SP018

Attributes in entity 1: The influence of microclimate gradients on soil characteristics within tree-fall gaps		Details
1. GAPNUMBR Definition: Site designator Units: number Domain: range (minimum = 110.  maximum = 210.)
2. GAPSIZE Definition: Gap diameter in meters Units: meters Domain: range (minimum = 10.  maximum = 50.)
3. LOCATION Definition: Sampling location along transect Units: number Domain: range (minimum = 1.  maximum = 50.)
4. DIRECTN Definition: Direction: 0 = E-W, 1 = N-S Units: number Domain: range (minimum = 0.  maximum = 1.)
5. ORIENTN Definition: Orientation E-W = east to west; N-S = south to north (explicit) Domain: freetext
6. QUAD Definition: 1=Eout; 2=Ein; 3=Wout; 4=Win; 5=Nout; 6=Nin; 7=Sout; 8=Sin Units: number Domain: range (minimum = 1.  maximum = 4.)
7. SECTION Definition: Compass direction from center of gap (explicit) Domain: freetext
8. IN_OUT Definition: 1 = out of gap, 2 = in gap Units: number Domain: range (minimum = 1.  maximum = 2.)
9. MOIST Definition: Percent moisture Units: percent Domain: range (minimum = 10.0  maximum = 60.0)
10. SOILTEMP Definition: Soil temperature measured with Licor Units: degrees Celsius Domain: range (minimum = 10.0  maximum = 20.0)
11. SOM Definition: Soil organic matter Units: percent Domain: range (minimum = 10.  maximum = 90.)
12. LITTER Definition: Litter depth in cm Units: centimeters Domain: range (minimum = 0.  maximum = 20.)
13. TOTALMAT Definition: Percentage of core containing mycorrhizal mats Units: percent Domain: range (minimum = 0.  maximum = 100.)
14. PH Definition: Soil ph Units: pH units Domain: range (minimum = 4.00  maximum = 7.00)
15. ROOTS Definition: Amount of live roots found in cores (dry weight basis) Units: grams Domain: range (minimum = 0.00  maximum = 12.00)
16. FLDRESP Definition: Field respiration rates Units: grams per square meter per day Domain: range (minimum = 0.0  maximum = 50.0)
17. LABRESP Definition: Laboratory respiration rates (dry weight basis, as C) Units: micrograms per gram per hour Domain: range (minimum = 0.00  maximum = 10.00)
18. B_GLUC Definition: Beta-glucosidase activity (dry weight basis) Units: micromoles per gram per hour Domain: range (minimum = 0.00  maximum = 1.00)
19. DENIT Definition: Denitrification potential (dry weight basis, as N) Units: nanograms per gram per hour Domain: range (minimum = 0.000  maximum = 7.000)