1.

Contents

Pages 1-9
2.

Site demands and some silvicultural characteristic of Caucasian false walnut (Pterocarya fraxinifolia Spach.) in Lorestan province

Pages 353-343
Seyyed Rahman Sohrabi; Khosro Sagheb Talebi; Karim Khademi
3.

Design, manufacturing and preliminary evaluation of a wheeltrimmer

Pages 367-354
Farshid Merrikh; Mohammad Kazem Araghi; Reza Bagheri; Bohlool Abbaszadeh
4.

Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.

Pages 377-368
Pejman Parhizkar; Soodabea Ali Ahmad Korori; Farhang Moraghebi; Maryam Teimouri; Yoosof Torabian; Negin Manouchehri
5.

Typology of seedling composition and density in regeneration gaps of Ramsar- Safaroud forest

Pages 389-378
Beytollah Amanzadeh; Manoocher Amani; Majid Hassani
6.

Phenological study of different Poplar clones Populus euramericana and Populus deltoides in Karaj collection during 1986 - 2004

Pages 407-390
Raf'atollah Ghasemi; Ali Reza Modir Rahmati; Ahmad Hemmati; Farhad Asadi; Mohsen Kalagari
7.

Qualitative and quantitative investigation on plantations of lime tree (Tilia platyphyllos) and Cappadocian maple (Acer cappadocicum) in Chamestan region, northern Iran

Pages 418-408
Sayyed Ehsan Sadati; Sayyed Reza Mostafanejad
8.

The effects of density and pruning levels on survival and vigority in Saxaul (Haloxylon aphyllum Minkw.) plantations of Yazd province

Pages 430-419
Naser Baghestani Maybodi; Amanollah Rahbar
9.

Deforestation modeling and investigation on related physiographic and human factors using satellite images and GIS (Case study: Armerdeh forests of Baneh)

Pages 443-431
Mohammad Rashid Amini; Sha'ban Shataee Joybari; Mohammad Hadi Moaieri; Hedayatollah Ghazanfari
10.

Comparing the growth of Paulownia fortunei and Populus deltoides plantations under different spacing in northern Iran

Pages 454-444
Nahid Riahifar; Asghar Fallah; Kiomars Mohammadi Samani; Yoosof Gorji Mahlebani
11.

Determination of optimum number of ecological groups in vegetation classification (Case study: Kheiroudkenar Forests)

Pages 466-455
Javad Eshaghi Rad; Ghavamoddin Zahedi Amiri; Asadollah Mataji
12.

Effects of physiographical factors on oak sprout-clumps structure in Baba-Kooseh forest; Kermanshah province

Pages 477-467
Niknam Soleymani; Davood Dargahi; Mahdi Pourhashemi; Mojtaba Amiri
13.

Effect of collection time on germination and viability of Tilia platyphylus (Basswood)

Pages 485-478
Maryam Mollashahi; Sayyed Mohsen Hosseini; Daryoosh Bayat; Bahram Naseri; Afsaneh Rezaee; Layla Vatani
14.

Analysis of socio – economic factors influencing on adoption of agroforestry among poplar farmers in northern part of Iran

Pages 494-486
Amir Kayvan Darvish; Mohammad Chizari; Sayyed Mahdi Mirdamadi
15.

Tree cover change detection through Artificial Neural Network classification using Landsat TM and ETM+ images (case study: Golestan Province, Iran)

Pages 505-495
Abdorrasool Salman Mahini; Jahangir Feghhi; Azadeh Nadali; Borhan Riazi


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