primary migration

См. также в других словарях:

• Migration — • The movement of populations from place to place Catholic Encyclopedia. Kevin Knight. 2006. Migration     Migration     † …   Catholic encyclopedia

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• migration — migrational, adj. /muy gray sheuhn/, n. 1. the process or act of migrating. 2. a migratory movement: preparations for the migration. 3. a number or body of persons or animals migrating together. 4. Chem. a movement or change of position of atoms… …   Universalium

• Migration in the People's Republic of China — Migrants leaving Badong in mostly rural western Hubei for the provincial capital Wuhan with an overnight bus have to brave the rigors of Highway G209 This article is about internal migration within the People s Republic of China. On top of the… …   Wikipedia

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• migration and settlement patterns — The household registration law (hukou) enacted by the Chinese socialist state in 1958 played the primary role in blocking population movement, especially rural to urban labour migration in Mao’s era. Government officials believed that it was… …   Encyclopedia of Contemporary Chinese Culture

• Migration and Health Research Center — The Migration and Health Research Center (MAHRC) is a collaborative effort between the University of California, Berkeley, and the University of California, Davis that promotes research and knowledge of migrant health issues. Contents 1 History 2 …   Wikipedia

• Bird migration — A flock of Barnacle Geese during autumn migration …   Wikipedia

• Diel vertical migration — Diel vertical migration, also known as diurnal vertical migration, is a pattern of movement that some organisms living in the ocean and in lakes undertake each day. Usually organisms move up to the epipelagic zone at night and return to the… …   Wikipedia

• Great Migration (African American) — The Great Migration was the movement of 6 million blacks out of the Southern United States to the Northeast, Midwest, and West from 1910 to 1930. Some historians differentiate between a First Great Migration (1910–30), numbering about 1.6 million …   Wikipedia

• Indo-Aryan migration — For other uses, see Indo Aryan migration (disambiguation). Indo European topics Indo European languages (list) Albanian · Armenian · Baltic Celtic · Germanic · Greek Indo Iranian …   Wikipedia