The alarming effects of rising sea temperatures
When Climate Change Traps Dolphins
French The waters of the Bay of Biscay are facing an unprecedented ecological challenge. For several years, a concerning increase in accidental common dolphin bycatch has been observed, raising urgent questions regarding the protection of our marine biodiversity.
Thanks to the major findings of the Delmoges research project, we now have a better understanding of the complex mechanism at play: global warming is altering water temperatures and the nutritional quality of the dolphins' usual prey, such as sardines and anchovies. Consequently, these fish are moving closer to coastal areas, drawing dolphin populations along with them. This spatial shift concentrates the cetaceans in heavily frequented fishing zones, mechanically increasing the risk of fatal interactions with fishing gear. This article analyzes the close links between climate change, ecosystem disruption, and the resulting challenges for the fishing industry.