Allometry and Growth / Diversity Measures / Metacommunities / Neutral Community Ecology / Species Ranges Further Reading Cooperation, Evolution Of
نویسنده
چکیده
Blackburn, T. M., and K. J. Gaston, eds. 2003. Macroecology: concepts and consequences. Proceedings of the 43rd Annual Symposium of the British Ecological Society (17–19 April 2002). Malden, MA: Blackwell Publishing. Brown, J. H. 1995. Macroecology. Chicago: University of Chicago Press. Gaston, K. J., and T. M. Blackburn. 2000. Pattern and process in macroecology. Malden, MA: Blackwell Science. Hubbell, S. P. 2001. The unifi ed neutral theory of biodiversity and biogeography. Princeton, NJ: Princeton University Press. Huston, M. A. 1994. Biological diversity. Cambridge, UK: Cambridge University Press. Maurer, B. A. 1999. Untangling ecological complexity: the macroscopic perspective. Chicago: University of Chicago Press. Maurer, B. A. 2009. Spatial patterns of species diversity in terrestrial environments. In S. A. Levin, ed. Princeton guide to ecology. Princeton, NJ: Princeton University Press. Rosenzweig, M. L. 1995. Species diversity in space and time. Cambridge, UK: Cambridge University Press.
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Network isolation and local diversity in neutral metacommunities
Biologists seek an understanding of the biological and environmental factors determining local community diversity. Recent advances in metacommunity ecology, and neutral theory in particular, highlight the importance of dispersal processes interacting with the spatial structure of a landscape for generating spatial patterns and maintaining biodiversity. The relative spatial isolation of a commu...
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David Alonso* and Alan J. McKane Ecology and Evolutionary Biology, University of Michigan 830 North University Avenue, Ann Arbor MI 48109-1048, USA ICREA-Complex Systems Lab, Universitat Pompeu Fabra, Dr Aiguader 80, 08003 Barcelona, Spain Department of Theoretical Physics, University of Manchester, Manchester M13 9PL, UK *Correspondence: E-mail: [email protected] Abstract In the context of neu...
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Difference in dispersal ability is a key driver of species coexistence in metacommunities. However, the available frameworks for interpreting species diversity patterns in natura often overlook trade-offs and evolutionary constraints associated with dispersal. Here, we build a metacommunity model accounting for dispersal evolution and a competition-dispersal trade-off. Depending on the distribu...
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Experiments and models reveal that moderate dispersal rates between local communities can increase diversity by alleviating local competitive exclusion; in contrast, high dispersal rates can decrease diversity by amplifying regional competition. However, hitherto experimental tests on how dispersal affects diversity in the presence and absence of environmental heterogeneity are largely missing,...
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Spatial structure in metacommunities and their relationships to environmental gradients have been linked to opposing theories of community assembly. In particular, while the species sorting hypothesis predicts strong environmental influences, the neutral theory, the mass effect, and the patch dynamics frameworks all predict differing degrees of spatial structure resulting from dispersal and com...
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