Local extinction in a metapopulation context: an empirical evaluation

Local extinction in a metapopulation context: an empirical evaluation Metapopulations are classically viewed as sets of populations persisting in a balance between local extinction and colonization. When this is true, regional persistence depends critically upon parameters influencing extinction and colonization rates, e.g. the number of habitat patches and populations, the rates and patterns of interpatch migration, and propagule establishment probabilities. A review of relevant empirical literature identifies few metapopulations which fit this description well. Instead, three qualitatively different situations are found to be more common: (1) mainland‐island and source‐sink metapopulations, in which persistence depends on the existence of one or more extinction‐resistant populations; (2) patchy populations, in which dispersal between patches or sub‐populations is so high that the system is effectively a single extinction‐resistant population; (3) non‐equilibrium metapopulations, in which local extinction occurs in the course of a species' overall regional decline. This suggests a modified view of metapopulation dynamics in which local extinction is more an incidental than a central feature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biological Journal of the Linnean Society Oxford University Press

Local extinction in a metapopulation context: an empirical evaluation

Biological Journal of the Linnean Society, Volume 42 (1‐2) – Jan 1, 1991

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Publisher
Oxford University Press
Copyright
Copyright © 1991 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0024-4066
eISSN
1095-8312
DOI
10.1111/j.1095-8312.1991.tb00552.x
Publisher site
See Article on Publisher Site

Abstract

Metapopulations are classically viewed as sets of populations persisting in a balance between local extinction and colonization. When this is true, regional persistence depends critically upon parameters influencing extinction and colonization rates, e.g. the number of habitat patches and populations, the rates and patterns of interpatch migration, and propagule establishment probabilities. A review of relevant empirical literature identifies few metapopulations which fit this description well. Instead, three qualitatively different situations are found to be more common: (1) mainland‐island and source‐sink metapopulations, in which persistence depends on the existence of one or more extinction‐resistant populations; (2) patchy populations, in which dispersal between patches or sub‐populations is so high that the system is effectively a single extinction‐resistant population; (3) non‐equilibrium metapopulations, in which local extinction occurs in the course of a species' overall regional decline. This suggests a modified view of metapopulation dynamics in which local extinction is more an incidental than a central feature.

Journal

Biological Journal of the Linnean SocietyOxford University Press

Published: Jan 1, 1991

References

  • Interspecific competition in metapopulations
    BENGTSSON, BENGTSSON
  • Disturbance, interspecific interaction and diversity
    CASWELL, CASWELL; COHEN, COHEN
  • On the significance of dispersal power for populations of carabid beetles (Coleoptera, Carabidae)
    BOER, BOER
  • Colonization in metapopulations: a review of theory and observations
    EBENHARD, EBENHARD
  • Extinction, reduction, stability and increase: the responses of checkerspot butterfly ( Euphydryas ) populations to the California drought
    EHRLICH, EHRLICH; MURPHY, MURPHY; SINGER, SINGER; SHERWOOD, SHERWOOD; WHITE, WHITE; BROWN, BROWN
  • Consequences of insular population structure: distribution and extinction of spruce grouse populations
    FRITZ, FRITZ
  • Single‐species metapopulation dynamics: concepts, models and observations
    HANSKI, HANSKI
  • Metapopulation dynamics: brief history and conceptual domain
    HANSKI, HANSKI; GILPIN, GILPIN
  • Dispersal and connectivity in metapopulations
    HANSSON, HANSSON
  • Structured models of metapopulation dynamics
    HASTINGS, HASTINGS
  • The effect of conspecific attraction on metapopulation dynamics
    RAY, RAY; GILPIN, GILPIN; SMITH, SMITH
  • Consequences of forest fragmentation for the dynamics of bird populations: conceptual issues and evidence
    ROLSTAD, ROLSTAD
  • The contribution of population and community biology to conservation science
    SIMBERLOFF, SIMBERLOFF
  • Studying metapopulation effects in predator‐prey systems
    TAYLOR, TAYLOR

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