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Landscape Ecosystems Overstory DBH by Plot

Variables
Variables (legacy): 

ID

  • Label: ID
  • Definition: Entry ID number prior to sort by plot
  • Type: Nominal
  • Missing values: None specified

,
Plot

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

,
Genus

  • Label: Genus
  • Definition: Genus of individual being measured
  • Type: Nominal
  • Missing values: None specified

,
Species

  • Label: Species
  • Definition: Species of individual being measured
  • Type: Nominal
  • Missing values: None specified

,
DBH

  • Label: Diameter at breast height
  • Definition: Diameter at breast height of individual measured in centimeters
  • Type: Nominal
  • Missing values: None specified

,
Status

  • Label: Status
  • Definition: Whether the individual was dead or alive upon measurement. Stump implies the individual was recently cut but still measurable
  • Type: Nominal
  • Missing values: None specified

Methods: 

For complete methods, see Pearsall 1995 from the Literature Cited below. GIS map layer of plots can be found on the University of Michigan Biological Station website as LE Plots Corrected 2016. The codes used in the Horizon column of the LE_PlotMaster_Soil_and_Vege.csv file are from United States Department of Agriculture 1975, a newer version can be referenced here: https://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/home/?cid=nrcs...

Literature Cited

Lapin, M. 1990. The landscape ecosystem groups of the University of Michigan Biological Station: classification, mapping, and analysis of ecological diversity. Master Thesis. School of Natural Resources and Environment, University of Michigan, Ann Arbor, Michigan. 148 pp.

O'Connor, R. P. 2002. Ecosystem-mediated succession in aspen-dominated forests of Northern Lower Michigan. Master Thesis. School of Natural Resources and Environment, University of Michigan, Ann Arbor, Michigan. 134 pp.

Pearsall, D. R. 1995. Landscape ecosystems of the University of Michigan Biological Station: ecosystem diversity and ground-cover diversity. Ph.D. thesis, University of Michigan, Ann Arbor, Michigan. 431 pp. https://search.proquest.com/docview/304214124/abstract/A5B10FB9E09A45A9P...

Zogg, G. P. and B. V. Barnes. 1996. Ecological classification and analysis of wetland ecosystems, northern Lower Michigan, USA. Can J. For. Res. 25: 1865-1875.

Resources