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TP001
Attributes in entity
6
:
Stand by species summaries for density, basal area, volume and biomass of live and dead trees
Details
1. DBCODE
Definition:
FSDB Database Code
Domain:
enum
2. ENTITY
Definition:
Data table number
Units:
number
Domain:
range (minimum = 6. maximum = 6.)
3. STANDID
Definition:
Study forest stand or watershed identification code
Domain:
place
4. SPECIES
Definition:
Tree species code
Domain:
taxa
5. YEAR_AGG
Definition:
Aggregate year for data summaries (used to accommodate interim site visits that took place in years between remeasurement year (e.g., mortality checks, additions of plots, etc.)
Units:
number
Domain:
range (minimum = 1910. maximum = 2019.)
6. PORTION
Definition:
Portion of ecosystem
Domain:
enum
7. TPH_NHA
Definition:
Number of trees per hectare
Units:
number
Domain:
range (minimum = 0.0000 maximum = 4000.0000)
8. BA_M2HA
Definition:
Basal area
Units:
square meters per hectare
Domain:
range (minimum = 0.0000 maximum = 200.0000)
9. VOL_M3HA
Definition:
Bole wood volume calculated using local BIOPAK equations (Means et al. 1994)
Units:
cubic meters per hectare
Domain:
range (minimum = 0.0000 maximum = 4000.0000)
10. BIO_MGHA
Definition:
Bole biomass based on local BIOPAK equations (Means et al. 1994)
Units:
megagrams per hectare
Domain:
range (minimum = 0.0000 maximum = 2000.0000)
11. JENKBIO_MGHA
Definition:
Total aboveground biomass using Jenkins et al. (2003) equations
Units:
megagrams per hectare
Domain:
range (minimum = 0.0000 maximum = 2000.0000)
12. NO_PLOTS
Definition:
Number of plots summarized for the year
Units:
number
Domain:
range (minimum = 1. maximum = 101.)