New methods for estimating parameters of weibull functions to characterize future diameter distributions in forest stands

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  • Authors: Cao, Quang V.; McCarty, Shanna M.
  • Publication Year: 2006
  • Publication Series: General Technical Report (GTR)
  • Source: Gen. Tech. Rep. SRS-92. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 338-340

Abstract

Diameter distributions in a forest stand have been successfully characterized by use of the Weibull function. Of special interest are cases where parameters of a Weibull distribution that models a future stand are predicted, either directly or indirectly, from current stand density and dominant height. This study evaluated four methods of predicting the Weibull parameters, using data from loblolly pine (Pinus taeda L.) plantations. One method, the CDF Regression, consistently produced better goodness-of-fit statistics than those from the other methods.

  • Citation: Cao, Quang V.; McCarty, Shanna M. 2006. New methods for estimating parameters of weibull functions to characterize future diameter distributions in forest stands. Gen. Tech. Rep. SRS-92. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 338-340
  • Posted Date: June 17, 2006
  • Modified Date: August 22, 2006

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