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Creator:: Marshall, David D., Johnson, Gregory P., and Hann, David W.
Abstract:: Crown profile equations were developed for stand-grown western hemlock (Tsuga heterophylla (Raf.) Sarg.) in northwest Oregon. The profile model uses a segmented approach, dividing the crown into an upper and lower portion at the point of the largest crown width (LCW). The model explains about 86% of the variation in...
Resource Type:: Article
Full Text:: northwestern Oregon David D. Marshall, Gregory P. Johnson, and David W. Hann Abstract: Crown profile

Creator:: Bell, John F., Marshall, David D., Johnson, Gregory P., and Oregon State University. Forest Research Laboratory
Abstract:: Tarif access tables were developed for mountain hemlock [Tsuga mertensiana (Bong.) Carr.] on the Deschutes National Forest in the Central Oregon Cascade Mountains from an equation for cubic-foot volume including top and stump (CVTS). These tables provide access to the comprehensive tree-volume tarif system.
Resource Type:: Technical Report
Full Text:: University in Corvallis. Gregory P. Johnson is a research analyst for International Paper Company in Lebanon

Creator:: Doerr, Don R., Daley, P. Martin, and Byrne, Gregory G.
Abstract:: Internal controls have often been thought of as specific activities that are performed to ensure accounting transactions have been recorded properly and to ensure security over assets. This definition was supplemented in a previous monograph on internal controls, "Accounting Controls for a Forest Products Firm," published in January 1981 ....
Resource Type:: Technical Report
Full Text:: Number 39 December 1 993 Don R. Doerr P. Martin Daley Gregory G. Byrne Don R. Doerr is the

Creator:: Filip, Gregory M., Kanaskie, Alan, Kavanagh, Kathleen L., 1955-, Johnson, Greg, Johnson, Randy (G. Randy), Maguire, Douglas A. (Douglas Alan), and Oregon State University. Forest Research Laboratory
Abstract:: For the past ten years, Douglas-fir on the Oregon and Washington coast has shown a progressive decrease in height and diameter increment as a result of Swiss needle cast, which is caused by Phaeocryptopus gaeumannii. In this contribution, we discuss the effects of silvicultural operations on Swiss needle cast and...
Resource Type:: Technical Report
Full Text:: RECOMMENDATIONS by Gregory Filip Alan Kanaskie Kathleen Kavanagh Greg Johnson Randy Johnson Douglas Maguire

Creator:: Temesgen, Hailemariam, Goerndt, Michael E., Johnson, Greg P., Adams, Darius M., and Monserud, Robert A.
Abstract:: Forest measurement and biometrics (FMB) programs have been at the heart of forestry education in North America since its beginnings at the Biltmore Forest School more than 100 years ago. Over the intervening period, the field of forestry has changed in critical ways. There are many forest management and policy...
Resource Type:: Article
Full Text:: , Oregon State University, 280 Peavy Hall, Corvallis, OR 97331. Greg P. Johnson is biometrician

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