bird treatment (1=BAL=birds allow, 2=BEX=birds exclude)""Bird treatment (1=BAL=birds allow, 2=BEX=birds exclude)"1=BAL=birds allow, 2=BEX=birds exclude
6Sample number/letterSample number/letter
7Grasshopper number/idGrasshopper number/id
8AgeAge
9"Sex code (1 = Male, 2 = Female)""Sex code (1 = Male, 2 = Female)"1 = Male, 2 = Female
10Sampling yearSampling year
11Species Biomass (g)Species Biomass (g)gram
12Number Grassoppers per CageCount of Grassoppers per Cagedimensionless
 

SAMPLE DATASET

Field number/letterExperiment numberMacroplot NumberNitrogen TreatmentBird treatment (1=BAL=birds allow, 2=BEX=birds exclude)Sample number/letterGrasshopper number/idAgeSex code (1 = Male, 2 = Female)Sampling yearSpecies Biomass (g)Number Grassoppers per Cage
B613IBAL11911119890.067
B613IBAL11911119890.078
B613IBAL11911219890.085
B613IBAL1331119890.033
B613IBAL1331219890.035
B613IBAL1331219890.06
B613IBAL11112219890.365
B613IBAL1511219890.104
B613IBAL1511219890.142
B613IBAL1511219890.086
B613IBAL151121989
B613IBAL1511219890.192
            

Download dataset ghe061
Effect of Bird Predation on Grasshopper and Plant Communties : Grasshopper cage data

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