UMBS Fifty Year Plots 7

50yr_Plots_7_MIGeoRef.zip
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Variables
Variables (legacy): 

PLOT_ID

  • Label: PLOT ID
  • Definition: Identifies the plot number with in the UMBS Fifty Year Plots
  • Type: Code list
  • Codes:
    • 2_50yr = Plot number 2 of UMBS Fifty Year Plots
  • Missing values: None specified

,
species_ID

  • Label: Species ID
  • Definition: Plant species identified in UMBS Fifty Year Plots. Table with complete list of tree and shrub species identified is attached to data set as a data file named fiftyyearspecies.xlsx
  • Type: Code list
  • Codes:
    • 1 = Acer rubrum
  • Missing values: None specified

,
DBH

  • Label: Diameter at Breast Height
  • Definition: The diameter of the main tree stem taken at 4.5 ft.
  • Type: Physical quantity
  • Unit: inch
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values: None specified

,
Year

  • Label: Year
  • Definition: The year in which the sample was taken.
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified

Methods: 

Each tree greater than 1.0 meters tall in the established plots were identified, mapped, and its DBH (diameter at breast height) were measured 6 times between the years of 1938 and 1991.

For a detailed explanation of methods see Jurik TW, Briggs GM, Gates DM . 1988 . Aboveground biomass and production from 1938 to 1984 for four aspen plots in northern lower Michigan . Michigan Botanist.

Additional Information

FieldValue
mimetypeapplication/zip
filesizeunknown
resource typefile upload
timestampApr 03, 2019