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TP073

Attributes in entity 2: WS1 & 3 Succession Plots -- Cover, frequency, and biomass measurement data

     Details
1. STCODE
Definition: Study code
Domain: enum
2. FORMAT
Definition: Entity number
Units: number
Domain: range (minimum = 2.  maximum = 2.)
3. YEAR
Definition: Year of measurement
Units: number
Domain: range (minimum = 1962.  maximum = 2017.)
4. PLOTID
Definition: Plot Id consisting of watershed, unit, transect, and plot number
Domain: place
5. WATERSHED
Definition: Watershed number
Domain: place
6. UNIT
Definition: Watershed / Cutting unit number
Domain: enum
7. TRANSECT
Definition: Transect number
Domain: enum
8. PLOT
Definition: Plot number of 250 square meter plot
Units: number
Domain: range (minimum = 1.  maximum = 27.)
9. QUADRAT
Definition: Quadrat number - the central, original and long-term cover measurement plot is quadrat 0 - satellite quadrats (1-4) were added to increase the sampling area within the 250 sq. m plot but were discontinued (WS01: 1980-1983, WS03: 1979-1987)
Domain: enum
10. SPECIES
Definition: Species code
Domain: taxa
11. TYPE
Definition: Cover type indicator - describes whether SPECIES is a plant species, genus or family, a growth form, or a ground surface type
Domain: enum
12. COVER
Definition: Cover (percent of plot) - this is either plant species, growth form or ground surface cover
Units: percent
Domain: range (minimum = 0.0  maximum = 100.0)
13. FREQUENCY
Definition: Frequency of a single species occurrence (0 to 9) in nine 1.1 foot-square plots in one quarter of 6.6 square foot central plot - used from 1962 through 1977
Units: number
Domain: range (minimum = 0.  maximum = 9.)
14. INDIV_COUNT
Definition: Unique consecutive number assigned to each species requiring biomass measurements to account for multiple occurrences within the plot, e.g., multiple stems (formerly lc=line count)
Units: number
Domain: range (minimum = 1.  maximum = 137.)
15. DBH
Definition: Diameter at breast height - measured directly above the nail
Units: centimeters
Domain: range (minimum = 0.8  maximum = 53.2)
16. DBA
Definition: Basal diameter - measured at base above any basal swell
Units: centimeters
Domain: range (minimum = 0.1  maximum = 120.0)
17. HEIGHT
Definition: Plant height
Units: centimeters
Domain: range (minimum = 1.0  maximum = 1900.0)
18. STEMS
Definition: Number of stems
Units: number
Domain: range (minimum = 1.  maximum = 200.)
19. LENGTH
Definition: Length
Units: centimeters
Domain: range (minimum = 1.0  maximum = 220.0)
20. WIDTH
Definition: Width
Units: centimeters
Domain: range (minimum = 0.8  maximum = 50.0)
21. TAG
Definition: Stem tag number - use begins in 1983 and all trees are tagged greater than 1.37 meters tall
Units: number
Domain: range (minimum = 6.  maximum = 9984.)
22. OUTOFPLOT
Definition: Indicates whether plant species is rooted outside of plot (Y=outside, N=inside) - use begins in 2002
Domain: enum
23. SAMPLEDATE
Definition: Field measurement date
Units: date as date type
Domain: range (minimum = Sep 25 1962  maximum = Oct 27 2017)