A comparative economic evaluation of bucking deciduous trees: A Case study of Oriental beech (Fagus orientalis) stands in Northeastern Turkey

Abstract

A comparative economic evaluation of bucking deciduous trees: A Case study of Oriental beech ( Fagus orientalis ) stands in Northeastern Turkey Abstract:  The optimum bucking method assists loggers to determine optimum bucking combinations that maximized total economic value of harvested trees. Several previous studies investigated performance of optimum bucking method on coniferous trees in Turkish forestry. In this study, economic gain of using optimum bucking method was evaluated in deciduous forest of Oriental beech ( Fagus orientalis ) trees in northeastern region of Turkey. Network 2000 program was used to run optimum bucking method in a sample application. The findings of sample bucking application in Giresun Forest Regional Directorate were deemed to represent the optimum bucking data in nearby regional directorates (Artvin and Trabzon). Then, the economic gain of using optimum bucking method in producing Oriental beech ( Fagus orientalis ) was estimated for whole northeastern region of Turkey. The capability of optimum bucking method was evaluated by comparing study results with the results from traditional bucking method. The results indicated that optimum bucking application using Network 2000 program increased, although statistically not significant, the average economic value of harvested deciduous trees by 14.37%, comparing with traditional method, mainly relying on loggers’ experiences. The overall economic contribution of using optimum bucking in producing Oriental beech ( Fagus orientalis ) logs was estimated as 2,686,182.93 Turkish Lira (TL). Keywords:  Optimum bucking, network analysis, oriental beech, Turkey Yaprakli agaclarin boylanmasinda karsilastirmali ekonomik bir degerlendirme: Turkiye'nin kuzeydogusundaki Dogu kayini  ( Fagus orientalis )  mescereleri ornegi Ozet:  Optimum boylama yontemi, uretilen agaclarin toplam ekonomik degerini artiran optimum boylama kombinasyonlarina karar vermek icin orman iscilerine yardim eder. Birkac onceki calismada Turk ormanciliginda igne yapraklilar uzerine optimum boylama yonteminin performansi incelenmistir. Bu calismada optimum boylama yonteminin ekonomik kazanci Turkiye'nin kuzeydogu bolgesinde Dogu kayini ( Fagus orientalis ) yaprakli ormanlarinda degerlendirilmistir. Network 2000 programi ornek bir uygulamada optimum boylama yontemini calistirmak icin kullanilmistir. Giresun Orman Bolge Mudurlugunde ornek boylama uygulamasinin bulgularinin yakin bolge mudurluklerinde de (Artvin-Trabzon) optimum boylama verisi temsil etmesi kabul edilmistir. Ardindan, Turkiye’nin tum kuzeydogu bolgesi icin optimum boylama yontemi kullanarak uretilen Dogu kayininin ( Fagus orientalis ) ekonomik kazanci tahmin edilmistir. Calismadan elde edilen sonuclar geleneksel boylama yontemiyle elde edilen sonuclarla kiyaslanarak optimum boylama yonteminin kapasitesi degerlendirilmistir. Network 2000 programi kullanilarak gerceklestirilen optimum boylama uygulamasinin sonuclariyla orman iscilerinin tecrubelerine bagli olarak gerceklesen geleneksel yonteme ait sonuclar karsilastirildiginda, sonuclar istatistiksel olarak anlamsiz olmasina ragmen yaprakli agaclarin uretiminin ortalama ekonomik degerinde %14.37’lik artis gostermistir. Dogu kayini tomruklarinin uretiminde optimum boylamanin toplam ekonomik degeri 2,686,182.93 TL olarak tahmin edilmistir. Anahtar Kelimeler:  Optimum boylama, ag analizi, dogu kayini, Turkiye Received (Gelis):  04.08.2016 -  Revised (Duzeltme):  07.09.2016 - Accepted (Kabul):  07.09.2016 Cite (Atif):  Pak, M., Gulci, N., 2017. A comparative economic evaluation of bucking deciduous trees: A Case study of Oriental beech ( Fagus orientalis ) stands in Northeastern Turkey.  Journal of the Faculty of Forestry Istanbul University  67(1): 72-79. DOI: 10.17099/jffiu.52687