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 17 (2010)
Volume 16 (2009)
Volume 15 (2008)
Volume 14 (2007)
Volume 13 (2006)
Volume 7 (2000)
Volume 6 (1999)
Volume 11 ()
Precipitation Trend Analysis and Drought Assessment of Jazmorian Basin Using Trend Analysis Methods and Optimized Drought Indices

Sakineh Lotfinasabasl; Mohammad Khosroshahi; Zahra Saeedifar; Fatemeh Dargahian

Volume 25, Issue 4 , February 2019, , Pages 923-943

Abstract
  Precipitation temporal trend analysis and study of the drought condition have been of great concern during the past century because of the attention given to global climate change by the scientific community. The aim of present study was to investigate and analyze the rainfall trends and its affected ...  Read More

Estimating of above ground biomass of Haloxylon using sattelite based vegetation indices (Case study: Marak, Birjand )

sahar sabaghzade; Mohammad Zare; Mohamad Hosein Mokhtari; Mohamadreza Afkham olshoara

Volume 23, Issue 4 , March 2017, , Pages 843-855

Abstract
  Arid land degradation is the biggest environmental challenges in 21st century. Saxaul (Haloxylon spp) is one of the most important species for sand dunes fixation, widely used in reclamation of arid lands. One of the applications of satellite data is to estimate the biomass of plants. In this study, ...  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

Abstract
  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

Assessment of relationship between vegetation and salt soil in Qom province

Azadeh Asrari; Gholam reza Bakhshikhaniki; Abalfazl Rahmatizadeh

Volume 19, Issue 2 , September 2012, , Pages 264-282

Abstract
  In this research relationship between vegetation and salt soil in Qom province was studied. The study area situated in central Iranian which  is about 14631 km2 with Salt Lake. In this study, first considered region condition including the geographical position, geological history, pedology and ...  Read More

Study for yield and quality traits in 6 domestic populations of common vetch (Vicia sativa) grown under optimum and dry land farming system in Lorestan, Iran

Mohammad Hasan vand; Ali ashraf Jafari; Ali Sepahvand; Shahram Nakhjavan

Volume 16, Issue 4 , January 2010, , Pages 517-535

Abstract
  In order to compare yield and forage quality, six local genotypes of common vetch (Vicia sativa) were sown in two separate experiments under irrigated and dry land farming system using randomize complete block design with three replications in khorramabad agricultural research station during 2005 and ...  Read More

Relationships between the most important ecological factors and rangeland vegetative using multivariate data analysis methods. (case study :South of Markazi province)

Hamid reza Mirdavoodi; Hojat... Zahedi; Masud Shakoei; Javad Tourkan

Volume 13, Issue 3 , February 2006, , Pages 201-211

Abstract
  The initial step of each phenomenon is complementary recognizing and understanding of its relationship with other effecting and affecting phenomena. Regarding rangeland vegetation as the first chain of nutrition in rangeland's ecosystems, recognition of its homogeneous areas and vegetation type classification ...  Read More