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The Center for Control, Dynamical Systems, and Computation Spring Seminars

Summary: The Center for Control, Dynamical Systems, and Computation
Spring Seminars
Population Dynamics at Multiple Spatial
Scales in Advective Systems
Professor Roger Nisbet
Department of Ecology, Evolution and Marine Biology
University of Califonia, Santa Barbara
Friday, May 12th, 2006 4:15 - 5:15 PM Engineering II Pavilion
Theory relating to the dynamics of populations in media with strong unidirectional flow will be presented.
Examples include drifting invertebrates in rivers and streams, marine organisms whose larvae are dispersed
in local longshore currents, plants with wind or waterborne seeds, and microrganisms in the gut. For many
simple models, there is an easily calculated "response length" that characterizes the distance downstream over
which the impact of a point source disturbance is felt. The response length is also an important parameter for
characterizing the response to non-point source disturbances at different spatial scales. Transient dynamics
are frequently of great importance in rivers and streams, and preliminary results will be presented on the scale
dependence of transients in advective systems.
About the Speaker:


Source: Akhmedov, Azer - Department of Mathematics, University of California at Santa Barbara


Collections: Mathematics