SP007

Attributes in entity 1: Soil Sample Data		Details
1. STCODE Definition: FSDB Database Study code Domain: enum
2. FORMAT Definition: Format number Units: number Domain: range (minimum = 1.  maximum = 1.)
3. TRANS Definition: Transect number Units: number Domain: range (minimum = 1.  maximum = 28.)
4. TRIAD Definition: Triad number for set of three harvest stand age classes Units: number Domain: range (minimum = 1.  maximum = 9.)
5. ASP Definition: Elevation/aspect code of site Domain: enum
6. TREAT Definition: Treatment of stand (uncut or harvested) Domain: enum
7. EDGDIST Definition: Distance from edge in meters Units: meters Domain: range (minimum = 0.  maximum = 75.)
8. POS Definition: Position along transect from ends of transect Units: meters Domain: range (minimum = 0.  maximum = 150.)
9. MOIST Definition: Percent moisture (wet-dry/dry)x100 Units: percent Domain: range (minimum = 7.  maximum = 513.)
10. HIST Definition: Percent of core containing Hysterangium-like ectomycorrhizal mats Units: percent Domain: range (minimum = 0.  maximum = 100.)
11. GUAT Definition: Percent of core containing Gautieria-like ectomycorrhizal mats Units: percent Domain: range (minimum = 0.  maximum = 100.)
12. MAT Definition: Percent of core containing all ectomycorrhizal mats Units: percent Domain: range (minimum = 0.1  maximum = 180.1)
13. SOIL Definition: Soil temperature at 10 cm from surface Units: degrees Celsius Domain: range (minimum = 9.2  maximum = 28.2)
14. PH Definition: pH value Units: pH units Domain: range (minimum = 2.26  maximum = 6.45)
15. SOM Definition: Percent soil organic matter in mineral soil (by combustion at 550 C) Units: percent Domain: range (minimum = 7.8  maximum = 154.7)
16. LITTER Definition: Litter depth Units: centimeters Domain: range (minimum = 0.  maximum = 30.)
17. AIR Definition: Air temperature taken at the time of field respiration measurement Units: degrees Celsius Domain: range (minimum = 0.0  maximum = 19.5)
18. LIGHT Definition: Light intensity at time of field respiration Units: number Domain: range (minimum = 0.  maximum = 879.)
19. RESP Definition: Rate of forest floor respiration without litter layer ( as C) Units: grams per square meter per day Domain: range (minimum = 0.00  maximum = 53.30)
20. LTR Definition: Long-term lab soil respiration rate; co2 in headspace after 14 days (dry wt basis) Units: micrograms per gram Domain: range (minimum = 0.00  maximum = 12.82)
21. DENIT Definition: Denitrification potential (as N, dry wt basis) Units: micrograms per gram per hour Domain: range (minimum = 0.00  maximum = 242.43)
22. MIN_N Definition: Mineralizable organic nitrogen; anaerobic incubation for 14 days at 40c (N , dry wt basis) Units: micrograms per gram Domain: range (minimum = 0.000  maximum = 1652.800)
23. EXTR_AMM Definition: Concentration of ammonium with 2m KCl (as n, dry wt basis) Units: micrograms per gram Domain: range (minimum = 0.000  maximum = 88.000)