Population dynamics
Population dynamics
Population dynamics is the branch of life sciences that studies the size and age composition of populations as dynamic systems, and the biological and environmental processes driving them (such as birth and death rates, and by immigration and emigration). The example scenarios are typically derived from demography, ecology, or epidemiology.
Pronunciation
- IPA: /pɒpjʊˈleɪʃən daɪˈnæmɪks/
Etymology
The term "population dynamics" comes from the Latin populus meaning "people" or "community", and the Greek dynamikos meaning "powerful". It was first used in the field of demography to describe how the size and composition of populations change over time due to births, deaths, and migration.
Related Terms
- Demography: The statistical study of populations, especially human beings.
- Ecology: The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
- Epidemiology: The study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in defined populations.
- Immigration: The international movement of people into a destination country of which they are not natives or where they do not possess citizenship in order to settle or reside there.
- Emigration: The act of leaving one's own country to settle permanently in another; moving abroad.
External links
- Medical encyclopedia article on Population dynamics
- Wikipedia's article - Population dynamics
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