Skip to Main Content
A comparison of dynamic and static economic models of uneven-aged stand managementAuthor(s): Robert G. Haight
Source: Forest Science 31(4):957-974
Publication Series: Scientific Journal (JRNL)
Station: North Central Research Station
PDF: Download Publication (732.04 KB)
DescriptionNumerical techniques have been used to compute the discrete-time sequence of residual diameter distributions that maximize the present net worth (PNW) of harvestable volume from an uneven-aged stand. Results contradicted optimal steady-state diameter distributions determined with static analysis. In this paper, optimality conditions for solutions to dynamic and static harvesting problems are established. Comparison of these conditions shows that for a stand with any diameter distribution: (1) the optimal transition regime does not converge to the steady state that maximizes land expectation value (LEV) using the Faustmann equation; (2) the PNW of the optimal transition and steady-state regime is greater than the PNW of the statically determined steady-state regime; and (3) the optimal steady-state regime is invariant. A refined version of a recently published dynamic optimization algorithm is provided and demonstrated with a whole-stand/diameter-class simulator for hardwood stands in Wisconsin. Optimal management regimes are computed for comparison with a static equilibrium management regime and for analysis of the effect of cutting-cycle length on harvest pattern and PNW.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, firstname.lastname@example.org if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationHaight, Robert G. 1985. A comparison of dynamic and static economic models of uneven-aged stand management. Forest Science 31(4):957-974
KeywordsForest economics, optimal harvesting, nonlinear programming, gradient method
- Fixed and equilibrium endpoint problems in uneven-aged stand management
- Optimizing the sequence of diameter distributions and selection harvests for uneven-aged stand management
- WestPro: a computer program for simulating uneven-aged Douglas-fir stand growth and yield in the Pacific Northwest.
XML: View XML