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The Theory of Island Biogeography has its roots in Wilson's work on the ants of Melanesia.MacArthur synthesized Wilson's ideas about competition, colonization and equilibrium into a simple graphical representation of immigration and extinction curves, from which one can determine the equilibrial species number on an island. [3]
Switzerland’s mountainous geography and lack of natural resources historically led the Swiss to seek economic opportunities abroad. While some immigrants did settle in the region, the influx of significant migrant groups to Switzerland began primarily in the late 19th century, coinciding with industrialization.
Exodus: How Migration is Changing Our World (titled Exodus: Immigration and Multiculturalism in the 21st Century for its UK release) is a 2013 book by the development economist Paul Collier about the way migration affects migrants as well as the countries that send and receive the migrants, and the implications this has for development economics and the quest to end poverty.
Human migration is the movement of people from one place to another, [1] with intentions of settling, permanently or temporarily, at a new location (geographic region). The movement often occurs over long distances and from one country to another (external migration), but internal migration (within a single country) is the dominant form of human migration globally.
The Migration Research Unit is based in University College London's Geography department. [92] The Centre for Migration and Diaspora Studies is based at The School of Oriental and African Studies :University of London. [93] The Migration Research Unit is based at the London School of Economics. [94]
Geographic mobility has a large impact on many sociological factors in a community and is a current topic of academic research. [1] It varies between different regions depending on both formal policies and established social norms, and has different effects and responses in different societies.
Immigration is a “good thing,” Chang said on CNBC Thursday. Its benefits to the economy remain underreported, she argues. “One thing that was really underestimated in the U.S. was the ...
Population geographyis the study of the distribution, composition, migration, and growth of human populations in relation to the geographic characteristics of specific area. It focuses on how populations are distributed across space, the factors influencing these distributions, and the implications for resources, environment, and societal ...