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 18 (2011)
Volume 17 (2010)
Volume 16 (2009)
Volume 15 (2008)
Volume 14 (2007)
Volume 13 (2006)
Volume 7 (2000)
Volume 6 (1999)
Volume 11 ()
Assessment and generating desertification map using FAO and UNEP method in Kavire-e-Meighan basin

Ali Farmahini Farahani; Mohammad Darvish

Volume 19, Issue 4 , March 2013, Pages 547-556

  Desertification is a global problem and most of arid and semi-arid countries of the world including Iran face this phenomenon. Desertification causes many limitations in terms of agriculture, food supply, livestock farming, industry development and so forth. This phenomenon is a process that has gradually ...  Read More

Animal Unit Equivalent (AUE) and daily energy requirement for Kabodeh breed sheep grazing on lowland and highland rangelands of Fars Province

Hossein Arzani; Javad Motamedi (Torkan); Ali Nikkhah; Hossein Azarnivand; Mehdi Ghorbani

Volume 19, Issue 4 , March 2013, Pages 557-570

  Information on animal requirements is essential to calculate rangeland grazing capacity. Therefore, animal weight and animal unit equivalent (AUE) of each breed should be determined independently. In this research, live weight of Kabodeh sheep was determined based on average live weight of 3 and 4 years ...  Read More

Determination of forage quality of Agropyron libanoticum Hack at different phenological stages

Seyed Akbar Javadi; Shadi Mohamad pori naeem; Hossein Arzani; Ahmad Ahmadi

Volume 19, Issue 4 , March 2013, Pages 571-580

  Determination of forage quality of rangeland species is one of the fundamental factors for evaluation of grazing capacity and management of rangelands. In this study, forage quality of Agropyron libanoticum was compared in three phenological stages in Nejh valley, Urmia. After sampling, quality indices ...  Read More

Characteristics of Na+, K+ and free proline distribution in three xerophytes of Stipagrostis pennata, Calligonum polygonoides and Hammada salicornia, in Yazd province

Asghar Mosleh Arany; Gholamreza Bakhshi Khaniki; Bibi ozra Hakimi Bafghi

Volume 19, Issue 4 , March 2013, Pages 581-589

  Potassium, sodium and free proline play important roles in adaptation of plant species to arid conditions. Distribution of Na+, K+ and free proline in desert plants is not clear. In this study, the accumulation of Na+, K+ and free proline was investigated in three species namely, Stipagrostis pennata, ...  Read More

Investigation on intensity of geology-geomorphology and soil criteria on desertification of Segzi plain

Saeedeh Nateghi; Gholam reza Zehtabian; Hasan Ahmadi

Volume 19, Issue 4 , March 2013, Pages 590-600

  Segzi plain is one of the most critical areas of the province in terms of the extent and severity of desertification process. This area has a special strategic position due to the industrial centers, Shahid Babaee airport, Shahid Beheshti International Airport, railroads, transit road of Bandar Abbas- ...  Read More

Investigation on soil seed bank in plant communities of Genu protected area

Kian Nadjafi-Tireh-Shabankareh; Adel Jalili; Nemat Alah Khorasani; Ziba Jamzad; Younes Asri

Volume 19, Issue 4 , March 2013, Pages 601-613

  Genu protected area is located in the north–west of Bandar Abbas and its summit is 2347 meters above sea level. In this study, soil seed bank was investigated in vegetation communities. Soil seed bank plays a role in the revival of vegetation after degradation. In protected areas, understanding ...  Read More

Relationship between rainfall and annual forage production of important range species (Case study: Khoshkerood –Saveh)

Sedigheh Zarekia; Niloofar Zare; Ali Ehsani; Farhang Jafari; Hasan Yeganeh

Volume 19, Issue 4 , March 2013, Pages 614-623

  Each of the range species has certain production in different months and years of grazing seasons. Without understanding the production characteristics of species during grazing season, planning and livestock management is not feasible. Therefore, understanding the annual and monthly production of different ...  Read More

Evaluation of desertification intensity with wind erosion criterion using MICD and FAO-UNEP models in Zahak region of Sistan

Ahmad Pahlavanravi; Alireza Moghadamnia; Zohreh Hashemi; Mohammad reza Javadi; Abbas Miri

Volume 19, Issue 4 , March 2013, Pages 624-639

  Many studies have been carried out to assess and prepare desertification map in the world. In order to assess the current situation of desertification intensity, a study was carried out in an area of 88350 hectares in Zahak region of sistan. In this study, at first, based on combining information extracted ...  Read More

