World Population: Historical Estimates of World Population. Retrieved June 30, 2013. Available on the world wide web: http://www.census.gov/ population/international/data/worldpop/table_history.phpU.S. Census Bureau, "International Programs: World Population, Historical Estimates of World Population,...
Historical Population of Chile The population of the Republic of Chile has continually increased over the last half a century. However, there have been times throughout this time where the population slowed its increase down and sped its increase up. Over the last few decades, the population has...
Population and Economy: From the Traditional to the Modern World || Historical Demography after The Population History of England Migration across national boundaries and to and from rural areas has been a part of life in Greece since the earliest times and is indicative of continuing... M Ander...
Traditional farming relies on managing entire fields—making decisions related to planting, harvesting, irrigating, and applying pesticides and fertilizer (农药和化肥)—based on regional conditions and historical data. Precision farming, by contrast, combines sensors, robots, GPS, mapping tools and data...
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either reflect extraordinary genomic processes or inconsistent fossil calibration, and they have important consequences for population and biogeographical inferences... Ann,Willyard,John,... - 《Molecular Biology & Evolution》 被引量: 335发表: 2007年 Dispersal, vicariance, and clocks: Historical biogeog...
In August 1984, the second International Conference on Population took place in Mexico City. The substantive discussions confirmed that the population-development debate of the 1970's has faded and that the center of influence within the population movement has shifted from the West toward the develo...
The Population of the United States in the 1980s. For the National Committee for Research on the 1980 Ce... This book is about race and the differences race makes in the lives of Americans. Its mission is to convert 1980 census data into authoritative analyses of... R Farley,WR Allen ...
Population and Development: A Critical Introduction. Cambridge, England: Polity Press, 1997. Homer-Dixon, Thomas. Environment, Scarcity, and Violence. Princeton, NJ: Princeton University Press, 1999. Keyfitz, Nathan. "Population Theory and Doctrine: A Historical Survey." In Alex Inkeles and...
Historical changes in habitat range sizes With moderate impacts on the habitat ranges of most species’ up until the industrial revolution, the expansion of agricultural production and settlements alongside the rise in population growth since the early 1800 s has drastically reduced range sizes of ...