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4-95 <br />• nearest meter. Accuracy of tree height estimates was <br />improved through the occasional use of an Abney inclinometer, <br />tape measure, and geometry calculations. When the appropriate <br />number of tree or shrub species was not present along with the <br />transect for measurement, those individual tree and shrub <br />species nearest the transect line were selected and measured. <br />Quadrats were used to collect density data. A rectangular <br />quadrat 50 meters by 5 meters was established along the cover <br />transect for collecting data on trees. The number of mature <br />(greater than 1.3 meters in height) trees rooted within the <br />quadrat were recorded by species. A circular quadrat with a <br />2.5 meter radius (19.6 m2 in area) was centered at the end of <br />• the line transect and shrubs counted by species. A circular <br />quadrat with a 1.6 <br />Shadscale affected <br />Sagebrush affected <br />meters by 5 meters <br />used in the Junipe <br />meter radius (8 mZ in area) was used in the <br />and reference areas as well as the Big <br />and reference areas, A square quadrat 5 <br />located at the end of the line transect was <br />r Woodland affected and reference areas. <br />Shrub and tree data were analyzed statistically using the OSM <br />formula as for cover and value, with density used for the mean. <br />4.8.6.3 Collection and Analysis of Production Data <br />Circular plots one meter square in area were used for product- <br />ion estimates. The current year's growth of all herbaceous <br />• plants was clipped. All graminoids were cut and sorted by indi- <br />