Geographic Resource Solutions

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GRS Densitometer

GRS is the designer and manufacturer of the Densitometer, a tool for the estimation of vegetation cover. The GRS Densitometer, when used with line-point transect sampling, combines horizontal and vertical vegetation sampling, thereby enabling the collection of resource information across the landscape (horizontally) at different canopy levels (vertically). This techniqudensitometere provides estimates of cover for any element in a forested environment such as: trees, shrubs, herbs, downed-woody material, fuels, and snags. This method of sampling has been shown to be accurate, objective, and repeatable be tween observers.

Please note that as of April of 2008, GRS began the production of a new version of the GRS Densitometer as show in the picture above.

TransIn is a program written specifically for densitometer transect data entry. Visit our TransIn page to download a FREE demonstration copy.

 

Who Uses the Densitometer?

Those who that want to estimate vegetation cover accurately and efficiently!

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Densitometer Purchase Information

The GRS Densitometer may be purchased in one of two ways:

  1. Contact GRS to purchase a GRS Densitometer directly from GRS or
  2. Contact one of our GRS Densitometer Resellers.

If you represent an education institution please contact us regarding our new GRS Densitometers for Education Program

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Densitometer Users Guide

The GRS Densitometer is used with the point-transect method of sampling.  The point-transect samping requires the sampling technician to tally the existence of vegetation (and other cover conditions) at points along a transect. The GRS Densitometer allows the user to easily view the location of a transect point in the canopy to quickly determine if a tree crown is tallied or not.

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