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vol. 167, no. 1 the american naturalist january 2006 Spatiotemporal Dynamics in Marginal Populations
 

Summary: vol. 167, no. 1 the american naturalist january 2006
Spatiotemporal Dynamics in Marginal Populations
J. Antonovics,1,* A. J. McKane,2,3,
and T. J. Newman1,3,4,
1. Department of Biology, University of Virginia, Charlottesville,
Virginia 22904;
2. Department of Theoretical Physics, University of Manchester,
Manchester M13 9PL, United Kingdom;
3. Department of Physics, University of Virginia, Charlottesville,
Virginia 22904;
4. Department of Physics and Astronomy, Arizona State
University, Tempe, Arizona 85287
Submitted January 7, 2005; Accepted August 17, 2005;
Electronically published November 7, 2005
abstract: Population dynamics across a mortality gradient at an
ecological margin are investigated using a novel modeling approach
that allows direct comparison of stochastic spatially explicit simu-
lation results with deterministic mean field models. The results show
that demographic stochasticity has a large effect at population mar-
gins such that density profiles fall off more sharply than predicted

  

Source: Antonovics, Janis - Department of Biology, University of Virginia
McKane, Alan - School of Physics and Astronomy, University of Manchester

 

Collections: Biology and Medicine; Physics