SA021

Attributes in entity 4: Derived Environmental Data		Details
1. DBCODE Definition: FSDB Database Code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 4.  maximum = 4.)
3. PLOT Definition: plot (stand) name; all beginning with SB followed by a number Domain: place
4. PDIR Definition: potential direct incident radiation; represents the amount of light a site potentially receives, derived from latitude, slope, and aspect (McCune and Keon 2002) Units: megaJoule per cm2 per year Domain: range (minimum = 0.28  maximum = 1.05)
5. HL Definition: heat load index measures the amount of heat a site potentially receives during the day, derived from models based on latitude, slope, and aspect Units: number Domain: range (minimum = 0.26  maximum = 1.04)
6. LIVEBA Definition: basal area of live trees, averaged over five variable -radius subplots; measured using a relescope in 1997 and an angle gauge in 1998 and 1999 Units: square meters per hectare Domain: range (minimum = 2.76  maximum = 123.07)
7. DEADBA Definition: basal area of dead trees, averaged over five variable-radius subplots; measured using a relescope in 1997 and an angle gauge in 1998 and 1999 Units: square meters per hectare Domain: range (minimum = 0.00  maximum = 34.90)
8. TOTBA Definition: total basal area of live and dead trees, averaged over five variable-radius subplots; measured using a relescope in 1997 and an angle gauge in 1998 and 1999 Units: square meters per hectare Domain: range (minimum = 2.76  maximum = 128.58)
9. REMBA Definition: basal area of live remnant trees, averaged over five variable-radius subplots; measured using a relescope in 1997 and an angle gauge in 1998 and 1999 Units: square meters per hectare Domain: range (minimum = 0.00  maximum = 66.12)
10. BACONIF Definition: percent basal area of conifers in a stand (percentage of total basal area) Units: percent Domain: range (minimum = 47.40  maximum = 100.00)
11. BAHARDW Definition: percent basal area of hardwood trees in a stand (percentage of total basal area) Units: percent Domain: range (minimum = 0.00  maximum = 52.60)
12. PERBAREM Definition: percent basal area of live remnant trees in a stand (percentage of total basal area) Units: percent Domain: range (minimum = 0.00  maximum = 96.30)