ideal free distribution

The ideal free distribution is a concept in ecology that describes how organisms distribute themselves when they have a choice of habitats. It suggests that individuals will spread out in such a way that the number of individuals in each habitat is proportional to the amount of resources available in that habitat. In simpler terms, if one habitat has twice as many resources as another, it should ideally contain twice as many individuals.1

This distribution assumes that individuals can move freely between habitats and that competition for resources is the primary factor influencing their distribution. When resources are not evenly distributed, species may compete, leading to some individuals being excluded from optimal areas. Understanding species abundance and distribution patterns helps ecologists measure biodiversity and inform conservation efforts.23