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 ()
The effects of climate variability on canopy cover percentage of forage species in Ghosheh steppe Rangelands, Semnan Province

Nahid Azizi; Hamed Joneidi; Khaled Osati

Volume 26, Issue 3 , September 2019, , Pages 717-730

Abstract
      This research monitored changes in canopy cover percentage of typical species during a 10-year period in the Ghosheh rangelands to find out the relationship between two important climate variables (precipitation and temperature) and canopy cover changes. Therefore, the canopy cover ...  Read More

Assessment of species richness in Salok National Park, (North Khorasan)

Ali Taya; Hamid reza Naseri; Jamshid Ghorbani; Maryam Shokri

Volume 16, Issue 4 , January 2010, , Pages 456-467

Abstract
  Species richness and biological diversity have been declined throughout the world as a result of human activities. Protected areas are an attempt to conserve the remaining species. Measuring species richness is important for understanding resource condition but heterogeneity in plant distribution make ...  Read More