نتایج جستجو برای: hissar in damghan
تعداد نتایج: 16976299 فیلتر نتایج به سال:
Researchers studying on adaptation and resilience of systems mainly seek to reduce the vulnerability of extremely complex social-ecological systems against potential changes. Since major portion of natural resources of Iran is interrelated with various users and social groups. Present study focused upon the necessity of studying structural characteristics of social capital of rangeland users in...
Basaltic lavas have been reported at the base of the Shemshak Formation in some areas of the Alborz zone. However, detail observations of geological outcrops in different areas in eastern Alborz show that these rocks in most aereas around Shahrood (e.g. Gheshlagh in Khosh Yeilagh area) and Damghan (e.g. Tazare, Talo and Kalate Rodbar) are intrusive as sill, dike and small stocks and in few area...
It is over two decades that groundwater flow models are routinely implemented for better management of groundwater resources.Modeling groundwater flow with the help of the ground water modeling system (GMS) in the Damghan plain aquifer in northern Iran,which experiences declining levels and numerous environmental hazards, has demonstrated that, (a) in the worst case scenario theaquifer will fac...
Ajowan (Carum copticum L.) is one of the native medicinal plants that has many applications in the pharmaceutical industry and traditional medicine. Salicylic acid is a simple phenolic compound that play regulate role in many developmental processes of plants. This study has done to investigate salicylic acid effect on some of the morphological and physiological traits of three C. copticum mass...
relationships between soil factors and vegetation types in playa of damghan was investigated. six vegetationtypes including artemisia.sieberi, arundo. sp, artemisia.sieberi-peganum.harmala, alhagi.cammelerom,artemisia.sieberi-petropyron.sp, tamarix.passerinoides-halocnemum strobilaceum. one bare land was recognized inthe study area and the research was conducted within mentioned types. canopy p...
in order to assess the satellite data for soil investigation, aster digital data 20 june 2006, field study and phisiochemical properties of soil, were analyzed. all landcover classes including soils are classified based onmorphological and physico-chemical characteristics. images were geocorrected and photomorphic units were selected based upon visual interpretation and sampling in study area. ...
Objectives: The increase of life expectancy, in spite of its satisfactory and hopeful impressions, has resulted to some problems and difficulties, in the last years of life, particularly with regard to the health, illness, and costs of services of elderly populations. In literature focused on epidemiologic transition, the change on patterns of disease widely discussed. But there is a lack for a...
Identification of vegetation and study of geographical distribution of plants in each region is the basis of ecological studies and researches in that area. The purpose of this study was to introduce the flora, life form and geographical distribution of plants in the desert area in the southern of Damghan desert. At first, plant species of this region were collected and identified using availab...
Aeolian process and subsequently soil erosion are key factors in dryland environments. Such phenomena are related not only to geoecological factors (lithology, topography, and climatology) but also to land-use and plant cover changes. Formation of new sand dunes in Damghan explains the development of human activities over the past. The aim of this study is to explain the land use changes and th...
Background & objectives: Increasing the rate of cesarean in recent decades is a noticeable sign which has been interested to look at some possible medical, psychological and social determinants. The aim of this study was to determine trend of cesarean during 1998-2007 and evaluation of some social factors in Damghan, Iran. Methods: We used a case-control study by direct interview with mother...
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