Xem 1-20 trên 208 kết quả Population growth
  • An analysis of the complex relationship between demographic changes and impacts on the natural-resource base confirms that resource exploitation is occurring not only to meet growing domestic needs but also for other vested interests. Population, together with other major drivers, such as institutions, markets, and technology, will have a very strong bearing on the way in which the rich resources of the Mekong River Basin are developed and distributed in the present and future.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: " Numerical modelling of label-structured cell population growth using CFSE distribution data

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  • In this chapter, students will be able to understand: How many people live in the world today? How many people live in poverty? What is the current rate of world population growth? What is the demographic constant used to calculate population doubling time? What percent of the worlds wealth is controlled by developed and developing countries respectively? What proportion of the human population lives in developing countries?

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  • Exports, transfers, investments and the determinants of regional growth: demand. Population growth and migration: supply

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  • This is an introductory textbook on mathematical ecology bridging the subdisciplines of population ecology and ecosystem ecology. The expected reader is you: a beginning graduate student, advanced undergraduate student, or someone who thinks of themselves as a student all their lives, with a working knowledge of basic calculus and basic ecology. While this is intended as a stand-alone text, the level is such that once you have read through it, you will be able to read more advanced texts and monographs such as Ågren and Bosatta (1998) and Kot (2001) with greater depth.

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  • THE GROWING SIZE OF CANADA’S ELDERLY POPULATION and its use of health care services has generated much discussion in policy circles and the popular press. With data from the National Population Health Survey, undertaken in 1994–95, the authors examine the health status of Canada’s elderly population using 3 sets of measures: level of activity limitations, prevalence of chronic illnesses and self-assessment of overall health. They also analyse the utilization of physician and institutional services.

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  • The main focus of this book is the presentation of the “inertial” view of population growth. This view provides a rather simple model for complex population dynamics, and is achieved at the level of the single species, without invoking species interactions. An important part of our account is the maternal effect. Investment of mothers in the quality of their daughters makes the rate of reproduction of the current generation depend not only on the current environment but also on the environment experienced by the preceding generation....

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  • Mexican market researchers have defined three “Socio-Economic Levels” (SEL; niveles socioeconómicos) of Mexico’s urban population which is of particular interest to marketers. 1 The high Socio-Economic Level (SEL) makes up around 8% of the urban population of Mexico (see Table 4). This is beyond any doubt the most interesting customer segment for Swiss exporters of high quality consumer products. Parts of the Medium SEL (which totals 29% of the urban population) might also be in a position to afford Swiss products.

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  • The past two hundred years have witnessed two exploding trends: rapid population growth following the decline in mortality due to both the medical revolution and the improvement in living conditions and a steep increase of resource depletion and environmental degradation following the industrial and agricultural revolutions. Both of these trends have accelerated over the past 50 years, fueling the debate on the linkages between population and environment that began 150 years earlier with Malthus’ concern about the capacity of fixed land to feed an exponentially growing population....

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  • Theories of economic growth- Classical and Neo-classical theories, Schumpeter's theory, Keynes- Hansen Theory for steady growth. Determinants of growth. Growth Models- Harrod-Domar Model, Mahalanobis Model, Neo-classical growth models, Marx's theory, Rostow's Model and Nurkse-Lewis Model. Strategies for economic development, balanced vs unbalanced growth. Theories of "Big Push" and "Critical minimum effort". Theory of demographic transition, population trap, population growth. Capital formation, technology and economic growth. Social and political factors in economic development.

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  • Twenty years of regional population growth at almost 3 per cent per year has outpaced economic gains, leaving sub-Saharan Africans, on average, 22 per cent poorer than they were in the mid-1970s. The region’s progress is also hampered by large-scale migrations of people trying to escape poverty and political instability. Contributing to this migration is the large youth population, which fuels a rapid increase in new entrants to the labour market, and high fertility rates, outpacing the capacity of economies to generate a sufficient numbers of jobs.

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  • Rice area of the Mekong Delta (MD) has decreased in recent years, especially the shift from rice land into land for industrial parks and saline land due to sea level rise and effects of climate change. In addition, the rate of population growth also requires increasingly high demand for rice in the region. By using the model, results showed that the population of the Mekong Delta will be at 26,956.5 thousand inhabitants,

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  • The steady increase in industrialization, urbanization and enormous population growth are leading to production of huge quantities of wastewaters that may frequently cause environmental hazards. Raw or treated waste water is very oft en discharged to freshwaters and results in changing ecological performance and biological diversity of these systems. About 70% of water supplied ends up as wastewater and several natural water reservoirs are being contaminated by untreated sewage/industrial effl uents. This makes waste water treatment and waste water reduction very important issues....

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  • Chapter 5. Demographic Dimensions of Global Consumer Markets. When You Finish This Chapter, You Should: 1. Know about population and income trends in global markets—and how they affect marketers. 2. Understand how population growth is shifting in different areas and for different age groups.

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  • The OECD is a unique forum where the governments of 30 democracies work together to address the economic, social and environmental challenges of globalisation. The OECD is also at the forefront of efforts to understand and to help governments respond to new developments and concerns, such as corporate governance, the information economy and the challenges of an ageing population. The Organisation provides a setting where governments can compare policy experiences, seek answers to common problems, identify good practice and work to co-ordinate domestic and international policies....

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  • Bacteria that associate with plants are diverse in their ability to affect plant health, their genotypic and phenotypic characteristics, and their phylogeny. These bacteria are typically members of complex microbial communities, with only a few establishing pure clonal populations within a plant.

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  • Economic development, population growth, and environmental pollution evolving in many parts of the world are placing great demands on existing resources of fresh water and reflecting a "water crisis". Resource management, efficient utilization of the water resources, and above all water purification are all alternatives to resolve the water crisis. Purification approaches include traditional approaches that have lasted for several centuries without major modifications as well as new innovative approaches....

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  • Global change, including climate change, ecosystem shifts and biodiversity loss as a result of explosive human population growth and consumption, is emerging as one of the most important issues of our time (Vitousek, 1994). Climate change in particular appears to be altering the function, structure and stability of the Earth’s ecosystems (Lovelock, 2009). It has been marked by an 80% increase in atmospheric CO2 level and a 0.

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  • The vitamins are a chemically disparate group of compounds whose only common feature is that they are dietary essentials that are required in small amounts for the normal functioning of the body and maintenance of metabolic integrity.Metabolically, they have diverse functions, such as coenzymes, hormones, antioxidants, mediators of cell signaling, and regulators of cell and tissue growth and differentiation.

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  • Adolescent Sexual and Reproductive Health in Malawi: Results from the 2004 National Survey of Adolescents was written by Alister Munthali, the Cen- tre for Social Research, Zomba, Malawi; Eliya M. Zulu and Nyovani Madise, the African Population and Health Research Center, Nairobi, Kenya; Ann M. Moore, the Guttmacher Institute, New York, USA; Sidon Konyani, the Centre for Social Research, Zomba, Malawi, James Kaphuka, the National Statis- tical Office, Zomba, Malawi; and Dixie Maluwa- Banda, University of Malawi, Chancellor College, Zomba, Malawi.

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