NDLI: Compatible volume and taper models for economically important tree species of Turkey

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Compatible volume and taper models for economically important tree species of Turkey

Annals of Forest Science : Volume 68

Annals of Forest Science : Volume 67

Annals of Forest Science : Volume 66

Annals of Forest Science : Volume 65

Annals of Forest Science : Volume 64

Compatible volume and taper models for economically important tree species of Turkey

Content Provider	Springer Nature Link
Author	Özçelik, Ramazan Brooks, John R.
Copyright Year	2011
Abstract	The accurate estimation of stem taper and volume are crucial for the efficient management of the forest resources. Compatible segmented polynomial taper and volume equations were developed for Brutian pine (Pinus brutia Ten.), Lebanon cedar (Cedrus libani A. Rich.), Cilicica fir (Abies cilicica Carr.), Scots pine (Pinus sylvestris L.), and Black pine (Pinus nigra Arnold.).In this study, the Clark et al. (USDA For Serv Res Pap SE-282, 1991) segmented taper model was selected as this model is one of the most tested segmented models and has frequently been well ranked for its excellent performance. The data for each species were divided into two sets: the majority (about 75%) was used to estimate model parameters, and the remaining data (about 25%) were reserved to validate the models. The performance of the models was compared and evaluated by average bias, standard error of the estimate (SEE), and a fit index (FI).The proposed model generally performed better than the other equations for the whole tree as well as for sections within the tree, based on the ten relative height classes examined. In addition, tree bole volume estimates were compared to other established tree bole volume estimation techniques.Based on our results, the taper equation of Clark et al. (1991) is recommended for estimating diameter at a specific height, height to a specific diameter, merchantable volume, and total volume for the species considered.
Starting Page	105
Ending Page	118
Page Count	14
File Format	PDF
ISSN	12864560
Journal	Annals of Forest Science
Volume Number	69
Issue Number	1
e-ISSN	1297966X
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-10-07
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Paris
Access Restriction	Subscribed
Subject Keyword	Segmented models Form-class profile Taper Volume Turkey Tree Biology Forestry Management Forestry Environment Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Ecology Forestry

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