Predation-competition interactions for seasonally recruiting species

The American Naturalist
Jessica J Kuang, P Chesson

Abstract

We investigate the interacting effects of predation and competition on species coexistence in a model of seasonally recruiting species in a constant environment. For these species, life-history parameters, such as maximum productivity and survival, have important roles in fluctuation-dependent species coexistence in that they introduce nonlinearities into population growth rates and cause endogenous population fluctuations, which can activate the coexistence mechanism termed "relative nonlinearity." Under this mechanism, different species must differ in the nonlinearities of their growth rates and must make different contributions to fluctuations in competition and predation. Both of these features can result from life-history trade-offs associated with seasonal recruitment. Coexistence by relative nonlinearity can occur with or without predation. However, predation can undermine coexistence. It does this by reducing variance contrasts between species. However, when competition is not sufficient to cause endogenous population fluctuations, predation can enable fluctuation-dependent coexistence by destabilizing the equilibrium. This model also reproduces the classic finding that coexistence can occur with selective predation pro...Continue Reading

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Citations

Jun 10, 2010·Journal of Mathematical Biology·Sebastian J SchreiberKolawolé A S Atchadé
Jul 3, 2013·Journal of Theoretical Biology·Xiao Xiao, Gregor F Fussmann
Aug 10, 2012·Journal of Biological Dynamics·Yun Kang, Hal Smith
Jul 19, 2013·Ecology·Adrian C StierBenjamin M Bolker
Oct 13, 2010·Journal of Theoretical Biology·Yun Kang, Dieter Armbruster
Apr 17, 2010·Theoretical Population Biology·Yun Kang, Peter Chesson
Mar 21, 2009·Journal of Theoretical Biology·Tamara MünkemüllerKarin Johst
Dec 26, 2008·Journal of Theoretical Biology·Femke van den Berg, Frank van den Bosch
Aug 27, 2015·Theoretical Population Biology·Chi Yuan, Peter Chesson
Nov 19, 2013·Theoretical Population Biology·Galen Holt, Peter Chesson
Jul 6, 2010·Theoretical Population Biology·Peter Chesson, Jessica J Kuang
Nov 14, 2008·Nature·Peter Chesson, Jessica J Kuang
Nov 8, 2018·Ecological Applications : a Publication of the Ecological Society of America·William R GouldKristin Legg
Oct 3, 2018·Ecology and Evolution·Monika HlouškováLumír Gvoždík
Dec 22, 2016·Theoretical Population Biology·Simon Maccracken Stump, Peter Chesson
Mar 3, 2018·Journal of Theoretical Biology·Simon Maccracken StumpChristopher A Klausmeier
May 9, 2021·Journal of Mathematical Biology·Alexandru HeningPeter Chesson

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