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 ()
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

Seed age effects on Germination of some Sagebrush (Artemisia) species

Hamid reza Naseri; Hosein Azarnivand; Mahdi Ghorbani; Zahra Mehrabanfar

Volume 15, Issue 1 , January 2008, , Pages 59-68

Abstract
  This research was done in order to investigate the seed age effects (longevity) on germination of some sagebrush of species. East Azerbaijan was chosen as the collection sites and seeds of four species such as Artemisia fragrans, A. spicigera, A. campestris and A. vulgaris were collected from these sites. ...  Read More