Plot

• Label:
• Definition: Plot name
• Type: Nominal
• Missing values: None specified

,
Species

• Label:
• Definition: Tree species being observed
• Type: Code list
• Codes:
  • ACRU = Acer rubrum
  • PIRE = Pinus resinosa
  • PIST = Pinus strobus
  • QURU = Quercus rubra
  • FAGR = Fagus grandifolia
  • ABBA = Abies balsamea
  • Other = Species not listed
  • AMEL = Amelanchier spp.
  • POGR = Populus grandidentata
  • ACSA = Acer saccharum
  • BEPA = Betula papyrifera
  • POTR = Populus tremuloides
  • ACPE = Acer pensylvanicum
  • PIGL = Picea glauca
  • TSCA = Tsuga canadensis
  • Unknown = Species not known
• Missing values: None specified

,
Tally_date

• Label:
• Definition: Date of collection
• Type: Nominal
• Missing values: None specified

,
DBH_size_class

• Label:
• Definition: Diameter at breast height size class in centimeters (listed as range)
• Type: Code list
• Codes:
  • 0_to_2 = 0 to 2 centimeters
  • 2_to_4 = 2 to 4 centimeters
  • 4_to_6 = 4 to 6 centimeters
  • 6_to_8 = 6 to 8 centimeters
• Missing values: None specified

,
Status

• Label:
• Definition: If the sapling is dead or alive
• Type: Code list
• Codes:
  • Alive = Saplings measured were alive
  • Dead = Saplings measured were dead
• Missing values: None specified

,
Tally

• Label:
• Definition: Number of individual trees in the given plot of the same species, DBH, and status
• Type: Nominal
• Missing values: None specified

,
Biomass

• Label:
• Definition: Total biomass as the sum of all the biomasses for the trees with the same species, DBH, and status in the given plot
• Type: Nominal
• Missing values: None specified