Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Incorporating Sea Surface Temperature into Bioeconomic Fishery Models: An Examination of Western and Central Pacific Tuna Fisheries

Version 1 : Received: 30 October 2020 / Approved: 2 November 2020 / Online: 2 November 2020 (10:09:47 CET)

A peer-reviewed article of this Preprint also exists.

DOI: 10.1007/s10818-021-09311-1


Ocean temperatures are increasing. Little work has been done to examine the effects that these changes will have on fishery production. The study at hand seeks to incorporate the influence of climate change into established bioeconomic fishery models. Stock biomass is approximated to be a function of sea surface temperature. Following a feasible generalized least squares regression using data from the Western and Central Pacific, the interaction between fishery effort and temperature is found to be statistically significant. From this model, various functional forms relating effort, catch, and temperature are specified. In particular, a function that returns an effort requirement given a target catch level and temperature forecast is generated.The importance of these tools for fishery management is explored through application to Western and Central Pacific tuna fisheries. Recommendations for extensions into future research are made and the foundation for a model of efficient effort allocation across time and the entirety of a management area, given changing temperatures, is specified.


fishery; bioeconomic; sustainability; tuna; management



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