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Quantifying socio-economic novelty in fisheries social-ecological systems
Stockholm University, Faculty of Science, Stockholm Resilience Centre.ORCID iD: 0000-0002-3968-2008
Stockholm University, Faculty of Science, Stockholm Resilience Centre.ORCID iD: 0000-0001-8405-8717
Stockholm University, Faculty of Science, Stockholm Resilience Centre.ORCID iD: 0000-0002-6991-7680
2022 (English)In: Fish and Fisheries, ISSN 1467-2960, E-ISSN 1467-2979, Vol. 23, no 2, p. 445-461Article in journal (Refereed) Published
Abstract [en]

Socio-economic development has shaped fisheries social-ecological systems (SES) worldwide across different scales. No work has yet undertaken how this development led to novel, not experienced before, systems structure in marine SES. Here, we quantify socio-economic novelty as the degree of dissimilarity relative to a specific spatiotemporal baseline in the Baltic Sea fisheries SES between 1975 and 2015. We used catch by "gears," catch by "commercial groups" and trade ("import" and "export") as respective indicators of novelty at national, regional and international governance levels. We found that socio-economic novelty increased over time nonlinearly in relation to the 1975–1979 baseline. The contribution to total novelty shifted from the dominance of “gears” and “commercial groups” in the late 1990s and early 2000s to “import” and “export” after the mid-2000s, i.e. from national and regional levels to the international level. The fastest increase in novelty occurred with the trade dominance shift, primarily related to monetary value rather than quantity. Spatially, novelty emerged with a large difference across countries, and a major contribution by Sweden, Denmark and Poland. We identified the influence of different management interventions and governance actions on the emergence of novelty in the Baltic SES. The decreasing socio-economic novelty at national and regional levels could indicate reduced variability due to management intervention in recent years which might decrease SES resilience to shocks. Calculating socio-economic novelty and studying its drivers at different scales could provide a better understanding of SES complexity and inform urgently needed adaptation and transformation towards sustainable future pathways. 

Place, publisher, year, edition, pages
2022. Vol. 23, no 2, p. 445-461
Keywords [en]
Baltic Sea fisheries, complex adaptive systems, fishery products trade, governance levels, marine social-ecological systems, socio-economic novelty
National Category
Environmental Sciences Agricultural Science, Forestry and Fisheries
Identifiers
URN: urn:nbn:se:su:diva-197993DOI: 10.1111/faf.12626ISI: 000714862500001OAI: oai:DiVA.org:su-197993DiVA, id: diva2:1605470
Available from: 2021-10-24 Created: 2021-10-24 Last updated: 2022-02-25Bibliographically approved
In thesis
1. Novelty in the Anthropocene: Exploring past and future novelty in marine social-ecological systems
Open this publication in new window or tab >>Novelty in the Anthropocene: Exploring past and future novelty in marine social-ecological systems
2021 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Humans have become the major driving force of change, deeply affecting the Earth system and the biosphere. In marine ecosystems specifically, climate-related environmental changes and anthropogenic pressures (e.g., fishing, the introduction of new species, nutrient load) have altered the structures and functioning of social-ecological systems (SES). These changes have created novel, never encountered before, SES dynamics. Novelty, a natural process of SES dynamics, has accelerated due to human activities. On the one hand, novelty allows SES to adapt to change, including maintaining their functions and resilience. On the other hand, the fast-emerging novelty in the Anthropocene epoch is unpredictable and increases the uncertainty related to management and predicting models. Despite consensus on the need for acknowledging novelty in SES, there is much confusion associated with this concept. This thesis provides a unifying conceptualization of novelty in SES by linking Complex Adaptive Systems theories and ecological novelty concepts. The papers that make up this thesis are an empirical contribution to understanding novelty in marine SES in the past and future. Novelty was measured in multiple social and ecological components of the Baltic Sea SES across different temporal and spatial scales. Although novelty is important for SES adaptation to change, it can be a problem or a solution - depending on its rate, drivers, and scale. There is a need to foster novelty that could enhance SES resilience and sustainability, in order to achieve good environmental status in marine ecosystems and for human wellbeing.

Place, publisher, year, edition, pages
Stockholm: Stockholm Resilience Centre, Stockholm University, 2021. p. 53
Keywords
Novelty, marine ecosystems, Social-Ecological Systems, Baltic Sea, Complex Adaptive Systems
National Category
Earth and Related Environmental Sciences
Research subject
Sustainability Science
Identifiers
urn:nbn:se:su:diva-198093 (URN)978-91-7911-676-7 (ISBN)978-91-7911-677-4 (ISBN)
Public defence
2021-12-10, Vivi Täckholmsalen (Q-salen), NPQ-huset, Svante Arrhenius väg 20, and online via Zoom, public link is available at the department website, Stockholm, 14:00 (English)
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Supervisors
Available from: 2021-11-17 Created: 2021-10-26 Last updated: 2022-02-25Bibliographically approved

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Ammar, YosrNiiranen, SusaBlenckner, Thorsten

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