Niche overlap

Pronunciation
/NISH oh-ver-LAP/
Category
Ecology
Singular
Niche overlap
Plural
Niche overlaps

Definition

The degree to which two or more species utilize the same resources and habitat. High niche overlap indicates competition between species.

Etymology

Niche from Latin 'nixus' meaning 'to lean or rest upon' and 'overlap' referring to the overlapping of areas.

Example

High niche overlap between two species can lead to competitive exclusion.

Related Terms

Usage Notes

Niche overlap is a measure of how similar two species are in their ecological roles.