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Pakistan Journal of Biological Sciences
  Year: 2007 | Volume: 10 | Issue: 1 | Page No.: 1-6
DOI: 10.3923/pjbs.2007.1.6
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A Yield Prediction Model for Crimean Pine Plantations

Mehmet Misir and Nuray Misir

Crimean pine is one of the most important plantation and natural species in Turkey. In spite of this importance, information on the growth and yield of this species is lacking. For this reason, a model for growth and yield in crimean pine plantations is described, in which stand development is derived from relation to age and site index. Data were collected from 115 temporary sample plots from plantations ranging in age from 3 to 50 years. Site index curves and empirical yield tables were developed and presented. Site index curves were used to classify plantations into site classes of I, II and III, in order of decreasing productivity. Yield functions indicate that crimean pine can be grown on biologically optimum rotations of 35, 36 and 37 years on site classes I, II and III, respectively. The models can be calibrated on permanent field plot data and tested against independent long term growth and yield records.
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How to cite this article:

Mehmet Misir and Nuray Misir, 2007. A Yield Prediction Model for Crimean Pine Plantations. Pakistan Journal of Biological Sciences, 10: 1-6.

DOI: 10.3923/pjbs.2007.1.6






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