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• 1. [Article] Equations for predicting diameter and squared diameter inside bark at breast height for six major conifers of southwest Oregon

  Citation × Citation Citation Abstract Copy Title: Equations for predicting diameter and squared diameter inside bark at breast height for six major conifers of southwest Oregon Author: Oregon State University. Forest Research Laboratory, Hann, David W., Larsen, David R. (David Rolf) Title: Equations for predicting diameter and squared diameter inside bark at breast height for six major conifers of southwest Oregon Author: Oregon State University. Forest Research Laboratory, Hann, David W., Larsen, David R. (David Rolf) Close

• 2. [Article] Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir

  Citation × Citation Citation Abstract Copy Title: Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir Author: Ritchie, Martin W., Oregon State University. Forest Research Laboratory, Hann, David W. Title: Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir Author: Ritchie, Martin W., Oregon State University. Forest Research Laboratory, Hann, David W. Close

• 3. [Article] Height-diameter equations for sixteen tree species in the central western Willamette Valley of Oregon

  Equations for predicting tree height as a function of diameter outside bark at breast height are presented for 16 tree species from the central western Willamette Valley of Oregon. Foresters can use these ...

  Citation × Citation Citation Abstract Copy Title: Height-diameter equations for sixteen tree species in the central western Willamette Valley of Oregon Author: Wang, Chao-huan, Oregon State University. Forest Research Laboratory, Hann, David W. Equations for predicting tree height as a function of diameter outside bark at breast height are presented for 16 tree species from the central western Willamette Valley of Oregon. Foresters can use these "height-diameter" equations to avoid the time consuming task of measuring heights of all individual trees in an inventory, a stand exam, or a timber cruise. Equation coefficients were estimated with weighted nonlinear regression techniques. Because site index can influence height, alternative equations including transformations of site index as an independent variable also are presented for 6 of these 16 species. Title: Height-diameter equations for sixteen tree species in the central western Willamette Valley of Oregon Author: Wang, Chao-huan, Oregon State University. Forest Research Laboratory, Hann, David W. Equations for predicting tree height as a function of diameter outside bark at breast height are presented for 16 tree species from the central western Willamette Valley of Oregon. Foresters can use these "height-diameter" equations to avoid the time consuming task of measuring heights of all individual trees in an inventory, a stand exam, or a timber cruise. Equation coefficients were estimated with weighted nonlinear regression techniques. Because site index can influence height, alternative equations including transformations of site index as an independent variable also are presented for 6 of these 16 species. Close

• 4. [Article] Height-diameter equations for seventeen tree species in southwest Oregon

  Equations for predicting total height as a function of diameter at breast height are presented for 17 tree species from southwest Oregon. Because basal area and site index often influence tree height, ...

  Citation × Citation Citation Abstract Copy Title: Height-diameter equations for seventeen tree species in southwest Oregon Author: Larsen, David R., Oregon State University. Forest Research Laboratory, Hann, David W. Equations for predicting total height as a function of diameter at breast height are presented for 17 tree species from southwest Oregon. Because basal area and site index often influence tree height, additional equations are presented which may include either or both of these as independent variables. Equation coefficients were estimated with weighted nonlinear regression techniques and validated on an independent data set. When tree heights are not measured in stand exams or inventories, these equations are useful for estimating height or, indirectly, height growth. Title: Height-diameter equations for seventeen tree species in southwest Oregon Author: Larsen, David R., Oregon State University. Forest Research Laboratory, Hann, David W. Equations for predicting total height as a function of diameter at breast height are presented for 17 tree species from southwest Oregon. Because basal area and site index often influence tree height, additional equations are presented which may include either or both of these as independent variables. Equation coefficients were estimated with weighted nonlinear regression techniques and validated on an independent data set. When tree heights are not measured in stand exams or inventories, these equations are useful for estimating height or, indirectly, height growth. Close