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TV010

Attributes in entity 2: Individual tree remeasurement

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1. DBCODE
Definition: FSDB Database code
Domain: enum
2. ENTITY
Definition: Entity number
Units: number
Domain: range (minimum = 2.  maximum = 2.)
3. TREEID
Definition: Tree identification code represented as STANDID+PLOTID+00000, where 00000 represents a unique tree number for that stand and plot
Domain: freetext
4. PSP_STUDYID
Definition: Permanent Study Plots (PSP) study identification code - a mutually exclusive grouping of study forest stands
Domain: place
5. STANDID
Definition: Study forest stand or watershed identification code
Domain: place
6. PLOTNUMBER
Definition: Plot number within STANDID
Units: number
Domain: range (minimum = 0.  maximum = 1005.)
7. QUARTER
Definition: Quarter subplot number for circular plots - zero is assigned when quarter is not used or not applicable
Domain: enum
8. SPECIES
Definition: Tree species code (Taxonomic reference: Garrison and Skovlin 1976)
Domain: taxa
9. TAG
Definition: Current tree tag number
Units: number
Domain: range (minimum = 0.  maximum = 9999.)
10. YEAR
Definition: Year of establishment, remeasurement, or mortality
Units: number
Domain: range (minimum = 1910.  maximum = 2018.)
11. TREE_STATUS
Definition: Tree status code
Domain: enum
12. DBH
Definition: Tree diameter at breast height (1.37 m)
Units: centimeters
Domain: range (minimum = 0.1  maximum = 625.0)
13. DBH_CODE
Definition: Describes cases where dbh was estimated using methods defined in the codes
Domain: enum
14. CANOPY_CLASS
Definition: Canopy class code
Domain: enum
15. TREE_VIGOR
Definition: Overall vigor code
Domain: enum
16. CROWN_RATIO
Definition: Percent of a tree's height with live branches around one third or more of the bole's circumference
Units: percent
Domain: range (minimum = 0.  maximum = 100.)
17. MAIN_STEM
Definition: Main stem condition code (use of this code begins in 2010)
Domain: enum
18. ROOTING
Definition: Tree rooting condition code (use of this code begins in 2010)
Domain: enum
19. CROWN_PCT
Definition: Percent of a tree's live crown volume that is still intact along the stem (does not apply to uprooted trees); record for living trees begins in 2010 (Entity 2) - only recorded when mortality is noted before 2010 (Entity 3).
Units: percent
Domain: range (minimum = 0.  maximum = 100.)
20. TREE_PCT
Definition: Percent of the entire main stem length that is intact (does not apply to uprooted trees); record for living trees begins in 2010 (Entity 2) - only recorded when mortality is noted before 2010 (Entity 3).
Units: percent
Domain: range (minimum = 0.  maximum = 100.)
21. LEAN_ANGLE
Definition: Angle of tree lean in degrees from vertical, where vertical is 0 degrees (not recorded for uprooted trees); record for living trees begins in 2010 (Entity 2) - only recorded when mortality is noted before 2010 (Entity 3).
Units: degrees angle
Domain: range (minimum = 0.  maximum = 130.)
22. SAMPLEDATE
Definition: Date of remeasurement (day of month was not always tracked; in these cases the 1st of each month is assigned)
Units: date as date type
Domain: range (minimum = Feb 1 1910  maximum = Oct 27 2018)
23. CHECK_NOTES
Definition: Pertinent comments about the condition of the tree or to explain oddities about the measurement for a given remeasurement check
Domain: freetext