noun[mass noun] Ecology
The inevitable elimination from a habitat of one of two different species with identical needs for resources.
More example sentences
- In modern ecosystems, this is frequently due to competitive exclusion of previously established species, though such causal factors cannot be applied to these fossil taxa.
- Seasonal mammals may be absent from the far north because of purely abiotic limitations or because of competitive exclusion by continuous species.
- Consequently, daily variations in irradiance may slow rates of competitive exclusion or reverse the identity of the superior competitor but not allow stable coexistence.
Definition of competitive exclusion in:
- The US English dictionary