Population Density

Bol

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Population density (in agriculture standing stock and standing crop) is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans. It is a key geographic term. Population density refers to the number of individuals per square kilometer of land area. It is a common biological measurement and is more often used by conservationists as a measure than population size. Low densities may cause an extinction vortex and lead to further reduced fertility. This is called the Allee effect after the scientist who identified it.

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Pagina's: 76, Paperback, Betascript Publishers