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Dominant height growth and dynamic site index models for Crimean pine in the Kastamonu–Taşköprü region of Turkey

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dc.contributor.authorSeki, Mehmet
dc.contributor.authorSakici, Oytun Emre
dc.date.accessioned2026-01-03T10:13:05Z
dc.date.issued2017-11-01
dc.description.abstractSome dynamic site index models based on the generalized algebraic difference approach (GADA) were fitted for Crimean pine (Pinus nigra J.F. Arnold subsp. pallasiana (Lamb.) Holmboe) stands in Taşköprü, Turkey. Data were obtained from 132 dominant trees representing the wide range of site quality in the region. Nonlinear regression analysis and a second-order continuous-time autoregressive error structure were applied. After autoregressive modeling, the fitted models were evaluated both statistically and graphically. The best results were obtained with the dynamic site index model derived from the Bertalanffy–Richards base equation, accounting for about the 99% of the total variance in height–age relationships in dominant trees, with an Akaike information criterion (AIC) value of 119.55 and root mean square error (RMSE) of 0.5446. The selected base-age invariant dynamic site index curves provided the polymorphism with multiple asymptotes and other realistic height growth patterns.
dc.description.urihttps://doi.org/10.1139/cjfr-2017-0131
dc.description.urihttps://dx.doi.org/10.1139/cjfr-2017-0131
dc.identifier.doi10.1139/cjfr-2017-0131
dc.identifier.eissn1208-6037
dc.identifier.endpage1449
dc.identifier.issn0045-5067
dc.identifier.openairedoi_dedup___::588504d41ee19f70888ab34a61e09ffd
dc.identifier.orcid0000-0003-3091-2927
dc.identifier.scopus2-s2.0-85032675023
dc.identifier.startpage1441
dc.identifier.urihttps://hdl.handle.net/20.500.12597/36563
dc.identifier.volume47
dc.identifier.wos000413924100001
dc.language.isoeng
dc.publisherCanadian Science Publishing
dc.relation.ispartofCanadian Journal of Forest Research
dc.rightsCLOSED
dc.subject.sdg15. Life on land
dc.subject.sdg16. Peace & justice
dc.titleDominant height growth and dynamic site index models for Crimean pine in the Kastamonu–Taşköprü region of Turkey
dc.typeArticle
dspace.entity.typePublication
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