principle of population
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An Essay on the Principle of Population — Infobox Book | name = An Essay on the Principle of Population image caption = Title page of the original edition of 1798. author = Thomas Robert Malthus translator = illustrator = cover artist = country = England language = English genre =… … Wikipedia
Population density — (people per km2) by country, 2006 … Wikipedia
Population decline — can refer to the decline in population of any organism, but this article refers to population decline in humans. It is a term usually used to describe any great reduction in a human population.[1] It can be used to refer to long term demographic… … Wikipedia
Population control — is the practice of limiting population increase, usually by reducing the birth rate. The practice has sometimes been voluntary, as a response to poverty, environmental concerns, or out of religious ideology, but in some times and places it has… … Wikipedia
Population bottleneck — followed by recovery or extinction A population bottleneck (or genetic bottleneck) is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing.[1] A slightly different… … Wikipedia
Population dynamics — is the branch of life sciences that studies short term and long term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes. Population dynamics deals with the way… … Wikipedia
Population Matters — Founder(s) David Willey Founded 1991 Location United Kingdom Key people … Wikipedia
Population biology — is a study of biological populations of organisms, especially in terms of biodiversity, evolution, and environmental biology. The term population biology is often used interchangeably with population ecology, although the term with biology is… … Wikipedia
Principle (disambiguation) — The term law is often used to refer to universal principles that describe the fundamental nature of something, to universal properties and relationships between things, or to descriptions that purport to explain these principles and relationships … Wikipedia
Population pyramid — This distribution is named for the frequently pyramidal shape of its graph. A population pyramid, also called an age structure diagram, is a graphical illustration that shows the distribution of various age groups in a population (typically that… … Wikipedia
