CCC |
Canadian Climatic Centre GCM |
FIA |
Forest Inventory Analysis dataset produced by the U.S. Forest Service |
GCM |
Global Circulation Model |
GFDL |
Geophysical Fluid Dynamics Laboratory's GCM |
GISS |
Goddard Institute of Space Studies's (NASA) GCM |
HAD (Hadley) |
Hadley Centre for Climate Prediction and Research (UK) GCM |
IV (Imp.Val.) |
Importance value (an index based on the number of stems and basal area
of both the understory and the overstory). Can get a maximum of 200 on
monotypical stands. |
Little's Boundary |
The boundary of the species as depicted by the Atlas of United States
Trees by Elbert L. Little, USDA Forest Service (1971, 1977). |
RTA |
Regression Tree Analysis (similar to Classification and Regression
Trees a statistical method based on recursive data partitioning) |
UKMO |
United Kingdom Meteorological Office GCM |
ALFISOL |
Alfisol (%) |
AVGT |
Mean annual temperature (deg. C) |
BD |
Soil bulk density (g/cm3) |
CEC |
Cation exchange capacity |
CLAY |
Percent clay (< 0.002 mm size) |
CROPS |
Cropland (%) |
DIST.LND |
Disturbed land (%) |
ED |
Edge density (m/ha) |
ELV.CV |
Elevation coefficient of variation |
FORST.LND |
Forest land (%) |
GRAZE.PST |
Grazing pasture land.(%) |
INCEPTSL |
Inceptisol (%) |
INCH3 |
Percent weight of rock fragments 8-25 cm (same as ROCKFRAG) |
JANT |
Mean January temperature (deg. C) |
JARPPET |
July-August ratio of precipitation to PET |
JULT |
Mean July temperature (deg. C) |
KFFACT |
Soil erodibility factor, rock fragments free (susceptibility of soil erosion to water movement) |
MAX.ELV |
Maximum elevation (m) |
MAYSEPT |
Mean May-September temperature (deg. C) |
MIN.ELV |
Minimum elevation (m) |
MOLLISOL |
Mollisol (%) |
NO10 |
Percent passing sieve No. 10 (coarse) |
NO200 |
Percent passing sieve No. 200 (fine) |
OM |
Organic matter content (% by weight) |
ORD |
Potential soil productivity, (same as PROD) (m3 of timber/ha) |
PERM |
Soil permeability rate (cm/hour) |
PET |
Potential evapotranspiration (mm/month) |
PH |
Soil pH |
PPT |
Annual precipitation (mm) |
PROD |
Same as ORD |
ROCKDEP |
Depth to bedrock (cm) |
ROCKFRAG |
Same as INCH3 |
SLOPE |
Soil slope (percent) of a soil component |
SPODOSOL |
Spodosol (%) |
TAWC |
Total available water capacity (cm, to 152 cm) |
ULTISOL |
Ultisol (%) |