Yıl: 2015 Cilt: 39 Sayı: 6 Sayfa Aralığı: 851 - 863 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey

Öz:
Eucalyptus plantations are an important source of raw materials for the forest products industry in Turkey. Despite itseconomic and ecological value, there is little reference information regarding the growth and yield of eucalyptus plantations. Thus,a segmented compatible stem taper and merchantable tree volume equation system was developed for eucalyptus plantations in theEastern Mediterranean Region of Turkey. The data used in this study come from 190 Eucalyptus grandis (EG) and 149 Eucalyptuscamaldulensis (EC) destructively sampled from even-aged plantations. The equation systems were fitted by the simultaneous estimationof parameters by maximum likelihood with the full information estimation method in order to optimize fitting while simultaneouslyminimizing the errors in a combined way. The equation systems produced similar results for the two species analyzed in this study.Based on the overall fit statistics, the taper and volume equations showed consistent performance for different sections of stem usingrelative height classes, different tree height, and diameter classes in estimating stem diameter and merchantable volume. Differences inthe taper equations among eucalyptus species were examined and tested using the F-test. The result of the F-test indicated differencesin species-specific taper equations for the EG and EC species. A different taper equation should therefore be used for each eucalyptusspecies. The segmented taper and merchantable stem volume equations can help forest managers to estimate the stem diameter andvolumes of standing trees of both eucalyptus species, which is important in practical forestry applications.
Anahtar Kelime:

Konular: Orman Mühendisliği
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Özçelik R, GÖÇERİ M (2015). Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. , 851 - 863.
Chicago Özçelik Ramazan,GÖÇERİ Mehmet Fatih Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. (2015): 851 - 863.
MLA Özçelik Ramazan,GÖÇERİ Mehmet Fatih Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. , 2015, ss.851 - 863.
AMA Özçelik R,GÖÇERİ M Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. . 2015; 851 - 863.
Vancouver Özçelik R,GÖÇERİ M Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. . 2015; 851 - 863.
IEEE Özçelik R,GÖÇERİ M "Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey." , ss.851 - 863, 2015.
ISNAD Özçelik, Ramazan - GÖÇERİ, Mehmet Fatih. "Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey". (2015), 851-863.
APA Özçelik R, GÖÇERİ M (2015). Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. Turkish Journal of Agriculture and Forestry, 39(6), 851 - 863.
Chicago Özçelik Ramazan,GÖÇERİ Mehmet Fatih Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. Turkish Journal of Agriculture and Forestry 39, no.6 (2015): 851 - 863.
MLA Özçelik Ramazan,GÖÇERİ Mehmet Fatih Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. Turkish Journal of Agriculture and Forestry, vol.39, no.6, 2015, ss.851 - 863.
AMA Özçelik R,GÖÇERİ M Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. Turkish Journal of Agriculture and Forestry. 2015; 39(6): 851 - 863.
Vancouver Özçelik R,GÖÇERİ M Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey. Turkish Journal of Agriculture and Forestry. 2015; 39(6): 851 - 863.
IEEE Özçelik R,GÖÇERİ M "Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey." Turkish Journal of Agriculture and Forestry, 39, ss.851 - 863, 2015.
ISNAD Özçelik, Ramazan - GÖÇERİ, Mehmet Fatih. "Compatible merchantable stem volume and taper equations for eucalyptus plantations in the Eastern Mediterranean Region of Turkey". Turkish Journal of Agriculture and Forestry 39/6 (2015), 851-863.