Challenges in quantifying, interpreting and predicting distributional shifts of marine species

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  • Author: Marshall, C. Tara

    University of Aberdeen, United Kingdom

  • Author: Audzijonyte, Asta

    University of Tasmania, Australia

  • Author: Baudron, Alan

    University of Aberdeen, United Kingdom

  • Author: Champion, Curtis

    University of Tasmania, Australia

  • Author: Fallon, Niall

    University of Aberdeen, United Kingdom

  • Author: Haynie, Alan C.

    Alaska Department of Fish and Game, United States

  • Author: Haltuch, Melissa

    Northwest Fisheries Sciences Centre, United States

  • Author: Townhill, Bryony

    Centre for the Environment Fisheries and Aquaculture Science, United Kingdom

  • Author: van Denderen, Pieter Daniël

    Centre for Ocean Life, National Institute of Aquatic Resources, Technical University of Denmark, Kemitorvet, 2800, Kgs. Lyngby, Denmark

  • Author: Pecl, Gretta

    University of Tasmania, Australia

  • Author: Pinnegar, John K.

    Centre for the Environment Fisheries and Aquaculture Science, United Kingdom

  • Author: Pinsky, Malin L.

    Rutgers University, United States

  • Author: Spencer, Paul

    Alaska Department of Fish and Game, United States

  • Author: Stawitz, Christine

    University of Washington, United States

  • Author: Thorsen, Jim

    Alaska Department of Fish and Game, United States

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Oceans are absorbing approximately 80% of the extra heat and 50% of additional CO2 trapped in the atmosphere and, as a result, have undergone rapid changes in temperature and acidity. The evidence for climate-driven global re-distribution of marine species is growing but often based on the distribution of fish species, many of which are mobile and able to rapidly shift their ranges in response to changing environmental conditions. Standardised surveys are commonly used for inferring spatial distribution, however, there are many examples of species moving beyond the bounds of a survey which then limits our understanding. Additionally, there are often non-climate factors that confound the interpretation of range shifts, e.g. fishing or habitat changes. Quantifying the magnitude and rates of distributional shifts is further complicated by the variety of metrics that are used to describe historical species distributions and then contemporary changes in these distributions. Accurately specifying both the suite of drivers underpinning range shifts and the magnitude of range shifts is essential due to the societal importance of marine species for food, local economies and future projections of commercial fish species. Here, based on a cross-comparison of methodological approaches from a range of globally important marine ecosystems, we make recommendations for appropriate approaches to the collection, analysis and interpretation of data describing the abundance and location of marine species.
Original languageEnglish
Publication date2019
Number of pages1
Publication statusPublished - 2019
EventSpecies on the Move - Kruger National Park, South Africa
Duration: 22 Jul 201926 Jul 2019
http://www.speciesonthemove.com/

Conference

ConferenceSpecies on the Move
LocationKruger National Park
CountrySouth Africa
Period22/07/201926/07/2019
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