Update

Overview

migration

Return to overview »

You are looking at 1-20 of 69 entries

  • Type: Overview Page x
clear all

View:

altitudinal migration

altitudinal migration  

A vertical pattern of migration in which populations that breed in the alpine or subalpine zones during the summer move to lower levels in winter, to avoid harsh climate and snow cover, and then ...
American Dream

American Dream  

Reference type:
Overview Page
Subject:
Literature
A phrase popularized by James Truslow Adams (1878–1949) in his 1931 study The Epic of America, which expressed the conviction that in America every individual had the opportunity for self‐fulfilment ...
annual rhythm

annual rhythm  

The occurrence of a process or a function in a living organism on a yearly basis. Events that display an annual rhythm can include life cycles, such as those of annual plants; mating behaviour; some ...
Aubin, Codex

Aubin, Codex  

A set of central Mexican annals, the Codex Aubin registers pre-Hispanic and colonial events through pictorial images and alphabetic writing in Nahuatl. [See Annals.] The indigenous cycle of years ...
Baltic Sea

Baltic Sea  

Reference type:
Overview Page
Subject:
History
This entry contains two subentries: An Overview, Regional NaviesThe Baltic Sea, including the Gulfs of Bothnia, Finland, and Riga but excluding The Sound and the Danish straits, has an ...
Baltic States

Baltic States  

Reference type:
Overview Page
Subject:
History
(1934)A mutual defence pact between Estonia, Latvia, and Lithuania. Soon after World War I there were negotiations for an alliance between all the countries which had recently broken away from the ...
barbarian

barbarian  

Reference type:
Overview Page
While we associate Classical culture primarily with emphasis on citizenship (membership of a polis), Classical Greek literature also assigns considerable importance to defining a common Greek ...
Boturini, Codex

Boturini, Codex  

A set of central Mexican annals, the Codex Boturini chronicles the Mexica migration from Aztlan to the Valley of Mexico. The manuscript takes the form of a screenfold (a long ...
brain Drain

brain Drain  

Reference type:
Overview Page
A pejorative description of the tendency for talented people from poor countries to seek employment in richer ones. Sometimes this migration occurs because, while similar skills are needed in both ...
Brittany

Brittany  

Reference type:
Overview Page
Subject:
Literature
Former duchy and province of north-western France on the Armorican peninsula, coextensive with modern French Departments of Finistére, Côte d'Armor, Morbihan, Ille-et-Vilaine, and Loire-Atlantique ...
corridor

corridor  

A strip of natural habitat that connects two or more larger areas of natural habitat (or nature reserves) surrounded by developed land, which allows the migration of organisms from one place to ...
corridor dispersal route

corridor dispersal route  

As originally defined by the American palaeontologist G. G. Simpson in 1940, a corridor is a migration route that allows more or less uninhibited faunal interchange. Thus many or most of the animals ...
cultural behaviour

cultural behaviour  

Behaviour that has been passed from one generation to another by non-genetic means. Evolution occurs primarily as a result of natural selection, and genetic inheritance of acquired characteristics is ...
Dálriada

Dálriada  

An ancient Gaelic kingdom in northern Ireland whose people (the Scots) established a colony in SW Scotland from about the late 5th century. By the 9th century Irish Dalriada had declined but the ...
deforestation

deforestation  

The permanent clearance of a forest, usually rapidly by cutting or burning over a large area, without replanting or natural regeneration. Also known as forest clearance. Contrast afforestation.
demographic

demographic  

Relating to population statistics, changes, and trends based on measures of fertility, mortality, and migration.
demographic balancing equation

demographic balancing equation  

An equation that is used to calculate population changes from one year to the next in a given area, based on number of births, deaths, and migrations. The general form of the equation is a mass ...
demographic force

demographic force  

Any of the three factors (fertility, mortality, and migration) that determine the level, composition, and distribution of population in a particular place or area. See also demographic balancing ...
demography

demography  

Reference type:
Overview Page
Subject:
History
The statistical study of human populations, including size, structure, and changes.
diaspora

diaspora  

Reference type:
Overview Page
Jews living outside Israel; the dispersion of the Jews beyond Israel.The main diaspora began in the 8th–6th centuries bc, and even before the sack of Jerusalem in ad 70 the number of Jews dispersed ...

View: