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CSCS Seminar | Cooperation, stochasticity, and stability, or: when will the world appear neutral, and when won’t it?

James Patrick O'Dwyer, University of Illinois, Department of Plant Biology
Tuesday, October 26, 2021
11:30 AM-1:00 PM
Passcode: CSCS

Abstract: Models of microbial interactions have been developed in recent years, drawing from taxonomic abundances via amplicon sequencing. Many of these models assume that dynamics through time are primarily driven by pairwise interactions between taxa, but with the drawback that how these interaction strengths may change with environmental context is less than clear. Here we model the consumption and exchange of resources explicitly, and show that these processes imply new results and principles for the stability of ecological communities. We go on to develop stochastic versions of these models, and demonstrate a transition between regimes that resemble neutral and niche-dominated dynamics and static patterns. Finally, I’ll show some recent work on more general stochastic models with individual variation, and their consequences for coexistence and stability.
Building: Off Campus Location
Location: Virtual
Event Link:
Event Password: CSCS
Event Type: Workshop / Seminar
Tags: Biology, Biosciences, Complex Ecological Networks, Ecology, research
Source: Happening @ Michigan from The Center for the Study of Complex Systems, The College of Literature, Science, and the Arts