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Fisheries portfolio diversification and turnover buffer Alaskan fishing communities from abrupt resource and market changes

Author

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  • Timothy J. Cline

    (School of Aquatic and Fishery Sciences, University of Washington)

  • Daniel E. Schindler

    (School of Aquatic and Fishery Sciences, University of Washington)

  • Ray Hilborn

    (School of Aquatic and Fishery Sciences, University of Washington)

Abstract

Abrupt shifts in natural resources and their markets are a ubiquitous challenge to human communities. Building resilient social-ecological systems requires approaches that are robust to uncertainty and to regime shifts. Harvesting diverse portfolios of natural resources and adapting portfolios in response to change could stabilize economies reliant on natural resources and their markets, both of which are prone to unpredictable shifts. Here we use fisheries catch and revenue data from Alaskan fishing communities over 34 years to test whether diversification and turnover in the composition of fishing opportunities increased economic stability during major ocean and market regime shifts in 1989. More than 85% of communities show reduced fishing revenues following these regime shifts. However, communities with the highest portfolio diversity and those that could opportunistically shift the composition of resources they harvest, experienced negligible or even positive changes in revenue. Maintaining diversity in economic opportunities and enabling turnover facilitates sustainability of communities reliant on renewable resources facing uncertain futures.

Suggested Citation

  • Timothy J. Cline & Daniel E. Schindler & Ray Hilborn, 2017. "Fisheries portfolio diversification and turnover buffer Alaskan fishing communities from abrupt resource and market changes," Nature Communications, Nature, vol. 8(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14042
    DOI: 10.1038/ncomms14042
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    Cited by:

    1. Kristen M. Green & Jennifer C. Selgrath & Timothy H. Frawley & William K. Oestreich & Elizabeth J. Mansfield & Jose Urteaga & Shannon S. Swanson & Francisca N. Santana & Stephanie J. Green & Josheena , 2021. "How adaptive capacity shapes the Adapt, React, Cope response to climate impacts: insights from small-scale fisheries," Climatic Change, Springer, vol. 164(1), pages 1-22, January.
    2. Andrew R. Tilman & Elisabeth H. Krueger & Lisa C. McManus & James R. Watson, 2023. "Maintaining human wellbeing as socio-environmental systems undergo regime shifts," Papers 2309.04578, arXiv.org.
    3. Thanassekos, Stéphane & Scheld, Andrew M., 2020. "Simulating the effects of environmental and market variability on fishing industry structure," Ecological Economics, Elsevier, vol. 174(C).
    4. Kiyama, Shoichi & Yamazaki, Satoshi, 2022. "Product switching and efficiency in a declining small-scale fishery," Ecological Economics, Elsevier, vol. 193(C).
    5. Vasquez Caballero, Smit & Salgueiro-Otero, Diego & Ojea, Elena, 2023. "The Role of Catch Portfolios in Characterizing Species' Economic Linkages and Fishers' Responses to Climate Change Impacts," Ecological Economics, Elsevier, vol. 205(C).
    6. Andrés Vargas Perez & Sebastián Restrepo & David Díaz Florian, 2022. "Diversificación del portafolio pesquero estabiliza las capturas y el ingreso. Evidencia de una pesquería artesanal en Colombia," Documentos Departamento de Economía 20749, Universidad del Norte.

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