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)
Effect of topographic threshold conditions for gully head development in different use (Case study: Boushehr province)

Gholm Reaza Rahi; A Kaviyan; K Soleimani; H Pourghasemi

Volume 74, Issue 1 , June 2021, , Pages 69-81


  Creating a gully is a reaction to the geomorphologic conditions, this type of erosion extends over a wide range of environments, and the threshold of topography is related to the slope and drainage level and Controls the position and expansion of gullies in different uses. The slop-area equation as a ...  Read More

An investigation of environment factors’ impact on life form of plants (Case study: Javaherdeh rangelands of Ramsar)

D. Askarizadeh; Gh. A. Heshmati

Volume 65, Issue 4 , March 2013, , Pages 529-540


  Abiotic factors, as topographic and physicochemical properties of soil, are the most important effective factor on vegetation in rangeland ecosystems which have the most important performances to forming and succession of plant vegetation. Ecologic management of rangelands can be desired by better understanding ...  Read More