Spherical Densiometer
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This tool is used to determine forest canopy coverage.It will measure forest overstory density from unobstructed sighting positions. It uses a spherical-shaped reflector mirror engraved with a cross-shaped grid of 24 quarter squares with delineates a a plot overhead. Comes in a 3" x 3" x 1" wooden case.Comes complete with a leveling bubble for an accurate location. Comes in two models Concave or Convex .The readings from the Convex model represent a larger sample size than those from the Concave model.

GRS Densiometer
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This instrument has an angled sighting mirror and offset leveling vials which allow vertical sampling of forest canopies for a variety of coverage characteristics such as: canopy structure, coverage by tree size and species, and percentage of conifer/hardwood. Constructed of durable PVC material.