Volume 31 (2024)
Volume 30 (2023)
Volume 29 (2022)
Volume 28 (2021)
Volume 27 (2020)
Volume 9 (2019)
Volume 8 (2019)
Volume 26 (2019)
Volume 12 (2019)
Volume 10 (2019)
Volume 25 (2018)
Volume 24 (2017)
Volume 23 (2016)
Volume 22 (2015)
Volume 21 (2014)
Volume 20 (2013)
Volume 19 (2013)
Volume 18 (2011)
Volume 16 (2009)
Volume 15 (2008)
Volume 14 (2007)
Volume 13 (2006)
Volume 7 (2000)
Volume 6 (1999)
Volume 11 ()
Evaluation of sediment estimation of E.P.M and P.S.I.A.C models using geomorphology method (case study: Dehnamak Watershed)

Hasan Ahmadi; Ali asghar Mohammadi

Volume 17, Issue 3 , October 2010, Pages 340-352

Abstract
  Since wind or water erosion is a phenomenon that causes waste of soil, it is necessary to combat soil erosion through soil conservation practices.  Currently, some models have been developed to estimate erosion which should be examined with other existing models in different regions. In this study, ...  Read More

Effect of underground water properties on distribution of vegetation types in marginal lands of Meighan playa – Arak province

Gholam reza Zehtabian; Mehrnush Ghadimi; Ali Tavili; Jamal Bakhshi

Volume 17, Issue 3 , October 2010, Pages 353-361

Abstract
  This research was performed to investigate the relationship between environmental factors including water and plant composition. In other words, determining the most effective factors in distribution of vegetation types in Arak playa was the main aim of this study. To achieve this goal, the initial map ...  Read More

Application of Growth Degree-Days in determining phenological stages of four grass species in Homand Absard Research Station

Taghi Mir haji; Abbas ali Sanadgol; Mohammad hasan Ghasemi; Soheila Nori

Volume 17, Issue 3 , October 2010, Pages 362-376

Abstract
  Phenology of four range species including Elymus transhircanus, Elytrigia libanotica Stipa bromoides and Stipa capillata were studied in Homand Absard Research Station, 70 km far from east Tehran, for five years (2003-2007). 20 plants were selected for each species and four important phenological stages ...  Read More

A comparison between viewpoint of experts and utilizers of natural resources on people participation in the process of preservation, restoration, development and utilization of forests and rangelands-

Bagher Arayesh; Faraj... Hosseini; Mahdi Mirdamadi; Eeraj Malek mohammadi

Volume 17, Issue 3 , October 2010, Pages 377-392

Abstract
  The purpose of this study is to compare the viewpoint of experts and utilizers of natural resources on people participation in the process of preservation, restoration, development and utilization of forests and rangelands in Ilam province. The present study is practical type with a cause -and –effect ...  Read More

Assessment of vegetation changes in rangelands under different grazing intensities Case study: Charandow of Kurdistan province

Jamal Imani; Ali Tavili; Esaa Bandak; Bahram Gholinejad

Volume 17, Issue 3 , October 2010, Pages 393-401

Abstract
  Analysis of vegetation is one of the important factors in appropriate management of rangelands. The current research was conducted to evaluate canopy cover percentage, forage production, and species density in four areas including reference area, personal rangeland, key area and critical area in the ...  Read More

Evaluation of current condition of desertification using I.C.D Model (case study: KHEZR ABAD, YAZD)

Saeid Gharachelo; Mohamad reza Ekhtesasi; Mojtabah Zareian Jahromi; Mohamad bagher Samadi

Volume 17, Issue 3 , October 2010, Pages 402-420

Abstract
  Nowadays, desertification is one of the ecological crises of the world. To control desertification, having a clear understanding of its factors and processes is necessary. Khezr Abad-Hemat Abad region of Yazd with area of 242 Km2 was considered to evaluate current condition of desertification using ICD. ...  Read More

Autecology of Melica persica Kunth. in Khorasan region

Hamed Zarif Ketabi; Amr ali Shahmoradi; Majid Dashti; Asghar Paryab; Gholam reza Hosseini-Bamrood; Sadegheh Zarekia

Volume 17, Issue 3 , October 2010, Pages 421-430

Abstract
  Melica persica is a perennial grass from Poaceae family with a partly wide adaptability which makes it an important range plant species, especially for soil conservation. It is native to Iran and mostly grows in Irano-Torani and Hirkani regions. To study autecology of Melica persica, its habitats in ...  Read More

Investigation on relationship between environmental factors and distribution of vegetation in Agh Toghe basin

Farhad Zolfaghari; Ahmad Pahlevanravi; Akbar Fakhireh; Mitra Jabari

Volume 17, Issue 3 , October 2010, Pages 431-444

Abstract
  Agh Toghe basin is in the central part of Marave Tapeh located in the east of Golestan province. In this research, study area was investigated based on Braun-Blanquet to identify plant communities. Afterward, relationship between environmental factors particularly slope, elevation, vegetation cover and ...  Read More

Efficiency of vegetation and thermal indices of NOAA-AVHRR satellite in ecological drought analysis of Kashan region

Ali akbar Shamsi pur; Kazem Alavi panah; Hossein Mohammadi

Volume 17, Issue 3 , October 2010, Pages 445-465

Abstract
  The purpose of this study is to track and analyze the environmental effects of droughts by remote sensing indices in Kashan desert and dry zone. Temporal changes of droughts was evaluated using normal Z index in annual and seaonal (spring) scales. Spectral and thermal data from data series of NOAA-AVHRR ...  Read More

Effect of different treatments on seed dormancy breaking and germination stimulation of Ammodendron persicum

Ali Tavili; Salman Zare; Reza Yari

Volume 17, Issue 3 , October 2010, Pages 466-475

Abstract
  Nowadays, with regard to the global view of desert issue and necessity of using adaptable species in combat desertification, it is urgent to identify and remove the constraints of their production and establishment.  Ammodendron persicum is one of the important and compatible species in desert ecosystems. ...  Read More

Native mechanisms in range management of Kalhor tribe's nomads

Abdolhamid Papzan; Nashmil Afshazadeh

Volume 17, Issue 3 , October 2010, Pages 476-488

Abstract
  Human being, now and in future, absolutely requires natural resources to continue his life especially rangelands as the most vital bed for sustainable development of environment and ecological phenomena, main feed supply for livestock in traditional animal husbandry system and so forth. Rangelands with ...  Read More

Effects of seed coating methods on seed germination of Sanguisorba minor in different soil moisture levels and sowing depths.

Hamid reza Mehrabi; Mohammad reza Chaichi; Reza Tavakolafshari; Hasan Madah Arefi; Ghavamodin Zahedi Amiri

Volume 17, Issue 3 , October 2010, Pages 489-498

Abstract
  Applying methods like seed coating which result in germination improvement, reduction of environmental stresses and increase of range species establishment is utmost important.  This experiment was performed to evaluate the effect of different seed coating methods on Sanguisorba minor seed germination ...  Read More