competitive exclusion


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Related to competitive exclusion: Competitive exclusion principle, Resource partitioning

competitive exclusion

the principle that two species cannot coexist if they have identical ecological requirements.
References in periodicals archive ?
In this paper, we study the principle of competitive exclusion associated with system (2).
In the case of the dynamic scenario with nine equilibrium points system (3) exhibits both competitive exclusion and competitive coexistence as well as the Allee effect.
Comparison of mucosal competitive exclusion and CE treatment to reduce Salmonella and Campylobacter spp.
We assumed that there might be differences in selection of prey allowing the two species to successfully coexist in the same place if the competitive exclusion principle (Hardin, 1960) were operating.
Several groups of these additives are in use such as AG, a competitive exclusion product (CE), which contains a mixture of live bacteria that represent the bacterial populations in the cecum of adult chickens.
They proposed that a GBS-specific immune defect might exist in HIV-infected pregnant women and suggested that this defect could be blurred by competitive exclusion of GBS as a consequence of changes in microbial flora at lower CD4 counts.
Also, some works have been done to evaluate competitive exclusion of potential probiotics on rainbow trout [16,10,9].
ARS scientists in Stoneville, Mississippi, are also using competitive exclusion to manage aflatoxin in corn.
Although one may want to invoke competitive exclusion for the replacement of S.
On the other hand, if functional traits are phylogenetically conserved and competition for limited resources is the main ecological process, closely related species are expected to show low levels of co-occurrence (phylogenetic overdispersion; Webb et al., 2002), because of the competitive exclusion of one or more functionally similar species (Leibold, 1998).
(2005) suggested that Bothrops asper is dominant over smaller and ecologically less versatile pit vipers, often displacing them by means of competitive exclusion. Porthidium lansbergii is also known as a versatile species with a wide range of trophic and ecological habits (Campbell and Lamar 2004), and tends to be a dominant snake in Northern Colombian dry forests wherever low densities of B.
Effect of the Competitive Exclusion on Mortality and Productive Performance in Broilers Chicken.

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