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    The emergence of the rescue effect from explicit within and between-patch dynamics in a metapopulation

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    Type
    Article
    Authors
    Eriksson, Anders cc
    Elías-Wolff, Federico
    Mehlig, Bernhard
    Manica, Andrea
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Bioscience Program
    Integrative Systems Biology Lab
    Date
    2014-02-12
    Preprint Posting Date
    2014-01-25
    Online Publication Date
    2014-02-12
    Print Publication Date
    2014-02-12
    Permanent link to this record
    http://hdl.handle.net/10754/563389
    
    Metadata
    Show full item record
    Abstract
    Immigration can rescue local populations from extinction, helping to stabilize a metapopulation. Local population dynamics is important for determining the strength of this rescue effect, but the mechanistic link between local demographic parameters and the rescue effect at the metapopulation level has received very little attention by modellers. We develop an analytical framework that allows us to describe the emergence of the rescue effect from interacting local stochastic dynamics. We show this framework to be applicable to a wide range of spatial scales, providing a powerful and convenient alternative to individual-based models for making predictions concerning the fate of metapopulations. We show that the rescue effect plays an important role in minimizing the increase in local extinction probability associated with high demographic stochasticity, but its role is more limited in the case of high local environmental stochasticity of recruitment or survival. While most models postulate the rescue effect, our framework provides an explicit mechanistic link between local dynamics and the emergence of the rescue effect, and more generally the stability of the whole metapopulation. © 2014 The Author(s) Published by the Royal Society. All rights reserved.
    Citation
    Eriksson, A., Elías-Wolff, F., Mehlig, B., & Manica, A. (2014). The emergence of the rescue effect from explicit within- and between-patch dynamics in a metapopulation. Proceedings of the Royal Society B: Biological Sciences, 281(1780), 20133127. doi:10.1098/rspb.2013.3127
    Sponsors
    B.M. gratefully acknowledges financial support by Vetenskapsradet, by the Goran Gustafsson Foundation for Research in Natural Sciences and Medicine and by the Centre for Evolutionary Marine Biology at Gothenburg University.
    Publisher
    The Royal Society
    Journal
    Proceedings of the Royal Society B: Biological Sciences
    DOI
    10.1098/rspb.2013.3127
    PubMed ID
    24523274
    PubMed Central ID
    PMC4027396
    arXiv
    1401.6524
    Additional Links
    http://arxiv.org/abs/arXiv:1401.6524v1
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4027396
    ae974a485f413a2113503eed53cd6c53
    10.1098/rspb.2013.3127
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Bioscience Program

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