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Duke Forest CO2 Experiment (FACE) - LTSE

Relationships
Data Holder: 
Richter, Daniel
Publications: 
Exposure to an enriched CO2 atmosphere alters carbon assimilation and allocation in a pine forest ecosystem
Location:
United States
Latitude: 35.976964
Longitude: -79.093108
Background
Continent: 
North America
Website: 
http://face.env.duke.edu
Year LTSE Began: 
1996
Comments: 
solid - 13C, as enriched CO2 is strongly 13C depleted. 15N, for N addition studies of cycling. gas - 13C in soil CO2 vegetative - 13C and 15N
Environment
Annual Precipitation (mm): 
800-1200
Mean Annual Soil Temperature (C): 
Thermic: 15 to 22C
Soil moisture regime: 
Udic
Dominant plant species (latin genus and species): 
Pinus taeda
Landuse: 
Forestry
Ecoregion: 
Warm Subtropical
Landform (general description): 
Interfluve
Slope (%): 
2-5%
Elevation (m): 
0-200
Geological material: 
Mixed felsic
Experimental Design
Design (short description): 
Simple Randomized One-Way ANOVE Main effect: Aboveground CO2 concentration ~550 vs ambient uLCO2/L
Permanent plot area (square meters): 
100-1000
Number of permanent plots: 
3-10
Soil Classification
soilorder: 
Alfisol
Soil taxa (ex, Great Group of Soil Taxonomy): 
moderately well-drained low-fertility acidic Hapludalf
Soil/Data Archive
Vegetative samples archived: 
Yes
Soil solid samples archived: 
Yes
Samples from multiple depths: 
Yes
Sample frequency: 
Once
Year of first sampling for archive: 
1996
Soil Solid Data
pH and acidity: 
Yes
Organic Carbon: 
Yes
Nitrogen: 
Yes
Other macronutrients: 
Yes
Bulk Density: 
Yes
Mineralogy: 
Yes
Soil Water Data
pH and alkalinity: 
Yes
Dissolved organic carbon: 
Yes
Other macronutrients: 
Yes
Soil Gas Data
Surface Fluxes: 
Yes
Concentrations belowground: 
Yes
Vegetation Data
Biomass above ground: 
Yes
Biomass below ground: 
Yes
Macronutrient contents: 
Yes