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Biodiversity and species interactions: extending Lotka-Volterra community theory

Författare

  • W G Wilson
  • Per Lundberg
  • D P Vazquez
  • J B Shurin
  • M D Smith
  • W Langford
  • K L Gross
  • G G Mittelbach

Summary, in English

A new analysis of the nearly century-old Lotka-Volterra theory allows us to link species interactions to biodiversity patterns, including: species abundance distributions, estimates of total community size, patterns of community invasibility, and predicted responses to disturbance. Based on a few restrictive assumptions about species interactions, our calculations require only that the community is sufficiently large to allow a mean-field approximation. We develop this analysis to show how an initial assemblage of species with varying interaction strengths is predicted to sort out into the final community based on the species' predicted target densities. The sorting process yields predictions of covarying patterns of species abundance, community size, and species interaction strengths. These predictions can be tested using enrichment experiments, examination of latitudinal and productivity gradients, and features of community assembly.

Publiceringsår

2003

Språk

Engelska

Sidor

944-952

Publikation/Tidskrift/Serie

Ecology Letters

Volym

6

Issue

10

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Biological Sciences

Status

Published

Forskningsgrupp

  • Theoretical Population Ecology and Evolution Group

ISBN/ISSN/Övrigt

  • ISSN: 1461-023X