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TD031
Attributes in entity
1
:
Sample weights, mass loss, carbon and nitrogen dynamics
Details
1. DBCODE
Definition:
FSDB database code
Domain:
enum
2. ENTITY
Definition:
Entity number
Units:
number
Domain:
range (minimum = 1. maximum = 1.)
3. SITE
Definition:
Site where samples were incubated
Domain:
enum
4. REP
Definition:
Replicate number
Units:
number
Domain:
range (minimum = 1. maximum = 4.)
5. TIME
Definition:
The time the litter will be harvested (sequential collection number)
Units:
number
Domain:
range (minimum = 1. maximum = 6.)
6. TIMEOUT
Definition:
The amout of time that the root sample incubated in the field
Units:
number of years
Domain:
range (minimum = 0.25 maximum = 2.00)
7. SPECIES
Definition:
Root species code
Domain:
taxa
8. TYPE
Definition:
Diameter class of the root sample, position for the GOBA (dowel) sample
Domain:
enum
9. SAMP_NUM
Definition:
Unique sample number, except for GOBA dowels that are differentiated by type
Units:
number
Domain:
range (minimum = 1. maximum = 10804.)
10. IODW
Definition:
Initial oven dry weight before field incubation
Units:
grams
Domain:
range (minimum = 0.000 maximum = 3549.500)
11. IASH
Definition:
Percent of initial sample composed of ash
Units:
percent
Domain:
range (minimum = 0.00 maximum = 12.32)
12. IAFODW
Definition:
Initial ash-free oven dry weight
Units:
grams
Domain:
range (minimum = 0.00 maximum = 3525.72)
13. INI_C
Definition:
Percent of initial sample composed of carbon ((100-iash)/1.9)
Units:
percent
Domain:
range (minimum = 44.74 maximum = 54.40)
14. INI_N
Definition:
Percent of initial sample composed of nitrogen
Units:
percent
Domain:
range (minimum = 0.13 maximum = 2.19)
15. INI_C_CONT
Definition:
Carbon content of initial sample ashfree basis
Units:
grams
Domain:
range (minimum = 0.000 maximum = 1805.520)
16. INI_N_CONT
Definition:
Nitrogen content of initial sample ashfree basis
Units:
grams
Domain:
range (minimum = 0.000 maximum = 7.117)
17. FWW
Definition:
Final wet weight of sample after field incubation
Units:
grams
Domain:
range (minimum = 6.79 maximum = 9091.20)
18. FOW
Definition:
Final oven dry weight of sample after field incubation
Units:
grams
Domain:
range (minimum = 2.10 maximum = 3516.00)
19. FASH
Definition:
Percent of sample composed of ash after field incubation
Units:
percent
Domain:
range (minimum = 0.01 maximum = 26.30)
20. FAFOW
Definition:
Final ash-free oven dry weight after field incubation
Units:
grams
Domain:
range (minimum = 1.617 maximum = 3463.260)
21. MOISTURE
Definition:
Percent moisture of final sample after field incubation, can be over 100 moisture=100*((fww-fow)/fow) ie. water weight/dry weight * 100
Units:
percent
Domain:
range (minimum = 2.5 maximum = 2439.0)
22. MASSLOSS
Definition:
Percent of the mass of the sample that was lost during incubation
Units:
percent
Domain:
range (minimum = -9.06 maximum = 77.22)
23. CARBON
Definition:
Percent of final sample composed of carbon after field incubation ((100-fash)/1.9)
Units:
percent
Domain:
range (minimum = 38.79 maximum = 52.63)
24. CARBON_REM
Definition:
Percent of initial carbon content (mass) remaining after field incubation ie. final carbon content/initial carbon content
Units:
percent
Domain:
range (minimum = 17.46 maximum = 106.03)
25. AF_N
Definition:
Percent of sample composed of nitrogen after field incubation
Units:
percent
Domain:
range (minimum = 0.03 maximum = 2.60)
26. NITRO_REM
Definition:
Percent of initial nitrogen content (mass) remaining after field incubation ie. final nitrogen content/initial nitrogen content
Units:
percent
Domain:
range (minimum = 10.42 maximum = 219.23)
27. C_N_RATIO
Definition:
Ratio of carbon to nitrogen (c:n)
Units:
number
Domain:
range (minimum = 18.18 maximum = 1728.70)