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vol. 159, no. 3 the american naturalist march 2002 Population Dynamics and Mutualism: Functional
 

Summary: vol. 159, no. 3 the american naturalist march 2002
Population Dynamics and Mutualism: Functional
Responses of Benefits and Costs
J. Nathaniel Holland,1,* Donald L. DeAngelis,2,
and Judith L. Bronstein3,
1. Department of Biology, University of Miami, Coral Gables,
Florida 33124;
2. U.S. Geological Survey/Biological Resources Division,
Department of Biology, University of Miami, P.O. Box 249118,
Coral Gables, Florida 33124;
3. Department of Ecology and Evolutionary Biology, University of
Arizona, Tucson, Arizona 85721
Submitted January 23, 2001; Accepted August 30, 2001
abstract: We develop an approach for studying population dy-
namics resulting from mutualism by employing functional responses
based on density-dependent benefits and costs. These functional re-
sponses express how the population growth rate of a mutualist is
modified by the density of its partner. We present several possible
dependencies of gross benefits and costs, and hence net effects, to a
mutualist as functions of the density of its partner. Net effects to

  

Source: Azevedo, Ricardo - Department of Biology and Biochemistry, University of Houston
Holland, J. Nathaniel - Department of Ecology and Evolutionary Biology, Rice University

 

Collections: Biology and Medicine; Environmental Sciences and Ecology