Early detection of ecosystem regime shifts: A multiple method evaluation for management application

Publication: Research - peer-reviewJournal article – Annual report year: 2012

  • Author: Lindegren, Martin

    Section for Management Systems, National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund Slot Jægersborg Allé 1, 2920, Charlottenlund, Denmark

  • Author: Dakos, Vasilis

    Wageningen Univ, Dept Aquat Ecol & Water Qual Management, Wageningen, Netherlands

  • Author: Groeger, Joachim P.

    Univ Rostock, Inst Biosci, Rostock, Germany

  • Author: Gardmark, Anna

    Swedish Univ Agr Sci, Inst Coastal Res, Dept Aquat Resources, Oregrund, Sweden

  • Author: Kornilovs, Georgs

    Inst Food Safety Anim Hlth & Environm, Dept Fish Resources Res, Riga, Latvia

  • Author: Otto, Saskia A.

    Univ Hamburg, Inst Hydrobiol & Fisheries Sci, Hamburg, Germany

  • Author: Moellmann, Christian

    Univ Hamburg, Inst Hydrobiol & Fisheries Sci, Hamburg, Germany

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Critical transitions between alternative stable states have been shown to occur across an array of complex systems. While our ability to identify abrupt regime shifts in natural ecosystems has improved, detection of potential early-warning signals previous to such shifts is still very limited. Using real monitoring data of a key ecosystem component, we here apply multiple early-warning indicators in order to assess their ability to forewarn a major ecosystem regime shift in the Central Baltic Sea. We show that some indicators and methods can result in clear early-warning signals, while other methods may have limited utility in ecosystem-based management as they show no or weak potential for early-warning. We therefore propose a multiple method approach for early detection of ecosystem regime shifts in monitoring data that may be useful in informing timely management actions in the face of ecosystem change.
Original languageEnglish
JournalPLoS ONE
Publication date2012
Volume7
Issue7
Pagese38410
ISSN1932-6203
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 15

Keywords

  • Biology, Central Baltic Sea, Early-warning signals, Catastrophic shifts, Marine ecosystems, Leading indicators, Slowing-down, Climate, Dynamics, Time, Reorganization
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