Unit 2 Flashcards
Asylum Seeker
Someone who has migrated to another country in hope of being recognized as a refugee
Intervening obstacles
An environmental or cultural feature of the landscape that hinders migration
Ravenstein’s Laws of Migration
Distance, Reasons, Characteristics
people move as close as they can, the move for safety and money, young men move
gravity model of migration
A model which holds that the potential use of a service at a particular location is directly related to the number of people in a location and inversely related to the distance people must travel to reach the service
step migration
1: high daily or seasonal mobility in search of food
2: high international emigration and inter regional migration from rural to urban areas
3: high international immigration and interregional migration from cities to suburbs
4: same as three
circular migration
the temporary movement of a migrant worker between home and host countries to seek employment
ethnic enclaves
a place with a high concentration of an ethnic group that is distinct from those in the surrounding area
brain drain
large scale emigration by talented people
ecumene
the portion of earth’s surface occupied by permanent human settlement
arithmetic density
measure of population per unit area
agricultural density
the number of people per unit of arable land
GDP per capita
per person: the amount of finished goods and serviced produced in a country
epidemic
a widespread occurence of am infectious disease in a community at a particular time
pandemic
is an epidemic of infectious disease that has spread through human population ls across a large region; for instance multiple continents, or even worldwide
epidemic transition
the process of change in the distinctive cases of death in each stage of the demographic transition
1: natural selection
2/3: vector born diseases(pestilences/plagues
4/5: degenerative diseases(usually non-transmissible