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)
Quantitative analysis of vegetation feedback on the occurrence of dust in arid ecosystems (Case study: Isfahan province)

tayebeh sohrabi; Abbas Ali Vali; Abolfazl Ranjbar Fordoei; sayed Hojat Mousavi

Volume 71, Issue 4 , March 2019, , Pages 973-985


  Dust event is one of the secondary complications of ecosystem in arid and semi-arid areas. This phenomenon results from system feedback against multiple factors of pressure and destruction. One of the most important foundations of ecosystems is vegetation. Because the vegetation factor reflects many ...  Read More

Assessment of Problems rangeland permanent management in watershed land from exploitations view point (Case study: Damavand Summer Rangeland in Amol County )

Hamid Reza Saeidi Goraghani; Ghodrat alah Heydari; Hossein Barani; Zakaria Alavi

Volume 66, Issue 2 , July 2013, , Pages 277-286


  This study is trying to exploitations view point and permanent management problems of rangeland to evaluate in ranches Damavand Summer Rangeland in Amol County. Statistical Society are utilizations 15 ranch that with three methods, collective property, private property and council property from rangeland ...  Read More