نتایج جستجو برای: while current desertification condition includes low (ii)

تعداد نتایج: 3510137  

Journal: :مرتع و آبخیزداری 0
سید محمود حسینی 2 کارشناس ارشد بیابان زدایی و عضو باشگاه پژوهشگران جوان دانشگاه آزاد اسلامی واحد ارسنجان، ایران محمدرضا اختصاصی دانشیار دانشکده منابع طبیعی و کویرشتاسی دانشگاه یزد، ایران علیرضا شهریاری دانشیار دانشکده منابع طبیعی دانشگاه زابل، ایران حامد شفیعی دانش آموخته کارشناسی ارشد بیابان زدایی، دانشکده منابع طبیعی، دانشگاه زابل، ایران

sistan plain is affected by desertification and this phenomenon has serious impacts on roads and socio- economic activities of local people of this region. the main purpose of this study is estimating the current and potential desertification intensity of niatak region of sistan based on micd method. that, through it the working units of this region were prepared as the base map for evaluating ...

Journal: :desert 2005
h. ahmadi e. abrisham m. r. ekhtesasi m. jafari a. golkarian

there are different models for mapping and evaluation of desertification condition, such as global fao_unep model. there are also several models for evaluation of desertification in iran. in this study, tow fol/owing methods was used: 1-icd method, (iranian classification of desertification). 2- micd method, (modified iranian classification of desertification). in this research, at first, these...

Journal: Desert 2005
A. Golkarian E. Abrisham H. Ahmadi M. Ekhtesasi M. Jafari

There are different models for mapping and evaluation of desertification condition, such as global FAO_UNEP model. There are also several models for evaluation of desertification in Iran. In this study, tow fol/owing methods was used: 1-ICD method, (Iranian Classification of Desertification). 2- MICD method, (Modified Iranian Classification of Desertification). In this research, at first, these...

Desertification is the result of a series of important processes. Among them, climate change and human activity are the most important. Arid and semi-arid regions cover a vast area of Iran (85%). The hazard assessment of desertification and preparation of desertification intensity maps are key tools for management of desert regions. This research assessed the efficiency of the MICD model for ha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

building on previous studies on the effectiveness of different types of written corrective feedback, the present study aimed at investigating whether direct focused corrective feedback and direct unfocused corrective feedback produced any differential effects on the accurate use of english articles by efl learners across two different proficiency levels (low and high). in current study, the par...

Journal: :Eos, Transactions American Geophysical Union 2001

Nowadays, desertification is one of the ecological crises of the world. To control Desertification, having a clear understanding of its factors and processes is necessary. KALMAND Protected Area region of Yazd with area of 71269.37 Hectares’ was considered to evaluate current Condition of desertification using ICD. Iranian Classification of Desertification (ICD) was presented by M. Ekhtes...

Addressing desertification, due to its multi-criteria nature, increasing development, extensive and long-term impacts on natural resources and human populations, is necessary to achieve sustainable development. Therefore, for optimal utilization of facilities and limited funds allocated to this issue, evaluation of current strategies, based on different criteria is essential to avoid wasting na...

Urbanization lead a wide variety of difficulties that changes in the pattern of land use is the major consequence. One of the outcome of land use changes is ecological and biological capacity reduction or desertification. In this study, for determine of desertification due to urban development within the city of Mashhad, was used Iranian mothod (IMDPA). The land use map of this area was prepare...

Journal: :مرتع و آبخیزداری 0
الهام السادات شکوهی دانش آموخته کارشناس ارشد مدیریت مناطق بیابانی، دانشکده منابع طبیعی، دانشگاه تهران، ایران. غلامرضا زهتابیان استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران. علی طویلی دانشیار دانشکده منابع طبیعی، دانشگاه تهران، ایران.

more than 80% of iran’s area has arid and semi arid climate. therefore, iran is exposed to desertification process. practical activities in controlling desertification must be based on current desertification situation and its severity. based on this theory, evaluating desertification rate indices in khezrabad region was done based on imdpa model. in this research two factors with 10 indices we...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید