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)
Issue 3 December 2010, Pages 277-399
Issue 2 September 2010, Pages 131-267
Issue 1 June 2010, Pages 1-130
Volume 62 (2009)
Nutritive Value of Zandi Sheep Diets (Halophyte Plants) Grazing in Abbasabad Desert Rangelands of Qom

A Ahmadi; A Sanadgol

Volume 63, Issue 3 , December 2010, Pages 277-287

  Desert and marginal lands of playas which are covered with halophyte shrubs, play a great role in supply of forage for livestock as winter rangelands. In this research, plant samples were collected from four palatable halophyte species for Zandi sheep of Qom desert rangelands including Seidlitzia rosmarinus، ...  Read More

Study of Water Ownership System Evolution Trend, Irrigation Cycle and Costs of Well in Charkhab Village, Yazd Province

I Islami; A.A Mehrabi; GH.R Zehtabian; M.R Ekhtesasi; M.A Zare Chahooki

Volume 63, Issue 3 , December 2010, Pages 287-305

  Yazd province because of cultural and historical background of the distant past always had known as ambitious and hard-working people. Manifesting multiple efforts of these people is seen in water harvesting. In Yazd province, background issues such as evaluation and assessment of water, ownership and ...  Read More

Investigation of Litter Quality and Aerial Organs and Their Effect on Soil Characteristics of Four Rangeland Species(Case Study: Hamand Absard)

M Jafari; H Azarnivand; A Hajibaglo; E Alizadeh

Volume 63, Issue 3 , December 2010, Pages 307-318

  This study investigates the relationship between litter quality and aerial parts of plant on C, N, K, P and C/N ratio of soil in four rangeland species including Agropyron intermedium, Bromus tomentellus, Eurotia ceratoides and kochia prostrata. After recognizing the sites of these species in Hamand ...  Read More

Assessment of Structural Characteristics of Fertilized Patch in Rangeland Ecosystems (Case Study: Ghareh Ghir and Maraveh Tapeh Rangelands of Golestan Province)

GH.A Heshmati; M S. Azimi; P Ashouri

Volume 63, Issue 3 , December 2010, Pages 319-329

  Rangeland ecosystem contains various patches with different functions. Structural and functional characteristics of rangeland patches are changed by management practices and can be used to interpret management effects. The structural and functional characteristics of fertilized patches in two rangeland ...  Read More

Effects of Topographic and Edaphic Characteristics on Distribution of Plant Species in Eshtehard Rangelands

M.A Zare Chahouki; A Zare Chahouki; M Zare Ernani

Volume 63, Issue 3 , December 2010, Pages 331-340

  The objective of this research was to study the relationships between edaphic and topographic factors with distribution of plant species. For this purpose, current study was conducted in Eshtehard rangelands of Tehran province. The sampling method was randomized–systematic and in each sampling unit, ...  Read More

Study of the Relation between Landuse and Slope with Sediment Yield in the Southern Watersheds of Mahabad River

D Talebpoor Asl; S Khezry

Volume 63, Issue 3 , December 2010, Pages 341-358

  The Mahabad River Watershed has been exposed to severe erosion as a result of landuse change. The aim of this study is to quantify the amount of sediment yield and the relationship between land use change and slope. Different sources such as geologic and topographic maps, satellite images, hydrometric ...  Read More

Designing of Rainwater Collecting Systems in Micro Catchment by Using AWBM Model for Cultivating of Forage Maize SC704.

R Tahmaseb; F . Sharifi; F Kaveh; A Tavassoli

Volume 63, Issue 3 , December 2010, Pages 359-373

  One of the major sectors of water loss is the loss of rain runoff. Kirkby (2001) the Effect of soil surface characteristics in the production of runoff in time and space scales concluded that soil properties such as undulating, soil texture and structure on the amount and spatial pattern of runoff are ...  Read More

Assessment of Watershed Management Activities on Time of Concentration and Curve Number using HEC-HMS Model (Case Study: Kan Watershed, Tehran)

M Abbasi; M Mohseni Saravi; M.M Kheirkhah; Sh Khalighi Sigaroudi; Gh Rostamizad; M Hosseini

Volume 63, Issue 3 , December 2010, Pages 375-385

  Assessment of watershed management activities is one of the main subjects for future planning of practical projects and natural resources management. Due to the lack of any tool for assessment of watershed processes in many cases, distributed hydrological models can be useful. The purpose of this study ...  Read More

Distributions of Species Diversity Abundance Models and Relationship between Ecological Factors with Hill ( ) Species Diversity Index in 4 Range Sites of Isfahan Province

E Ghehsareh Ardestani; M Bassiri; M Tarkesh; M Borhani

Volume 63, Issue 3 , December 2010, Pages 387-397

  Our planet is threatened by nuclear wars, climate change and degradation of biodiversity. The first two dangers are relatively focused on, but biodiversity degradation is not properly considered yet. Species diversity is mostly composed of biodiversity and is considered an index of changes in ecosystems. ...  Read More

Assessment of Wind Erosion Intensity by IRIFR. E.A Model (Case Study: Abuzeidabad, Kashan)

T Mesbahzadeh; H Ahmadi; Gh Zehtabian; F Sarmadian

Volume 63, Issue 3 , December 2010, Pages 399-415

  Investigation and preparing of wind erosion intensity maps are the main objectives of this research. In this research, the working unit map was prepared and then nine effective factors in wind erosion according to IRIFR.E.A model are determined at each of seven homogeneous units. According to the results, ...  Read More