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someone who has migrated to another country in the hope of being recognized as a refugee

large-scale emigration by talented people

migration of people to a specific location because relative or members of the same nationality previously migrated there

the temporary movement of a migrant worker between home and host countries to seek employment

short-term, repetitive, or cyclical movements that recur on a regular basis

net migration from urban to rural areas in more developed countries

degradation or land, especially in semiarid areas, primarily because of human actions such as excessive crop planting, animal grazing, and tree cutting

migration from a location

an area subject to flooding during a given number of years, according to historical trends

permanent movement, compelled by cultural or environmental factors