ORIGINAL RESEARCH article
Front. Mar. Sci.
Sec. Marine Affairs and Policy
Volume 12 - 2025 | doi: 10.3389/fmars.2025.1420203
Assessing public support for commercial fishing in the ocean twilight zone considering climate tradeoffs and ocean literacy
Provisionally accepted- 1Woods Hole Oceanographic Institution, Woods Hole, United States
- 2Scripps College, Claremont, California, United States
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Biomass in the mesopelagic or "twilight" zone (OTZ) of the ocean is estimated to be 10-100 times that of current annual capture fishery production and plays a fundamental role in regulating global climate via both biological and physical processes. Recently, OTZ fisheries have gained commercial attention to support aquaculture feed production. However, scientific uncertainty remains about the OTZ's link to carbon cycling processes making it difficult to craft a comprehensive policy to regulate human intervention and mitigate negative consequences. We distribute a choice experiment among U.S. residents to estimate the potential social benefit associated with expanding OTZ fisheries and whether ocean literate individuals experience a different degree of benefits. We find that ocean literate individuals are more likely to support positive levels of OTZ sourced seafood production relative to non-ocean literate individuals. Average individual annual benefits range from $1.84 -$124.74 conditional on ocean literacy and harvest policy attributes. Ocean literate individuals are estimated to experience benefits 2-3 times higher than those that are not ocean literate across all harvest policy scenarios suggesting significant heterogeneity in the distribution of OTZ-derived benefits conditional on ocean literacy. While our results suggest significant social benefits to be gained from expanding OTZ fishery production, back of the envelope calculations suggest rapid development of OTZ fishing would likely induce social costs more than 10x that of any benefits experienced. As such, we recommend careful exercise of the precautionary principle in consideration of mesopelagic governance approaches and industry expansion.
Keywords: choice experiment, mesopelagic, Carbon Capture, Seafood, Ocean literacy
Received: 19 Apr 2024; Accepted: 30 Jun 2025.
Copyright: © 2025 Weir, Lozinsky and Jin. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Michael Weir, Woods Hole Oceanographic Institution, Woods Hole, United States
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