New application of a polynomial curve to plot volume estimation
1994
Zakrzewski, W.T. (Ontario Forest Research Institute, Sault Ste. Marie, ON, Canada.) | Ter-Mikaelian, M.
This paper presents a new method of plot volume estimation using a limited sample of heights. It requires measurement of all diameters in the plot and a limited number of height measurements per plot within a plot-specific diameter class predefined by the method. It also requires a diameter-based description of tree form. The method utilizes a polynomial curve to relate heights and diameters, but does not provide information on the plot height structure in the form of a traditional height-diameter curve. The approach was examined using data from north-central Ontario jack pine (Pinus banksiana Lamb.) stands. The developed method of stand volume estimation is precise and unbiased with respect to height measurements; it reduces laborious height measurements compared with traditional methods utilizing a height-diameter curve
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