نتایج جستجو برای: unequal distribution of land use

تعداد نتایج: 21262104  

Quantitative study of species diversity across different land use units and districts is important to document status of local plant biodiversity, to evaluate impact of management and for planning future management. This study aimed at determining impacts of land use units on species diversity and spatial distribution of species in two districts of Borana zone, Oromia, Ethiopia. Stratification ...

Journal: :محیط شناسی 0
حمیدرضا کامیاب کارشناسی ارشد مهندسی منابع طبیعی- محیط زیست دانشگاه تربیت مدرس تهران عبدالرسول سلمان ماهینی دانشیار گروه محیط زیست دانشگاه علوم کشاورزی و منابع طبیعی گرگان سید محسن حسینی دانشیار گروه جنگلداری دانشگاه تربیت مدرس تهران مهدی غلامعلی فرد دانشجوی دورة دکتری آلودگی دریا دانشگاه تربیت مدرس تهران

the logistic regression (lr) method, as an empirical estimation method, was used to model urban growth in gorgan city between the years 1987-2001. three groups of variables including social-economic, land use and biophysical variables were used. similarity among variables is probable. to remove the correlated variables, covariance was calculated and distance to administrative, sporting centers ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1391

one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
محمد تقی رضویان دانشیار دانشگاه شهید بهشتی تهران حبیب بیرامزاده کارشناس ارشد برنامه ریزی شهری، دانشگاه شهید بهشتی تهران

abstract rapid urbanization and concentration of population in urban areas is one of the main characteristics of today’s world. in developing countries lack of necessary infrastructures, disproportionate growth, insufficient planning skills and mismanagement have caused great disparities in the distribution of urban land uses. this brings insecurity among inhabitants and inhibits sustainable de...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1394

cohesion is an indispensable linguistic feature in discourse analysis. lexicald such a differe cohesion and conjunction in particular as two crucial elements to textual cohesion and comprehension has been the focus of a wide range of studies up to now. yet the relationship between the open register and cohesive devices has not been thoroughly investigated in discourse studies. this study concen...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this thesis attempts to study the representations of the third-world intellectuals in three fictional works by the british-educated trinidadian nobel-winner v. s. naipaul: the mimic men, a bend in the river, and magic seeds. the first one recounts the story of ralph singh’s sense of alienation, his experiences as a colonial politician, and his struggle to give order to his disorderly world thro...

Journal: :محیط شناسی 0
مهرنوش بختیاری فر کارشناس ارشد gis دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیر الدین طوسی محمد سعدی مسگری استادیار گروه مهندسی gis، دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی محمد کریمی دانشجوی دکترای gis، دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی ابوالقاسم چهرقانی کارشناس ارشد gis دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیر الدین طوسی

in recent decades, as a result of population growth, industrial developments, scarcity of sources, etc. more attention has been paid to spatial planning. spatial planning needs the consideration of different goals, scenarios, criterions and constraints, which leads us to the usage of spatial multi-criteria decision analysis (mcda) methods. the mail goal of this research is to develop a novel mo...

Journal: :محیط شناسی 0
زینب یگانه کیا کارشناسی ارشد برنامه ریزی محیط زیست، دانشکدة محیط زیست، دانشگاه تهران شهرزاد فریادی استادیار برنامه ریزی محیط زیست دانشکدة محیط زیست، دانشگاه تهران احمدرضا یاوری دانشیار برنامه ریزی محیط زیست دانشکدة محیط زیست، دانشگاه تهران

the aim of this research is to analyze the environmental principals which are used for land use planning of iranian communities in order to determine whether they are sufficient and efficient for conserving and improving the quality of urban environments or not. first, the environmental principals were extracted from municipal local plans (community plans) of the spatial planning systems of ira...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده علوم 1391

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...

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