Stephen Ellner, Cornell University

Profile photo of Stephen Ellner, expert at Cornell University

Professor Ithaca, New York spe2@cornell.edu Office: (607) 254-4221

Bio/Research

My general interests are in theoretical population biology and evolutionary ecology. The research typically combines data analysis, modeling, mathematics, and simulations, and is often in collaboration with experimental biologists. I believe that useful theory must be grounded in real data, and m...

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Bio/Research

My general interests are in theoretical population biology and evolutionary ecology. The research typically combines data analysis, modeling, mathematics, and simulations, and is often in collaboration with experimental biologists. I believe that useful theory must be grounded in real data, and must prove itself by leading to greater understanding of empirical results.

My primary current project focuses on understanding the role of rapid evolution in the dynamics of food webs, a collaboration with Nelson G. Hairston, Jr., Laura Jones, and Giles Hooker (BSCB) that combines theory with laboratory experiments on planktonic food webs. Rapid evolution of traits affecting intra- and interspecific interactions is widespread, but little is known about how important those changes are for ecosystem structure and function. Our main current goal is to develop and test theory that can predict when rapid evolution will have large versus small effects on population, community, and ecosystem-level properties. I also have longstanding interests in structured population modeling (especially integral operator models), disease ecology, and statistical methods for fitting and testing dynamic models in ecology and epidemiology.


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