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    Author(s): Jeffrey H. Gove; Mark J. Ducey; William B. Leak; Lianjun Zhang
    Date: 2008
    Source: Forestry. 161-176.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (469.75 KB)


    Stand structures from a combined density manipulation and even- to uneven-aged conversion experiment on the Bartlett Experimental Forest (New Hampshire, USA) were examined 25 years after initial treatment for rotated sigmoidal diameter distributions. A comparison was made on these stands between two probability density functions for fitting these residual structures: the Burr Type III and a finite mixture of Weibulls. All stands exhibited some form of uneven-aged structure (either reverse J or rotated sigmoid) after 25 years. The Burr distribution fits the final distributions as well as the more complicated finite mixture model in all cases.

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    Gove, Jeffrey H.; Ducey, Mark J.; Leak, William B.; Zhang, Lianjun. 2008. Rotated sigmoid structures in managed uneven-aged northern hardwood stands: a look at the Burr Type III distribution. Forestry. 161-176.

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