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 ()
Application of Growth Degree-Days in determining phenological stages of four grass species in Homand Absard Research Station

Taghi Mir haji; Abbas ali Sanadgol; Mohammad hasan Ghasemi; Soheila Nori

Volume 17, Issue 3 , October 2010, , Pages 362-376

Abstract
  Phenology of four range species including Elymus transhircanus, Elytrigia libanotica Stipa bromoides and Stipa capillata were studied in Homand Absard Research Station, 70 km far from east Tehran, for five years (2003-2007). 20 plants were selected for each species and four important phenological stages ...  Read More

Estimate of Iran-Turanian zone rangelands degradation rate by measuring and suggestion Index

Naser Ansari; Mohammad Fayaz; Mohammad hassan Gasemi

Volume 16, Issue 3 , December 2009, , Pages 293-304

Abstract
  Rangelands degradation is the most important problem of Iran natural resources, especially in these decade .In this research for determination of the quality and quantity of rangelands degradation,9 provinces distributed within 3 main zones of Henry Pabbot’s climatic zones map of Iran territory, ...  Read More

Determination of socio-economic factors on natural resources degradation of Iran

Naser Ansariri; Jafar Seyed Akhlaghi Shal; Mohammad hasan Ghasemi

Volume 15, Issue 4 , January 2009, , Pages 508-524

Abstract
  The most important problem of natural resources of Iran in recent   decades is natural resources degradation.  This research was based on documental research method, field research method and desk research method, by using 3 questionnaires for villages, tribe settlements and stockholders. ...  Read More