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Activity Number: 122
Type: Invited
Date/Time: Monday, July 30, 2007 : 10:30 AM to 12:20 PM
Sponsor: IMS
Abstract - #307983
Title: Understanding Ecological Communities
Author(s): Claudia Neuhauser*+
Companies: The University of Minnesota
Address: 100Ecology Building, St. Paul, MN, 55108,
Keywords: interacting particle systems ; ecology
Abstract:

Ecological communities are assemblages of populations of different species (e.g., plants, animals, microbes). Community ecology is concerned with understanding the processes that govern diversity, distribution, and abundance of species that compose an ecological community. The standard framework of mathematical models in community ecology is ordinary differential equations. This framework assumes that species are well-mixed and stochastic effects can be neglected. We present insights from work on spatially explicit and stochastic Markov processes on how local interactions and stochastic dynamics affect the outcome of community interactions, such as competition, mutualism, or parasitism.


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Revised September, 2007