Population density

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Population density - the number of individuals per unit area of ​​land. It can also be defined by giving the biomass of individuals on a surface unit. In many cases, a unit of volume (air or water) is given instead of a unit of space - for organisms that exist in these environments.

According to Alley's rule, both too small and too high density affects the population limiting. Excessive compaction of the specimens increases intraspecific competition, which limits the development of the population and leads to an increase in "mortality". In turn, overcrowding can make it difficult for a person reproducing sexually to find a partner for reproduction.

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