The Study of Qualitative, Quantitative Characteristics of Traditional Poplar (Populus alba and Populus nigra) Plantations in Western Esfahan Province

Document Type : Research Paper

Authors

1 MSc., Natural Resources- Forestry, Sari Faculty of Natural Resources, Sari, Iran

2 Associate Professor, Department of Forestry, Sari University of Agricultural Sciences and Natural Resources, Sari, Iran

Abstract

In order to study the qualitative, quantitative characteristics of a pure common Populus alba stand in Polkalleh & a mixed stand of Populus alba & Populus nigra in Karchegan, two 30-year-old stands were selected with a plantation interval ( spacing) of 2.5 × 1.5 m in each of which 30 pcs of 2 are samples were randomly selected. In each sample pc all the trees diameters were measured using a diameter gage tape and relevant heights were measured using a Sonto gradiometer. The measurement results of quantitative variables showed that average diameter for the pure Populus alba stand 26.36 cm, for the mixed stand of Populus alba & Populus nigra 22.02 cm, for the Populus alba trees in the mixed stand 22.44 cm and for the Populus nigra trees in the mixed stand 20.98 cm obtained. Also the average height for the pure Populus alba stand 23.09 m, for the mixed stand of Populus alba & Populus nigra 21.05 m, for the Populus alba trees in the mixed stand 21.31 m and for the Populus nigra in the mixed stand 20.42 m calculated. Average volume for the pure Populus alba stand 679.06 m3/hectare and for the mixed stand of Populus alba & Populus nigra 679.06 m3/hectare obtained of which 323/81 m3/hectare for the Populus alba trees and 106.24 m3/hectare for the Populus nigra trees respectively. According to the results, quantitative and qualitative characteristics of pure Populus alba stand is in a better situation than than the mixed stand of Populus alba & Populus nigra.

Keywords

References

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Forest and Wood Products
Volume 67, Issue 2 - Serial Number 2
September 2014
Pages 233-244

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