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Overstory and Understory Leaf Nitrogen Content at FASET in 2012 - data file

Variables
Variables (legacy): 

Plot

  • Label: Plot ID
  • Definition: 16 m plots in FASET
  • Type: Nominal
  • Missing values: None specified

,
Species

  • Label: Tree Species
  • Definition: The abbreviated scientific name of each tree species.
  • Type: Code list
  • Codes:
    • ACRU = Acer rubrum
    • QURU = Quercus rubrua
    • PIST = Pinus strobis
    • ACSA = Acer saccharum
    • FAGR = Fagus grandifolia
  • Missing values: None specified

,
canopy

  • Label: Canopy Position
  • Definition: The overstory or understory position of the referenced tree.
  • Type: Code list
  • Codes:
    • O = overstory
    • U = understory
  • Missing values: None specified

,
percent_N

  • Label: Percent Nitrogen
  • Definition: Weight percent nitrogen in the sample.
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.001
  • Missing values:
    • NA =

,
percent_C

  • Label: Percent Carbon
  • Definition: Weight percent carbon in the sample.
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • NA =

,
CN_molar_ratio

  • Label: Carbon Nitrogen Molar Ratio
  • Definition: Molar ratio of C:N in the sample of interest. Calculated as follows: C/N = %C / %N * 1.17.
  • Type: Nominal
  • Missing values: None specified

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