نتایج جستجو برای: declining in per capital food production and emergingfood crisis
تعداد نتایج: 21846968 فیلتر نتایج به سال:
Agricultural production is not keeping up with the world demand for food because the human population is increasing faster than agriculture’s food production capability (Pimentel et al., 1999). Uneven distribution of food, the inability of the poor to purchase food, and political unrest also threaten world food security for human society. Currently, more than 3 billion humans worldwide are maln...
The international prices of many agricultural commodities have increased significantly over the past two years. After falling sharply during the global financial crisis, the IMF Food Price Index has increased by 50 per cent since the end of 2008 and is now above its earlier peak in mid 2008. Supply disruptions have been an important factor behind the recent rise in the relative price of food, w...
The Rebound effect refers to the reactions that occur to the advancement of technology and the increase of energy efficiency, and these reactions prevent the achievement of the desired goal completely. In this study, in order to investigate the effect of energy return on the value added of Iranchr(chr(chr('39')39chr('39'))39chr(chr('39')39chr('39')))s industrial sector, first by estimating the ...
In this study, security and safety in rural parts of Sweden is investigated. New ways of organizing for efficient response can be found in the extended collaboration between societal sectors and in utilizing the local social capital. New categories of first responders and their requirements are identified and we propose non-technical and technical solutions as support. The results’ application ...
چکیده زبان به عنوان یک وسیله در ایجاد و بازسازی سرمایه اجتماعی در چند دهه گذشته مورد توجه بوده است. اگر چه درباره سرمایه اجتماعی و سازه های مربوط به آن زیاد نوشته شده است ولی خیلی کم بر روی اینکه چطور زبان می تواند باعث ایجاد اعتماد یا بی اعتمادی بشود مطالعه ای انجام شده است. این مطالعه به منظور تحقق دو هدف انجام گرفته است. اول تلاش خواهد شد تا یک گونه شناسی از واژگانی که مردم کرد زبان شهر ا...
The agricultural sector of African economies has faced considerable challenges within the past 50 years or so. Although agricultural production on the continent rose by an annual average of 2% between 1965 and 1980 and has continued to increase by 1.8% annually since then, population growth of 2.9% per year has resulted in a per capita decline in agricultural production. From self-sufficiency i...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
Background and Objective: Food-borne diseases are among the most important public health problems. Among them, Salmonella is one of the most important food pathogens. Different Salmonella serotypes enter body through food and causes food infections in consumers. One of the most important evaluation criteria for health is to determine the microbial load of food. Materials and Methods: In this s...
This paper aims to analyze factors affecting employment across nine economic sectors in the economy of Iran over the period of 1973-2011. Based on the results of dynamic models used for ARDL estimation of employment functions across all economic sectors, it is revealed that production variable has had a positive impact on employment and per capita capital, where as an index of relative cost of ...
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