Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Optimization of sample unit’s shape and size to enhancing precision and accuracy of density estimation of Astragalus verus in Mayan rangeland, Mashhad

zahra zangane; Kamalaldin Naseri; Fereydoon Mellati; Mansoor Mesdaghi

Volume 68, Issue 1 , June 2015, , Pages 81-94


  Because plant density is often measured by using plots and also in most cases are done by the method of estimation and counting the individuals, so one of the important cases that we have to decide on is the size and shape of plot. In this research, the density of Astragalus verus that it's one of the ...  Read More

Investigation on relation between rangelands production with effective climatic parameters and drought indices in Noudushan, Iran

samaneh Mohammadi Moghaddam; Abolfazl Mosaedi; Mohammad Jankju; Mansour Mesdaghi

Volume 68, Issue 1 , June 2015, , Pages 131-148


    Although precipitation is the most important factor which effects rangeland production, but there is little information on the relationship between production and the interactions of climatic factors and specially drought indices. .In this research, the relation between production and climatic ...  Read More

Effects of Shrubs on Preserving Understory Plants against the Livestock Grazing

Tahereh Sadeghi Shahrakht; Mohammad Jankju; Mansour Mesdaghi

Volume 67, Issue 1 , May 2014, , Pages 73-82


  Rangeland shrubs may provide mechanical facilitation on their understory plants, by protecting themagainst the livestock grazing. However, such a facilitation effect may vary depending on the rangelandutilization rate. In a field research, mechanical facilitation of rangeland shrubs was compared in ahighly ...  Read More

Effect of Camphorosma monspeliaca on soil elements in Chaharmahal and Bakhtiari province

H. Khedri Gharibvand; Gh. A. Dianati Tilaki; M. Mesdaghi; M. Sardari

Volume 62, Issue 1 , June 2009

  The aim of this research was to determine the effects of Camphorosma monspeliaca species on soil nutrient elements in its habitat. For rangeland, ecological positive or negative effects of plant species on environment must carefully be examined before allowing their plantation in vast areas; on the other ...  Read More