Volume 77 (2024)
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 62 (2009)
Comparing Soil Physicochemical Characteristics in Different Land Uses Gachsaran and Aghajari Formations

H. Saidian; H. R. Moradi; F. Tarnian

Volume 63, Issue 1 , June 2010, Pages 1-12

  Using of different systems of soil plough after changing unconsciously and non-scientific of land use, other soil physical and chemical characteristics affected. This fact, especially in marginal lands and mountainous regions is more visible. This research compared with the purpose of studying land use ...  Read More

Assessing Relative Importance of Erosion Types in Sediment Yield (Case study: Ghara-aghaj Watershed, Makoo)

Sh Hakimkhani

Volume 63, Issue 1 , June 2010, Pages 13-27

  By determining relative importance and contributions of erosion types to sediment yield, erosion susceptible areas in a watershed will be identified, and sediment control and soil conservation projects can be focused on that areas. Because of many problems associated with traditional procedures for identifying ...  Read More

The Effect of Different Salicylic Acid Concentrations on Improved Germination Characteristics of Sanguisorba minor L. Under Salt and Drought Stress

Salman Zare; ali Tavili; ali Shahbazi; akbar Riyahi

Volume 63, Issue 1 , June 2010, Pages 29-40

  The objective of this research was to evaluate the effect of different concentration of salicylic acid on enhancement germination characteristics of Sanguisorba minor L. under salt and drought stress. The experimental design was factorial arranged in a completely randomized block design with four replications. ...  Read More

A Study on the Topographic Threshold and Effective Factors on Sediment Production and Gully Development in Neyriz,Fars Province

S.M Soleimanpour; majid Soufi; hassan Ahmadi

Volume 63, Issue 1 , June 2010, Pages 41-52

  Gully erosion has an important role in Fars province due to sediment production and enormous damages to land, roads and infrastructures. In this research, 15 gullies were selected to measure their morphometric characteristics. The length, depth, top and bottom width and volume of gully erosion were then ...  Read More

Spring Rainfall Estimation of Khorasan Razavi Province Based on Tele-connection Synoptically Patterns Using Adaptive Neuro-Fuzzy Inference System

Gh.A Fallah Ghalhary; M Habibi Nokhandan; J Khoashhal

Volume 63, Issue 1 , June 2010, Pages 55-74

  The aim of this research is the assessment of the relation between rainfall and large scale synoptically patterns at Khorasan Razavi province. In this study, using adaptive neuro fuzzy inference system, the rainfall estimation has been done from April to June in the Area under study. Spring rainfall ...  Read More

An Investigation of the Population Changes on Relationship with Landuse Changes (Case study: Upland watershed of Taleghan)

M Ghorbani; A.A Mehrabi; M Servati; A.A Nazari Samani

Volume 63, Issue 1 , June 2010, Pages 75-88

  Nowadays, population growth and on the other hand resources limitations astonish authorities. Population changes cause variation in economic activities and land use changes. As a whole, overusing, improper land use and human disturbances over natural resources make environmental imbalances worse. In ...  Read More

Effect of Soil Properties on Runoff and Soil Erosion in Forest Lands

A Kavian; ALI Azmodeh; K Soleimani; GH Vahabzadeh

Volume 63, Issue 1 , June 2010, Pages 89-114

  Globally, soil erosion is one of the most important environmental problems which is threaten soil and water resources. Soil properties are main parameters to affect runoff and soil erosion processes. So, this study was conducted to investigate the effects of some soil properties on runoff and soil erosion ...  Read More

Determination of Optimal Ranch Size Based on Economic Efficiency and Social Sustainability(Case study: Rangelands of Urmiya)

hassan Miladfar; hossen Barani; ramtin Julaie; parviz Riyazifar

Volume 63, Issue 1 , June 2010, Pages 105-14

  The establishment of rational balance between number of users and productivity capacity of rangelands and suitable number of the folk in the ranch units is one of the necessities of the sustainable management of rangelands. Also growth and efficiency of the productive factor would lead to the economical ...  Read More

An Investigation on Relationships between Soil Physiochemical Attributes and Vegetation Cover for DeterminingIndex Species in Savoj-bolagh Region

mohsen Naghiloo; mohamad Jafari; mohamad Tahmoures; asghar Kohandel; farinaz Hamedanian

Volume 63, Issue 1 , June 2010, Pages 119-11

  The purpose of this research was to investigate the relationship between vegetation cover and soil characteristics in order to determine the most important soil factors which affect on quantitative variations and types of vegetation cover in the study area. The study area is located in west of Tehran ...  Read More