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| Joint Physics/Biology Colloquium
Friday, January 19, 2001
Physics Building, Room 204
Note special time.
[Host: Tim Newman]
Department of Physics -University of Manchester, UK
"Ecological dynamics of multispecies communities"
Many theoretical physicists with a background in non-equilibrium statistical
mechanics are becoming interested in exploring mathematical models of
ecosystems. The reason for this is clear when one realizes that such models
typically involve a large number of individuals interacting according to
simple rules and that the ultimate aim is to compute coarse-grained or
long-time behavior. The ingredients of these models include population
dynamics, predator-prey interactions, competitive effects, speciation
and immigration. Two examples will be discussed. One is a model which
describes the evolution of food webs using adaptive dynamics and the other,
a stochastic model of species-rich ecosystems which makes predictions
concerning the form of the species abundance distribution.
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