SP004

Attributes in entity 2: Soil Characteristics and Microbial Variables - Routine set		Details
1. STCODE Definition: Database code Domain: enum
2. FORMAT Definition: Entity number Units: number Domain: range (minimum = 2.  maximum = 2.)
3. SITE Definition: Permanent trace gas sites Domain: enum
4. DATE Definition: Date samples collected (yyyymmdd) Units: date as date type Domain: range (minimum = Jul 7 1992  maximum = Dec 23 1993)
5. SAMPLOCA Definition: Location along transect where sample is taken Domain: freetext
6. P_MOIST Definition: Percent moisture (wet-dry/dry)x100 Units: percent Domain: range (minimum = 3.5  maximum = 408.8)
7. F_DRY_WT Definition: Wt fraction dry/wet wt soil Units: number Domain: range (minimum = 0.315  maximum = 0.966)
8. SOM Definition: Percent soil organic matter in mineral soil (by combustion at 550 C) Units: percent Domain: range (minimum = 0.0  maximum = 89.4)
9. DOC_SOIL Definition: Dissolved organic carbon extracted from soils (as C) Units: micrograms per gram Domain: range (minimum = -3.0  maximum = 4053.0)
10. LAB_RESP Definition: CO2 released from soils incubated at 15 deg. C Units: micromoles per gram per hour Domain: range (minimum = -0.260  maximum = 4.556)
11. AIRTEMP Definition: Mean of air temperatures taken at the start and end of field respiration Units: degrees Celsius Domain: range (minimum = -0.7  maximum = 31.8)
12. SOILTEMP Definition: Mean of soil temperatures taken at the start and end of field respiration Units: degrees Celsius Domain: range (minimum = -0.2  maximum = 19.8)