نتایج جستجو برای: urmia basin

تعداد نتایج: 59298  

Journal: :اکو هیدرولوژی 0
مسعود گودرزی استادیار، پژوهشکدۀ حفاظت خاک و آبخیزداری، تهران برومند صلاحی دانشیار، دانشکدۀ علوم انسانی، دانشگاه محقق اردبیلی، اردبیل سید اسعد حسینی دانشجوی دکتری، دانشکدۀ علوم انسانی، دانشگاه محقق اردبیلی، اردبیل

climate change is one of the most important problems in the present century. so assessing and prediction of future changes is important on water resources and so important for economics and socio-economic consequences. the purpose of this research is assessing the effects of climate change on surface runoff volumes under the scenarios: a1b, a2 and b1 using hadcm3 general circulation model and i...

Journal: :تحقیقات آب و خاک ایران 0
فرشاد فتحیان دانشگاه تربیت مدرس سعید مرید دانشگاه تربیت مدرس

global warming has brought about changes in meteorological variable time series. these changes, accompanied with serious human intervention in nature, has resulted in hydrological changes. so the effects can be tracked down by the trend of the time series. the purpose of this study is to analyze and compare the monthly and annual trends of temperature, precipitation as well as stream flow time ...

Journal: :iranian journal of ichthyology 0
alireza radkhah department of fisheries, faculty of natural resources, university of tehran, karaj, iran. soheil eagderi department of fisheries, faculty of natural resources, university of tehran, karaj, iran.

this research was conducted to study the length-weight and length-length relationships and condition factor of six cyprinid fish species viz. alburnus atropatena , barbus lacerta , capoeta capoeta , carrasius gibelio , romanogobio macropterus and pseudorasbora parva from zarrineh river (urmia lake basin, iran). a total of 188 specimens ranging from 2.9 to 21.4cm in total length and 0.22 to 176g...

Journal: :تحقیقات اقتصادی 0
غلامعلی شرزه ای دانشیار دانشکده ی اقتصاد دانشگاه تهران وحید ماجد استادیار دانشکده ی اقتصاد دانشگاه علوم اقتصادی

development projects in natural water resources like rivers and lakes, specially transferring water to use in agriculture, domestic and industrial sector without considering environmental values, causes irrecoverable and irreversible damage to ecosystem and future options. if we consider the future generation and species rights, those damages and costs can be very much than we take in. the abov...

Journal: :Habitat 2022

Persian gardens are valuable historical and cultural human-built landscapes however, deteriorating gradually. Thus, comprehensive studies would be helpful in obtaining deeper insights into different aspects meaning of gardens. The descriptive-analytical approach was used to review the EmaratBirooni garden Urmia (Campus University) as it is only remnant Qajar period demonstrating a clear image p...

This study was conducted to compare the morphometric and meristic characters and biological parameters including length-weight relationship parameters and condition factor comparison of Urmia bleak (Alburnus atropatenae) from Mahabad-Chaie, Ghale-Chaie and Gedar-Chaie rivers of Lake Urmia basin.  A total of 20 morphometric and 7 meristic traits were measured. Morphometric data was standardized ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم پایه 1393

چکیده شیل های ارغوانی به عنوان یک عضو رسمی در قاعده سازند پابده در نقاط متعددی از زاگرس رخنمون دارند. به منظور بررسی چینه¬شناسی و محیط رسوبی شیل¬های ارغوانی در بخش شمالی حوضه زاگرس، 4 برش در استان ایلام در مناطق پاریاب، ملکشاهی، بیشه¬دراز و دره شهر به همراه برش الگوی سازند پابده واقع در تاقدیس گورپی در شرق استان خوزستان برداشت و مورد مطالعه قرار گرفت. در مجموع از این برش¬ها 507 اسلاید پالینول...

2014
Bahram Nabilou Davoud Khorasani-Zavareh

BACKGROUND Studies in higher education indicated that students' expectation for their educational services are not provided sufficiently, particularly in developing countries that implies on gap between the students perception on current situation and their expectations from educational services. OBJECTIVES The aim of this study was to determine the gap between student perception and expectat...

2018
Razzagh Mahmoudi Bahareh Rahimi Parviz Hassanzadeh Peyman Ghajarbeygi Babak Pakbin

Background The topic of food safety has become a major public health issue worldwide. Over recent decades, the growing concern for food safety has brought about greater research regarding the risks associated with the consumption of produce that has been contaminated by pesticides, heavy metals and/or toxins. Objective The study was conducted to determine the concentration of Pb in the muscle...

Journal: :Journal of research in health sciences 2011
Mahdi Reyahi Khoram Mino Nafea Hossein Mahjub Marzieh Hashemy Maesumeh Parchian

BACKGROUND Self care of diabetes is essential for control of disease and improvement of quality of patients' life. The aim of this study was to assess factors influencing self-care practice of patients in urban area of Urmia, Northwest of Iran. METHODS In this cross-sectional study, 400 diabetic patients were randomly selected from eight healthcare centers in Urmia City in 2010. Data collecti...

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