migration

(noun)

Physical movement by humans from one area to another, sometimes over long distances or in large groups.

Related Terms

Examples of migration in the following topics:

  • Movement and Migration

    • Migration is the long-range seasonal movement of animals.
    • Wildebeests migrate over 1800 miles each year in search of new grasslands .
    • Although migration is thought of as an innate behavior, only some migrating species always migrate (obligate migration).
    • Animals that exhibit facultative migration can choose to migrate or not.
    • Additionally, in some animals, only a portion of the population migrates, whereas the rest does not migrate (incomplete migration).

  • Migration

    • Migration is the movement by people from one place to another.
    • Urbanization refers to migration from rural to urban areas.
    • Yet another kind of migration, forced migration refers to the coerced movement of a person or persons away from their home or home region.
    • Positive migration rates are indicated in blue; negative migration rates in orange; stable in green; and no data in gray.
    • Discuss the types of migration in society and the various theories that explain migration

  • Cell Migration in Multicellular Organisms

    • Cell migration is necessary for development and maintenance of multicellularity, and occurs through varying mechanisms.
    • Cell migration is a central process in the development and maintenance of multicellular organisms.
    • Eukaryotic cell migration typically is far more complex and can consist of combinations of different migration mechanisms.
    • The migration of cultured cells attached to a surface is commonly studied using microscopy.
    • Other eukaryotic cells are observed to migrate similarly.

  • Three Demographic Variables

    • (Births - Deaths) +/- ((In-Migration) - (Out Migration)) = Population Change.
    • Changes in population size can be predicted based on changes in fertility, mortality, and migration rates.
    • Net migration is the mathematical difference between those migrating into a country and those migrating out of a country.
    • However, when dealing with ethnic groups, "net migration" might have to be subdivided into physical migration and ethnic re-identification (assimilation).
    • This means that population growth in the US is due to inward migration, rather than a high birthrate.

  • The Great Migration and the "Promised Land"

    • People also frequently migrated to cities where they had family.
    • The African-American Great Migration created the first large, urban black communities in the North.
    • As African Americans migrated, they became increasingly integrated into society.
    • This later painting, titled "During World War I there was a great migration north by southern Negroes" by the artist Jacob Lawrence, depicts African-American migration north via abstract images.
    • Many African-Americans migrated North in search of a better life.

  • African American Migration

    • The Exodus of 1879 was the first general migration of blacks following the Civil War.
    • It was the first general migration of blacks following the Civil War.
    • This sudden wave of migration came as a great surprise to many white Americans, who did not realize that black southerners were free in name only.
    • Summarize the patterns of African American migration in the late nineteenth century

  • Changing Demographics

    • In the late 19th and early 20th centuries, the Mexican population in the U.S. grew and African-Americans migrated to the North.
    • Some historians differentiate between the first Great Migration (1910–1930), numbering about 1.6 million migrants who left mostly rural areas to migrate to northern and midwestern industrial cities, and a Second Great Migration (1940 to 1970), in which 5 million or more people moved, including many to California and various western cities.
    • The Great Migration created the first large urban black communities in the North.
    • The primary factors for migration from the South were segregation, the widespread violence of lynching, and a lack of opportunities.
    • This later painting, titled "During World War I there was a great migration north by southern Negroes" by the artist Jacob Lawrence, depicts African-American migration north via abstract images.

  • Migration to North America

    • Civilization in America began during the last Ice Age when nomadic Paleo-Indians migrated across Beringia.
    • While some researchers may debate the “why” and “when” of migration patterns, all can agree that migration would not have been possible without a glacial epoch. 
    • While there is general agreement that the Americas were first settled from Asia, the pattern of migration, its timing, and the place(s) of origin in Asia of the peoples who migrated to the Americas remain unclear.  
    • After multiple waves of migrations, it was several thousand years before the first complex civilizations arose.
    • Describe early inhabitants of the Americas and the environmental changes that made migration possible

  • Introduction

    • It encompasses the study of the size, structure and distribution of populations, and how populations change over time due to births, deaths, migration, and aging.

  • Embryonic Development of the Brain

    • These include differentiation, migration, and axon guidance to their initial target areas.
    • Neurons migrating with this mode of locomotion are bipolar and attach the leading edge of the process to the pia.
    • Most interneurons migrate tangentially through multiple modes of migration to reach their appropriate location in the cortex.
    • There is also a method of neuronal migration called multipolar migration.
    • They do not resemble the cells migrating by locomotion or somal translocation.