This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Article
Maartje Oostdijk
University of Iceland
Corresponding Author
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This work is licensed under a CC BY 4.0 License. Read Full License
While several prominent studies link the use of individual transferable quotas (ITQs) to sustainable fishing, it remains unclear which attributes of this system (i.e., individual, transferable, or quota), or any other system, lead to sustainable outcomes. To test for a linkage between management systems and sustainable fishing, we systematically classified how fishing opportunities are allocated for 443 fish stocks from 1990 to 2018 to produce the largest database of its kind. Using mixed-effects models and a difference-in-differences approach, we tested the occurrence of system attributes against two metrics of sustainable fishing: mortality (i.e., overfishing) and biomass (i.e., overfished). Our results reveal that quota limits and individual allocation reduce the probability of overfishing, but offer no evidence supporting the transferability of fishing opportunities or the length of time they are held for. These results highlight the importance of considering specific attributes in the design of fisheries management systems.
Keywords
sustainable fishing, individual transferable quotas (ITQs), management systems
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This preprint is available for download as a PDF.
There is NO Competing Interest.
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Article
Maartje Oostdijk
University of Iceland
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 28 Sep, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
While several prominent studies link the use of individual transferable quotas (ITQs) to sustainable fishing, it remains unclear which attributes of this system (i.e., individual, transferable, or quota), or any other system, lead to sustainable outcomes. To test for a linkage between management systems and sustainable fishing, we systematically classified how fishing opportunities are allocated for 443 fish stocks from 1990 to 2018 to produce the largest database of its kind. Using mixed-effects models and a difference-in-differences approach, we tested the occurrence of system attributes against two metrics of sustainable fishing: mortality (i.e., overfishing) and biomass (i.e., overfished). Our results reveal that quota limits and individual allocation reduce the probability of overfishing, but offer no evidence supporting the transferability of fishing opportunities or the length of time they are held for. These results highlight the importance of considering specific attributes in the design of fisheries management systems.
Figure 1
Figure 2
Figure 3
Figure 4
This preprint is available for download as a PDF.
There is NO Competing Interest.
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