Population density - Write short notes on given term.
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Definition of Population Density. In biology, populations are groups of individuals belonging to the same species that live in the same region at the same time. Population density is a measure of the number of organisms that make up a population in a definedarea.
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Population density refers to the population residing in per square unit( hectare/kilometer/meter) of a given area of land. It is an index of population concentration.
It is mostly applicable for all living organisms including humans. However, in the case of agriculture, it refers to standing crop/standing stock.
And extinction vortex results from low population densities and is known as the Allee effect.
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