Browsing the EDCS ‘Specification”for a Specific Concept

• Determine the concept to identify with an EDCS label (ex: “TREE”)

• Open the EDCS Specification (HTML index)

• Search the list of classification codes alphabetically:
  • Select Table 5.4 in Clause 5 (“EDCS Classifications”)
  • Look at ECs that begin with “T”; 3 “TREE” related items found:
    • TREE: An individual woody-perennial <PLANT>, having a self-supporting main stem or trunk and a definite crown; a tree or tree-like plant.
    • TREED_TRACT: A <TRACT> covered by a group of woody-perennial <PLANT>s having a self-supporting main stem or trunk; a copse, thicket, or <TREE> stand; a treed tract.
    • TREELINE: A relatively linear arrangement of <TREE>s; a treeline.

• Search by GROUP:
  • Select Table 8.6 in Clause 8 (“EDCS Organizational Schema”)
  • Look for a GROUP that might include the feature “TREE”; the group “PLANT” found
  • Look at the classifications listed under “PLANT”; 5 “TREE” related items found
    • FOREST,
    • FOREST_PRESERVE,
    • TREE,
    • TREED_TRACT, and
    • TREELINE

• Read the concept definition of each of these classifications to choose desired “TREE” feature

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