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)
Study of the effect of environmental factors on vegetation diversity in Eshtehard rangelands

khadije naghizadeh; mohammad jafari; hosein azarnivand; mohamad ali zare chahiiki; Hamidreza Abasi

Volume 70, Issue 1 , June 2017, , Pages 257-262


  The effect of environmental factors on vegetation diversity in Eshtehard rangeland was studied in present study. Sampling was done using Minimal Area method. To measure the plant properties in each type, regarding the extent of each type, three 500 meter transects with 50 meter intervals between transects ...  Read More

Suitable Species Diversity Abundance Model in Three Grazing Intensities in Dizaj Batchi Rangelands of West Azerbaijan

Javad Motamedi; Esmaeil Sheidai Karkaj

Volume 67, Issue 1 , May 2014, , Pages 103-115


  Species diversity is one of the important characteristics shows rangeland ecosystems changes, which isalready under effects of management practices. Thus, this research was conducted to study speciesdiversity variation and assess suitable distributive abundance model in three rangeland sites in WestAzerbaijan. ...  Read More

Distributions of Species Diversity Abundance Models and Relationship between Ecological Factors with Hill ( ) Species Diversity Index in 4 Range Sites of Isfahan Province

E Ghehsareh Ardestani; M Bassiri; M Tarkesh; M Borhani

Volume 63, Issue 3 , December 2010, , Pages 387-397

  Our planet is threatened by nuclear wars, climate change and degradation of biodiversity. The first two dangers are relatively focused on, but biodiversity degradation is not properly considered yet. Species diversity is mostly composed of biodiversity and is considered an index of changes in ecosystems. ...  Read More