| 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 (%) |
Acronyms: