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An empirical model of the Baltic Sea reveals the importance of social dynamics for ecological regime shifts
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2015 (English)In: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 112, no 35, 11120-11125 p.Article in journal (Refereed) Published
Abstract [en]

Regime shifts triggered by human activities and environmental changes have led to significant ecological and socioeconomic consequences in marine and terrestrial ecosystems worldwide. Ecological processes and feedbacks associated with regime shifts have received considerable attention, but human individual and collective behavior is rarely treated as an integrated component of such shifts. Here, we used generalized modeling to develop a coupled social-ecological model that integrated rich social and ecological data to investigate the role of social dynamics in the 1980s Baltic Sea cod boom and collapse. We showed that psychological, economic, and regulatory aspects of fisher decision making, in addition to ecological interactions, contributed both to the temporary persistence of the cod boom and to its subsequent collapse. These features of the social-ecological system also would have limited the effectiveness of stronger fishery regulations. Our results provide quantitative, empirical evidence that incorporating social dynamics into models of natural resources is critical for understanding how resources can be managed sustainably. We also show that generalized modeling, which is well-suited to collaborative model development and does not require detailed specification of causal relationships between system variables, can help tackle the complexities involved in creating and analyzing social-ecological models.

Place, publisher, year, edition, pages
Proceedings of the National Academy of Sciences of the United States of America , 2015. Vol. 112, no 35, 11120-11125 p.
Keyword [en]
social-ecological systems, fisheries, generalized modeling, human decision making, feedback analysis
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-173978DOI: 10.1073/pnas.1504954112ISI: 000360383200078PubMedID: 26283344Scopus ID: 2-s2.0-84940975506OAI: oai:DiVA.org:kth-173978DiVA: diva2:859166
Funder
EU, European Research Council, 283950Mistra - The Swedish Foundation for Strategic Environmental ResearchSwedish Research Council Formas, 2009-252Swedish Research Council Formas, 2013-1293
Note

QC 20151006

Available from: 2015-10-06 Created: 2015-09-24 Last updated: 2017-12-01Bibliographically approved

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Lade, Steven J.
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf