Counting marmots…
Knowledge graph centered on Robel pole method (Passeridae) with 21 nodes and 89 connections. Top connected: Rocky Mountain Biological Laboratory, Gothic, Engelmann Spruce, Colorado East River Valley, Salix lucida subsp. lasiandra.
Used 120-cm modified-Robel pole from 4-meter distance at 1-meter height to measure vegetation density around nests at four cardinal directions. Recorded lowest height at which nest area was visible.
Synthesized from method descriptions across 1 paper using this protocol.