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1 September 2009 Speed and Accuracy of Methods for Obtaining Measurements of Forests
C. Joan Patterson, Douglas A. James
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Abstract

Point-quarter, random-pairs, 0.004-ha-arm-length-rectangle, and 0.04-ha-circle methods for sampling density, diameters, and size categories were used in an oak-hickory (Quercus-Carya) woodlot. Results from three trials for each method were compared to actual density of trees determined from a total count of trees in the woodlot. With respect to accuracy per time spent, the 0.04-ha circle was the best method and the point-quarter method was the worst. These findings improve on previous studies because, for the first time, repeated trials in the field were employed.

C. Joan Patterson and Douglas A. James "Speed and Accuracy of Methods for Obtaining Measurements of Forests," The Southwestern Naturalist 54(3), 279-283, (1 September 2009). https://doi.org/10.1894/DW-77.1
Received: 2 January 2003; Accepted: 29 November 2008; Published: 1 September 2009
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