1 Application of artificial neural network and ordinary least squares regression in modeling land use changes Sara Azizi Ghalaty; Kazem Rangzan; Ayub Taghizadeh; Shahram Ahmady 2 Effects of ground-based skidding using wheeled skidder timberjack 450C on forest soil physical properties (Case study: Gorazbon Disrict, Kheyrud Forest) Shokouh Soltanpour; Meghdad Jourgholami 3 Structure and composition of oriental beech stands in the middle stage of ecological succession in the hyrcanain region Mahdi Kakavand; Mohanad Reza Marvi-Mohadjer; Khosro Sagheb- Talebi; Kiomars Sefidi 4 Morphological characteristics of old trees in hyrcanian forest (Case study: Pattom and Namkhaneh districts, Kheyrud) Mojtaba Azaryan; Mohammad Reza Marvie Mohadjer; Vahid Etemaad; Anoushirvan Shirvany; Seyed Mohammad Moein Sadeghi 5 Some soil and quantitative characteristics of Christ's thorn (Ziziphus spina christi L. Desf.) in natural sites of south west of Iran (Case study: Khouzestan and Booshehr provinces) Pedram Ghadiripour; Khosro Sagheb Talebi; Mohammad Hassan Saleheh Shushtari; Omid Esmailzadeh 6 Effect of osmopriming on germination indices of salinity- affected seeds of Pinus eldarica Medw. Zeinab Javanmard; Masoud Tabari; Hamid Reza Eisvand; Fatemeh Ahmadloo 7 Swelling control of forest road bed soil by polymeric materials Fatemeh Mousavi; Ehsan Abdi 8 Influence of source variation on biomass and survival of Caucasian oak (Quercus macranthera) in kentia nursery in north of Tehran Shima Hasanvand; Vahid Etemad; Manouchehr Namiranian; Pedram Attarod; Noushin Aftabtalab 9 Spatial patterns and intra-specific competition of chestnut leaf Oak (Quercus castaneifolia) using ripley’s K-function (Case study: Neka- Zalemrood forest- Sari) Farideh Omidvar Hosseini; Reza Akhavan; Hadi Kia-Daliri; Asadollah Mataji 10 Xylem and Bast Fiber Properties of Six Iranian Hemp Population Amir Saadati; Kambiz Pourtahmasi; Seyed Alireza Salami; Reza Oladi 11 Potential of canola oil utilization in dielectric paper fabrication using unbleached bagasse pulp Kajal Moradian Gilan; Mohammad Azadfallah; Amir Abbas Shayegani Akmal; Ali Abdolkhani 12 Accelerated autocondensation of quebracho tannin wood adhesive by boric acid Davood Efhamisisi; Yahya Hamzeh; Marie-France Thevenon; Ali Naghi Karimi; Anotonio Pizzi; Kambiz Pourtahmasi 13 The effect of extraction method on bioactive phenolic compounds of Cupressus arizonica Ali Abdulkhani; Akram Sedaghat; Faramarz Khodayian Chegini; Mohammad Hadi Ghasemi 14 Investigation changes in structure and thermal properties of glyoxalated soda and kraft lignins Hamed Younesi Kordkheili; Saeed Kazemi Najafi; Rabi Behrooz; Antonio Pizzi 15 Influences of Combined-Hydro-Thermo-Mechanical (CHTM) modification on moisture absorption and dimensional stability of poplar wood Peyman Fallah-Moghadam- Behambari; Behbood Mohebby; Hoori Sharifinia Dizboni 16 Effect of styrene and methyl methacrylate monomers on mechanical properties and decay resistance of beech (Fagus Orientalis) Maryam Ghorbani; Rozhin Kaki; Asghar Omidvar 17 Investigation of physical and mechanical properties of old magazine recycled fiber and glass fiber- polypropylene hybrid composite Monireh Imani; Ali Ghasemian; Alireza Shakeri; Iman Akbarpour 18 The effect of cationic modification of Precipitated Calcium Carbonate (PCC) on the optical and physical properties of paper Moghadaseh Akbari Amri; Nadia Kaboodi Torabi; Hossein Resalati; Ghasem Asadpour; MohammadReza Dehghani JOURNAL OF FOREST And WOOD PRODUCTS (IRANIAN JOURNAL OF NATURAL RESOURCES) VOLUME 68, NO. 1, Spring 2015 Contents