Revisions allow you to track differences between multiple versions of your content, and revert back to older versions.

Pearsall-Barnes Landscape Ecosystems

Variables
Variables (legacy): 

maj_landfo

  • Label: Major Landform
  • Definition: The major landform an ecosystem falls on. The most overarching level of classification.
  • Type: Nominal
  • Missing values: None specified

,
Subclass[N]

  • Label: Subclassifications
  • Definition: Levels of classification below the Major Landform. Each hierarchy is unique to the landform it falls on, so "Subclass 1" will describe different features within the bounds of different major landforms. This maintains fidelity to Doug Pearsall's hierarchy.
  • Type: Nominal
  • Missing values: None specified

,
Site

  • Label: Site
  • Definition: A brief description of the most specific landscape ecosystem type.
  • Type: Nominal
  • Missing values: None specified

,
Drainage

  • Label: Drainage
  • Definition: Describes the extent to which the ecosystem collects and retains precipitation
  • Type: Nominal
  • Missing values: None specified

,
Substrate

  • Label: Substrate
  • Definition: Describes the type and/or texture of the soil
  • Type: Nominal
  • Missing values: None specified

,
Understory

  • Label: Understory
  • Definition: The dominant understory family. Often, a single species or family is used by Pearsall as shorthand for an assortment of understory plants which commonly co-occur.
  • Type: Nominal
  • Missing values: None specified

,
PreLogging

  • Label: Pre- logging era forest community
  • Definition: The most probable tree community before euroamerican settlement
  • Type: Nominal
  • Missing values: None specified