Opin vísindi

Fisheries Management under Individual Transferable Quota Outcomes for Ecology and Equity

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dc.contributor Háskóli Íslands
dc.contributor University of Iceland
dc.contributor Stockholm University
dc.contributor.advisor Brynhildur Davidsdottir, Gunnar Stefansson
dc.contributor.author Oostdijk, Maartje
dc.date.accessioned 2021-05-03T11:03:40Z
dc.date.available 2021-05-03T11:03:40Z
dc.date.issued 2021-04-29
dc.identifier.issn 978-9935-9579-2-4
dc.identifier.uri https://hdl.handle.net/20.500.11815/2562
dc.description Thesis for double degree Stockholm University, University of Iceland
dc.description.abstract The management of marine resources pose a difficult commons problem as monitoring behavior is difficult and benefit flows from the resources are uncertain. Implementing individual transferable quota (ITQ) is a management regime in which quasi-property rights are assigned for an often mobile and uncertain environmental resource, fish or marine invertebrates. This thesis addresses sustainability impacts of ITQ’s as a fisheries management tool. The findings demonstrate that fisheries management regimes in which fisheries opportunities are allocated as quota and / or are allocated individually experience reduced overfishing compared to controls that do not have these attributes (Paper I), however the analysis found less support for transferability and no support for longer duration being associated to any change in the probability of overfishing. In addition, a longitudinal study showed that with an adaptive design ecological and economic goals could be balanced in an important mixed fishery in Iceland (Paper II), and based on such findings suggested that several policy changes could be implemented to modify the ecological risk of catch-quota balancing allowances. Additional longitudinal analyses allowed to conclude that rapid consolidation in an important small-boat fishing sector in Iceland, which may have had negative implications for local fishing communities (Paper III), and that on average since the introduction of ITQ’s total amount of quota traded stayed below around 60% for the main commercial species in the Icelandic ITQ system. Moreover, the results of Paper IV also show that in case of a credible announcement of quota revocation in the future there would be scope for policy reform. Finally, research is beginning to emerge that shows that marine species are unequally affected by climate change. In a final chapter the analyses show that under different scenarios of global change a re-shaping of the Icelandic foodweb is likely (Paper V). The re-shaping of the foodweb will be to the benefit of some resource users and to the loss of others. In general, the findings from all the analyses together demonstrate that there could be benefits to individual quota implementation for fisheries sustainability and that some of the hypothesized trade-offs could potentially be balanced, the thesis highlights ways forward in investigating the common pool problems in fisheries management.
dc.description.sponsorship Adaptation to a New Economic Reality (AdaptEconII) Marie Curie Innovative Training Network, funded by the European Commission (H2020-MSCA ITN-2015, Grant No. 675153). University of Iceland Eimpskip Fund under Project 1538- 1533105
dc.language.iso en
dc.publisher University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences
dc.rights info:eu-repo/semantics/embargoedAccess
dc.subject Fisheries management
dc.subject Equity
dc.subject Ecology
dc.subject Ecosystems
dc.subject Mixed Fisheries
dc.subject ITQ's
dc.subject Fiskveiðistjórnun
dc.subject Vistkerfi
dc.subject Vistfræði
dc.subject Auðlindafræði
dc.subject Doktorsritgerðir
dc.title Fisheries Management under Individual Transferable Quota Outcomes for Ecology and Equity
dc.type info:eu-repo/semantics/doctoralThesis
dc.contributor.department Líf- og umhverfisvísindadeild (HÍ)
dc.contributor.department Faculty of Life and Environmental Sciences (UI)
dc.contributor.school Verkfræði- og náttúruvísindasvið (HÍ)
dc.contributor.school School of Engineering and Natural Sciences (UI)

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