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Biodiversity and the Lotka-Volterra theory of species interactions: open systems and the distribution of logarithmic densities

Wilson, W G and Lundberg, Per LU (2004) In Royal Society of London. Proceedings B. Biological Sciences 271(1551). p.1977-1984
Abstract
Theoretical interest in the distributions of species abundances observed in ecological communities has focused recently on the results of models that assume all species are identical in their interactions with one another, and rely upon immigration and speciation to promote coexistence. Here we examine a one-trophic level system with generalized species interactions, including species-specific intraspecific and interspecific interaction strengths, and density-independent immigration from a regional species pool. Comparisons between results from numerical integrations and an approximate analytic calculation for random communities demonstrate good agreement, and both approaches yield abundance distributions of nearly arbitrary shape,... (More)
Theoretical interest in the distributions of species abundances observed in ecological communities has focused recently on the results of models that assume all species are identical in their interactions with one another, and rely upon immigration and speciation to promote coexistence. Here we examine a one-trophic level system with generalized species interactions, including species-specific intraspecific and interspecific interaction strengths, and density-independent immigration from a regional species pool. Comparisons between results from numerical integrations and an approximate analytic calculation for random communities demonstrate good agreement, and both approaches yield abundance distributions of nearly arbitrary shape, including bimodality for intermediate immigration rates. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Royal Society of London. Proceedings B. Biological Sciences
volume
271
issue
1551
pages
1977 - 1984
publisher
Royal Society
external identifiers
  • wos:000223916200016
  • pmid:15347523
  • scopus:6944239792
ISSN
1471-2954
DOI
10.1098/rspb.2004.2809
language
English
LU publication?
yes
id
98884d34-35f3-4e13-8f0b-45e657a8e6c7 (old id 135385)
date added to LUP
2007-07-03 15:58:06
date last changed
2017-01-01 06:40:13
@article{98884d34-35f3-4e13-8f0b-45e657a8e6c7,
  abstract     = {Theoretical interest in the distributions of species abundances observed in ecological communities has focused recently on the results of models that assume all species are identical in their interactions with one another, and rely upon immigration and speciation to promote coexistence. Here we examine a one-trophic level system with generalized species interactions, including species-specific intraspecific and interspecific interaction strengths, and density-independent immigration from a regional species pool. Comparisons between results from numerical integrations and an approximate analytic calculation for random communities demonstrate good agreement, and both approaches yield abundance distributions of nearly arbitrary shape, including bimodality for intermediate immigration rates.},
  author       = {Wilson, W G and Lundberg, Per},
  issn         = {1471-2954},
  language     = {eng},
  number       = {1551},
  pages        = {1977--1984},
  publisher    = {Royal Society},
  series       = {Royal Society of London. Proceedings B. Biological Sciences},
  title        = {Biodiversity and the Lotka-Volterra theory of species interactions: open systems and the distribution of logarithmic densities},
  url          = {http://dx.doi.org/10.1098/rspb.2004.2809},
  volume       = {271},
  year         = {2004},
}