Calculation of uneven-aged stand structures with the negative exponential diameter distribution and Sterba's modified competition density rule

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dc.contributor.authorGül A.U.
dc.contributor.authorMisir M.
dc.contributor.authorMisir N.
dc.contributor.authorYavuz H.
dc.date.accessioned2024-07-22T08:23:56Z
dc.date.available2024-07-22T08:23:56Z
dc.date.issued2005
dc.description.abstractDepending on Sterba's modified Competition Density Rule [Sterba, H., 1975. Assmann's theorie der grundflächenhaltung die "Competition Density Rule" det Japaner Kira, Ando und Tadaki. Cbl. f.d. ges. Forstw. 92, 46-62], the maximum basal area (Gmax), quadratic mean diameter (dGmax), and stem numbers (NGmax), for uneven-aged stands of Abies nordmanniana in the Black Sea Region in Turkey were calculated. Then, an exponential diameter distribution as a function of dominant height for these stands was obtained by solving nonlinear system of equations, which uses the maximum basal area (G max) and the stem numbers (NGmax) as input values, and gives diminution coefficient (q) and the number of stems in the largest diameter class (N1) as outputs. The results are in accordance to Sterba and Monserud's findings [Sterba, H., Monserud, R.A., 1993. The maximum density concept applied to uneven-aged mixed species stands. For. Sci. 39 (3), 432-452] on the slope of the maximum density line, and with Susmel's [Susmel, L., 1956. Laws and the variation of the parameters in uneven-aged normal forests. L'Italia Forestale e Montana XI (3), 3-14] concept of decreasing q with increasing dominant height. © 2005 Elsevier B.V. All rights reserved.
dc.identifier.DOI-ID10.1016/j.foreco.2005.04.012
dc.identifier.issn03781127
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/19763
dc.language.isoEnglish
dc.subjectAbies Nordmanniana
dc.subjectBasal Area
dc.subjectForests
dc.subjectMixed Stands
dc.subjectStems
dc.subjectEastern Hemisphere
dc.subjectEurasia
dc.subjectTurkey
dc.subjectWorld
dc.subjectAbies
dc.subjectAbies nordmanniana
dc.subjectForestry
dc.subjectNonlinear systems
dc.subjectage determination
dc.subjectstand structure
dc.subjectDiminution coefficient (q)
dc.subjectQuadratic mean diameter (dGmax)
dc.subjectStand structures
dc.subjectStem numbers (NGmaX)
dc.subjectEnvironmental engineering
dc.titleCalculation of uneven-aged stand structures with the negative exponential diameter distribution and Sterba's modified competition density rule
dc.typeArticle

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