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In the Name of God

Iranian Journal of Forest and Poplar Research

Published by: Research Institute of Forests and Rangelands Director-in-chief: Hossein Mirzaie-Nodoushan

(Professor, Research Institute of Forests and Rangelands) Chief editor: Khosro Sagheb - Talebi

(Associate professor, Research Institute of Forests and Rangelands)

Editorial Board:

Jazirei, Mohammad-Hossein

Professor, Forest, Range and Watercatchment Organization

Marvie-Mohajer, Mohammad-Reza Professor, University of Tehran

Modir-Rahmati, Alireza

Associate professor, Research Institute of Forests and Rangelands

Rahmani, Ramin

Associate professor, University of Gorgan Rostami-Shahraji, Teimour Associate professor, University of Guilan Sagheb-Talebi, Khosro

Associate professor, Research Institute of Forests and Rangelands

Sobhani, Houshang

Associate professor, University of Tehran Zobeiri, Mahmoud

Professor, University of Tehran

Executive manager: Reza Akhavan

Assistant professor, Research Institute of Forests and Rangelands

Literary editor: Asghar Ahmadi

Abstracts are avilable on CABI Publishing:

www. Cabi - Publishing. Org www.isc.gov.ir

www.SID. ir

Research Institute of Forests and Rangelands, P.O. Box 13185-116,Tehran, Iran.

Tel: +98 21 44580282-5 Fax: +98 21 44580216 E-mail: ijfpr@rifr-ac.ir

1 " 23 45 6 - 4 * 89

: "; <!"# $ %&%'

18 ' -G Q 4 1389

Islamic Republic of Iran Ministry of Jihad-e- Agriculture

Agricultural Research, Education and Extension Organization Research Institute of Forests and Rangelands

Iranian Journal of

Forest and Poplar Research

Vol. 18, No. (4), 2010

Serial: 42

Contents

ISSN: 1735-0883

Impact of environmental factors on distribution of wild pear (Pyrus glabra Boiss.) in Sepidan region, Fars province ... 516

M. Hamzehpour, Kh. Sagheb-Talebi, K. Bordbar, L. Joukar, M. Pakparvar and A.R. Abbasi Snag dynamic in a mixed Beech forest ... 526

K. Sefidi and M.R. Marvie Mohadjer

Phenology and growth characteristics of seven clones of Populus deltoides in Astaneh Ashrafie, Guilan ... 538

E. Lashkarbolouki, A.R. Modirrahmati, R. Rahmani, E. Kahneh and S.A. Mousavi Koopar Impact of physiographic and human factors on crown cover and diversity of woody species in the Zagros forests (Case study: Ghalajeh forests, Kermanshah province) ... 555

R. Parma and Sh. Shataee Jouybari

Effect of severe lopping on radial growth of Lebanon Oak (Quercus libani Oliv.) trees in Baneh adjacent forests ... 568

R. Abedini, K. Pourtahmasi, H. Ghazanfari and A.N. Karimi

Risk zone mapping of forest fire using GIS and AHP in a part of Paveh forests ... 586 F. Mohammadi, N. Shabanian, M. Pourhashemi and P. Fatehi

Seed viability of Fagus orientalis Lipsky during short-time storing ... 595 S.A. Motallebi, M. Tabari, A. Soltani and V. Etemad

Spatial pattern of Manna Oak trees (Quercus brantii Lindl.) in Bayangan forests of Kermanshah ... 608

A. Safari, N. Shabanian, R.H. Heidari, S.Y. Erfanifard and M. Pourreza

Estimation of fruit production of Cornelian cherry (Cornus mas L.) and Hazelnut (Corylus avellana L.) in Arasbaran forests ... 620

S. Ghanbari, M. Zobeiri, S.M. Heshmatolvaezin and T. Shamekhi

Determination of appropriate place of cutting in shoots and young branches of five Poplar species and clones ... 629

R. Bagheri, R. Ghasemi and F. Merrikh

Impacts of ground cover vegetation on natural regeneration of wild pistachio (Pistacia atlantica) (Case study: wild pistachio experimental forest, Fars province) ... 638

M.R. NegahdarSaber and A.R. Abbasi

Effect of acorn size, fencing and protective treatments (treeshelter and mulch) on establishment, growth and survival of Chestnut-leaved oak (Quercus castaneifolia C.A. Mey.) seedlings in first growing season ... 655

A.R. Ali-Arab, M. Tabari, M.A. Hedayati, K. Espahbodi and Gh.A. Jalali

Stemflow generations in natural and pure stands of Chestnut leaved oak (Quercus castaneifolia C.A.M) and Oriental beech (Fagus orientalis Lipsky) within the summer season.. ... 666

S.M. Hosseini Ghaleh Bahmani, P. Attarod, M.T. Ahmadi, M.R. Marvi Mohadjerand V.

Etemad

Effect of cutting source and planting depth on vegetative propagation of Populus caspica Bornm. ... 679

S.E. Sadati, M. Tabari, M.H. Assareh, H. Heidari Sharifabad and P. Fayaz