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TD022

Attributes in entity 1: Log and Snag Descriptions

     Details
1. DBCODE
Definition: FSDB Database Code
Domain: enum
2. ENTITY
Definition: Entity number
Units: number
Domain: range (minimum = 1.  maximum = 1.)
3. STUDYID
Definition: Study Id, matches those in TD12 and TV010 whenever possible
Domain: enum
5. STAND
Definition: Code for stand
Domain: place
6. PLOT
Definition: Arbitrary site number associated with cwd piece.
Domain: freetext
7. YEAR
Definition: Year the sample collection took place
Units: year (yyyy)
Domain: range (minimum = 1980.  maximum = 2001.)
8. NUMBER
Definition: Identifying code/number of CWD piece
Domain: freetext
9. SPECIES
Definition: Code for speciesof the log, snag or stump
Domain: taxa
10. POSITION
Definition: Position of the log, snag, or stump.
Domain: enum
11. DECAY
Definition: Decay class of sample
Domain: enum
12. AGE
Definition: Residence time of the cwd piece; the time it has been dead
Units: number of years
Domain: range (minimum = 0.  maximum = 500.)
13. METHOD
Definition: Method of determining the residence time
Domain: enum
14. CAUSE
Definition: Cause of death; this is very general
Domain: enum
15. DBH
Definition: Diameter at breast height of the cwd piece. in cases of very decayed piece this is estimated. used to calculate the original volume and mass
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
16. BD
Definition: Diameter at base of the cwd piece. this is the current measurement and does not correct for fragmentation. used to claculate the current volume& mass
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
17. TD
Definition: Diameter at top of the cwd piece. this is the current measurement and does not correct for fragmentation. used to claculate the current volume& mass
Units: centimeters
Domain: range (minimum = 1.  maximum = 100.)
18. LENGTH
Definition: Length of the cwd piece. this includes zones that have decayed away but not spaces caused when the piece fell to the forest floor.
Units: meters
Domain: range (minimum = 0.1  maximum = 60.0)
19. BCOVER
Definition: Bark cover on the bole of the cwd piece.
Units: percent
Domain: range (minimum = 0.  maximum = 100.)
20. VOLMISS
Definition: Volume missing. accounts for parts that have decayed away and do not co ntribute to the current volume (except parts missing to non-decay process).
Units: cubic centimeters
Domain: range (minimum = 0.0000  maximum = 0.8200)
21. DS1
Definition: Diamter at first sample point.
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
22. HS1
Definition: Height at first sample point.
Units: meters
Domain: range (minimum = 0.1  maximum = 50.0)
23. DS2
Definition: Diameter at second sample point.
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
24. HS2
Definition: Height at second sample point.
Units: meters
Domain: range (minimum = 0.1  maximum = 50.0)
25. DS3
Definition: Diameter at third sample point.
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
26. HS3
Definition: Height at third sample point.
Units: meters
Domain: range (minimum = 0.1  maximum = 50.0)
27. DS4
Definition: Diameter at fourth sample point.
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
28. HS4
Definition: Height at fourth sample point.
Units: meters
Domain: range (minimum = 0.1  maximum = 50.0)
29. DS5
Definition: Diameter at fifth sample point.
Units: centimeters
Domain: range (minimum = 1.  maximum = 200.)
30. HS5
Definition: Height at fifth sample point.
Units: meters
Domain: range (minimum = 0.1  maximum = 50.0)
31. CURVOL
Definition: Current volume of the CWD piece
Units: cubic centimeters
Domain: range (minimum = 0.0100  maximum = 50.0000)
32. ORIGVOL
Definition: Initial volume of the cwd piece
Units: cubic centimeters
Domain: range (minimum = 0.0100  maximum = 50.0000)
33. SAMPLEDATE
Definition: Date the sample collection took place
Units: date as date type
Domain: range (minimum = Sep 1 1982  maximum = Jun 24 1994)