Drought resistance evaluation based on forage yield in accessions of Agropyron trichophorum by drought resistance indices

Hooshmand Safari; Ali Ashraf Jafari

Volume 19, Issue 4 , March 2013, Pages 640-654

  Drought resistance of 24 accessions of Agropyron trichophorum was examined based on forage yield in a complete block design with three replications under normal and dry land farming system. Drought resistance indices of genotypes were measured for forage dry matter yield of two environment conditions ...  Read More

Effects of soil properties and physiographic factors on vegetation cover (Case study: Polur Summer Rangelands)

Shokoufeh Shokrollahi; Hamidreza Moradi; Ghasem Ali Dianati Tilaki

Volume 19, Issue 4 , March 2013, Pages 655-668

  Vegetation cover is one of the most important factors for sustainability of ecosystems, thus recognizing and understanding factors that affect establishment and distribution of vegetation communities are necessary. This study was aimed to determine the relationship between vegetation properties (vegetation ...  Read More

Physiological and morphological characteristics in seedlings of four Bromus inermis ecotypes under drought stress in germinator and greenhouse condition

Mojtaba Akhavan Armaki; Hossein Azarnivand; Mohammad Hasan Asareh; Ali Ashraf Jafari; Ali Tavili

Volume 19, Issue 4 , March 2013, Pages 669-678

  Drought has a major influence on morphological and physiological characteristics of plant species. Drought stress has a direct relationship with germination characteristics including germination percentage, seedling length (mm/plant), root to shoot ratio, seedling weight (g), ratio of dry weight to fresh ...  Read More

Interaction effect of Mianeh Zeolite and Taravat® A200 polymer on water retention and available water in a coarse-textured soil

Habib alah Beigi Harchegani; Marzieh Haghshenas Gorgabi

Volume 19, Issue 4 , March 2013, Pages 679-692

  In this study, the effects of Mianeh Zeolite and Taravat® A200 polymer on moisture content and available water content of a coarse-textured soil were investigated. Mianeh zeolite was applied at four levels (0%, 2%, 5%, and 8% on weight basis) and Taravat® A200 polymer was applied at 5 levels ...  Read More

Grouping of Agropyron tauri populations based on morphological traits

Jalil Karimzadeh; Hasan Monirifar; Akbar Abdi Ghazijahani; Ahmad Razban Haghighi

Volume 19, Issue 4 , March 2013, Pages 693-702

  In order to study the grouping of Agropyron tauri populations, 13 populations were investigated in a randomized complete blocks design with three replications. The study was performed in research field of Islamic Azad University of Tabriz in 2010. In this study, a number of traits including plant height, ...  Read More

Comparison of the effects of one-year cutting on production and tillering of four halophytes

Majid Mohammad-Esmaeili; Reza Kavandi; Vahid Karimian; Hossein Sabouri

Volume 19, Issue 4 , March 2013, Pages 703-713

  Grazing and harvesting are two major ways of utilizing natural and artificial grasslands. Current research was aimed at studying the effects of shoot cutting frequency on total phytomass, above-ground phytomass, underground phytomass, the condition of tillering, and the tolerance of four halophytes (P. ...  Read More

Response of blue panicgrass (Panicum antidotale) to harvest frequency and intensity

Hamid Hoveizeh; Mamak Ahmadian

Volume 19, Issue 4 , March 2013, Pages 714-721

  Blue panic (Panicum antidotale) is a perennial species with warm growing season and very limited natural distribution in southern Iran. It is considered as a main species of tall grasses in sandy rangelands. This species is succulent and nutritious at early growth stage but soon becomes woody and fibrous. ...  Read More

Effects of humic acid on vegetative characteristics of Festuca arundinacea

Alireza Rahi; Hossein Mirzaie-Nodoushan; Mahmoud Danaee; Fereshteh Azizi

Volume 19, Issue 4 , March 2013, Pages 722-736

  To investigate the effects of humic acid on vegetative characteristics of a rangeland species, Festuca arundinacea, a greenhouse experiment was conducted at Damavand city, Iran, based on a randomized complete block design. Levels of 0, 75, 150, and 225 kg per hectare of humic acid were used in a form ...  Read More

Comparison of phenology of Artemisia sieberi in different steppe regions of Iran

Ali Ehsani

Volume 19, Issue 4 , March 2013, Pages 737-747

  The objective of study on phenology of range plant species is to assess the changes of different phenology stages (germination, flowering, seed maturity stages, autumn growth and winter dormancy) in order to adjust range utilization programs, prevention of early or late grazing, recognition of nutritional ...  Read More