نتایج جستجو برای: iranian model for desertification potential assessment imdpa

تعداد نتایج: 11372214  

Journal: :مرتع و آبخیزداری 0
طیبه مصباح زاده استادیار گروه احیای مناطق خشک و کوهستانی، دانشکدة منابع طبیعی، دانشگاه تهران حسن احمدی استاد دانشگاه آزاد اسلامی، واحد علوم تحقیقات، تهران غلامرضا زهتابیان استاد گروه احیای مناطق خشک و کوهستانی، دانشکدة منابع طبیعی، دانشگاه تهران فریدون سرمدیان استاد گروه مهندسی خاک، دانشکدة مهندسی خاک، دانشگاه تهران فیروزه مقیمی نژاد کارشناس ارشد مرتعداری، دانشکدة منابع طبیعی، دانشگاه تهران

desertification is specific phenomenon of arid, semi-arid, dry sub humid regions. this phenomenon has a high rate in developing countries such as iran. the main objective of this research was calibration of imdpa model in abuzeidabad (kashan) region with emphasis on land criteria. imdpa model, introduced by iranian researchers to assess desertification intensity in iran. before application, the...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

since its introduction in 1959, translation quality assessment (tqa) has been among the most addressed research topics in translation studies. during recent years, there has been a crucial increase on the study of tqa. various methods have come on scene. although these methods are based on scientific theories, most of them have remained at the level of theory. juliane house’s model is among tho...

Extended abstract 1-Introduction Desertification means land degradation in the arid, semi-arid and dry sub-humid regions because of natural or anthropogenic factors. Desertification is accounted as the third most important global challenge after the crisis of water shortage and drought in the 21st century. Desertification is a problem for many countries, especially the developing countries. I...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1389

this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1392

abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

Journal: :مرتع و آبخیزداری 0
افشین جهانشاهی دانشجوی دکتری آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی ساری علیرضا مقدم نیا دانشیار دانشکدة منابع طبیعی دانشگاه تهران حسن خسروی استادیار دانشکدة منابع طبیعی دانشگاه تهران

to assessment and preparation of desertification mapping, much research has been conducted ever within and outside the country that has led to numerous regional models. to provide a regional model and quantitative assessment of current state of desertification, shahrbabak plain with an area of 4112 square kilometers (km2) located in the northwest of kerman province were considered. in this stud...

Risk assessment provides the possibility of planning and management to prevent and reduce the risk of desertification. The present study is aimed to assess the hazard and risk of desertification and to develop management programs in the semi-arid western regions of Golestan Province in Iran. Desertification rate was obtained using the Iranian model of desertification potential assessment. Since...

Journal: :journal of rangeland science 2013
hamid toranjzar moslem poormoridi

several studies have been performed to evaluate the desertification in iran andother countries which led to present national and regional models. one of them is imdpamodel. this model was used as a case study in taraz nahid, saveh, iran. in this study, fivefactors including climate, soil, vegetation, irrigation, and socioeconomic ones wereevaluated. according to the region conditions for each c...

Journal: Desert 2017
M. Ownagh S.A. Arami

About 80 percent of Iran is arid and semi-arid and about 35 percent of this area is susceptible to desertification hazard. Therefore desertification assessment and identification of the most important criteria for the assessment of risk and a basis for development of management plans is essential. This research was conducted in the semi-arid region of Agh-Band in the Golestan province, Iran wit...

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