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Investigating the influence of light pollution on the bioeconomic dynamics of fisheries

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Abstract

This work seeks to demonstrate how light pollution impacts fishing activities, including catch rates and the profits of fishermen. Our goal is to examine how light pollution affects the fishing dynamics of sardines and anchovies in the Casablanca-Rabat region of Morocco, within a bioeconomic framework involving these two marine populations. In this article, we show that our model is well posed by studying the positivity and the boundedness of our system, and then we show the local stability of the interior equilibrium point. Then, we move on to calculating the fishing effort that maximizes fishermen’s profits and catches under two main constraints: The influence of light pollution on the sustained viability of the sardine and anchovy populations. Using data reported by the National Fisheries Research Institute (INRH), we obtain detailed results in numerical simulations.

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Correspondence to Nossaiba Baba.

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Baba, N., Hafdane, M., Agmour, I. et al. Investigating the influence of light pollution on the bioeconomic dynamics of fisheries. J Coast Conserv 28, 23 (2024). https://doi.org/10.1007/s11852-023-01027-w

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