abstract:Limiting similarity (informally "limsim") is a concept in theoretical ecology and community ecology that proposes the existence of a maximum level of niche overlap between two given species that will allow continued coexistence.
This criticalthresholdofdifferentiationinresourceutilization is termedthe limitingsimilarity, Ii is determined by thebalancebetween intraspecific competitionandinterspecificcompetition.