نتایج جستجو برای: the population growth

تعداد نتایج: 16303255  

2012
Iñaki Permanyer

This paper uses two classes of multidimensional indices to measure countries’ evolution towards the achievement of United Nations’ Millennium Development Goals (MDGs). Our results suggest that improvements in the different MDGs tend to be uncorrelated among them and, on average, countries are largely offtrack in their way towards MDGs achievement. This evolution has been highly uneven across co...

Journal: :جغرافیا و توسعه فضای شهری 0
براتعلی خاکپور محسن رستگار رضا ویسی راضیه السادات میرجعفری سجاد احمدی

extended abstract 1. introduction after industrial revolution, complex economic and technical developments led to wide changes in the size of cities, the proportion of the population in urban areas, and the growth rate of urbanization (johnson, 1998). more than half of the world population currently lives in urban areas and the uncontrolled expansion of cities is becoming a global concern. it i...

Journal: :مرتع و آبخیزداری 0
مهدی قربانی دانشجوی دکتری مرتعداری، دانشکده منابع طبیعی، دانشگاه تهران، ایران علی اکبر مهرابی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران محمدرضا ثروتی دانشیار دانشگاه شهید بهشتی، ایران علی اکبر نظری سامانی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران

nowadays, population growth and on the other hand resources limitations astonish authorities. population changes cause variation in economic activities and land use changes. as a whole, overusing, improper land use and human disturbances over natural resources make environmental imbalances worse. in recent decades, we have seen land use changes in taleghan basin. land use changes were produced ...

ژورنال: علوم آب و خاک 2009
اخوان, علیرضا, بهار, مسعود, سعیدی, قدرت اله, لک, محمدرضا,

To understand the role of relative humidity rate, host genotype, inoculation method and growth stage in epidemiology of bean common blight, two greenhouse experiments were carried out monitoring epiphytic population size of Xanthomonas axonopodis pv. phaseoli (Xap) and disease severity. The result showed significant differences among genotypes, inoculation methods and growth stages for epiphyti...

Journal: :تحقیقات اقتصادی 0
حمید ابریشمی دانشکده اقتصاد دانشگاه تهران محسن مهرآرا دانشکده‎ی اقتصاد دانشگاه تهران محمدرضا ایران نژاد

during recent years, a debate has been taking place on the relationship between economic growth and trade policies. the present article explores the impact of trade liberalization on economic growth in islamic countries. we chose a sample of 26 islamic countries and using the gmm method, estimated the correlation between trade liberalization and economic growth for the period 1990-2003. the emp...

Journal: :international journal of epidemiologic research 2015
zahra taheri zohre taheri neda taheri sarteshnizi mahin ghafari masoud amiri

background and aims: nowadays, the age structure of iran is transitioning from youth to elderly. although, the elderly population are still accounted for a small portion of the population; however, the population growth rate of this age group is growing compared to the growth of the total population. therefore, understanding of the changes of this population is necessary. this study aimed to id...

2013
Johannes Scholz Michael Andorfer Manfred Mittlböck

The article elaborates on the spatial disaggregation approach of the 1km population density grid created by the European Forum for Geostatistics in a defined study area where accurate population reference data are available. The paper presents an approach to disaggregate the population grid to target resolution of 100m and 500m respectively and describes the evaluation methodology. The resultin...

Journal: :مرتع و آبخیزداری 0
سعیده حیدری کارشناس ارشد مرتع داری دانشگاه تهران علی اکبر مهرابی استاد گروه دانشکدة کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات محسن محسنی ساروی استاد گروه احیای مناطق خشک و کوهستانی، دانشگاه تهران سکینه ساعدی اوجقاز کارشناس ارشد مرتع داری دانشگاه تهران

the concept of land use transition highlights that land use change is non-linear and is associated with other societal and biophysical system changes. changes in human systems has resulted in changes in the natural system such as changes in land use. land use change causes not only environmental factors like geography and topography are important, but social factors examined such as population ...

A. Esmailizadeh, E. Nasirifar H. Moradian M. Talebi N. Askari S.S. Sohrabi

Growth hormone gene plays a critical role in regulating growth and metabolism which leads to potential correlations between the polymorphisms of this gene and economic trait. A 776 bp fragment within the intron 1 region of the growth hormone gene from 346 individuals of an F2 population of Japanese quail was amplified. The polymerase chain reaction (PCR) product was digested using MspI restrict...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده ادبیات و علوم انسانی 1380

چکیده اساسی ترین منبع استراتژیک هر سازمان یا جامعه،منابع انسانی می باشد.جوامع موفق،جوامعی هستند که بتوانند منابع انسانی خود را به طور صحیح پرورش و توسعه دهند. در اقتصاد امروز، دانش به عنوان مهمترین سرمایه، جایگزین سرمایه مالی و فیزیکی شده است . دانش و اطلاعات به رشد اقتصادی کمک می کند.این امر موجب افزایش اهمیّت سرمایه فکری به عنوان مقوله ای پژوهشی شده است. مدیریت منابع انسانی یعنی مدیریت و ادار...

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