Economic comparisons of thinning from above and below in Loblolly Pine plantations using dynamic programming

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dc.contributor.authorArthaud, Greg Johnen
dc.contributor.committeechairKlemperer, W. Daviden
dc.contributor.committeememberBurkhart, Harold E.en
dc.contributor.committeememberScrivani, John A.en
dc.contributor.departmentForestryen
dc.date.accessioned2014-03-14T21:49:35Zen
dc.date.adate2012-11-14en
dc.date.available2014-03-14T21:49:35Zen
dc.date.issued1986-06-15en
dc.date.rdate2012-11-14en
dc.date.sdate2012-11-14en
dc.description.abstractThinning from above and below were compared using an economic optimizing dynamic program, FORTE (Arthaud 1986). Economically optimal (net present value maximizing) thinning regime and rotation age were determined for benchmark economic and model inputs. Sensitivity of net present value and optimal management regime were tested for varying interest rates (6 or 8%), site indexes (50, 60 and 70, base 25 years), fixed and variable thinning costs, planting density (440, 680 and 910 trees per acre), stumpage prices and thinning type. Given the same assumptions, thinning from below consistently provided the higher net present value for the optimal regime than thinning from above. For the benchmark assumptions, both thinning types had two thinnings in their optimal regimes. Optimal rotation age and thinning timings occur later when thinning from above. Both thinning types provided higher net present values than not thinning under all conditions except pulpwood management.en
dc.description.degreeMaster of Scienceen
dc.format.extentvii, 139 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-11142012-040152en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-11142012-040152/en
dc.identifier.urihttp://hdl.handle.net/10919/45663en
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1986.A675.pdfen
dc.relation.isformatofOCLC# 15062129en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1986.A675en
dc.subject.lcshForest thinningen
dc.subject.lcshLoblolly pineen
dc.titleEconomic comparisons of thinning from above and below in Loblolly Pine plantations using dynamic programmingen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineForestryen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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