Articles | Volume 6-osr9
https://doi.org/10.5194/sp-6-osr9-9-2025
https://doi.org/10.5194/sp-6-osr9-9-2025
30 Sep 2025
 | OSR9 | Chapter 3.2
 | 30 Sep 2025 | OSR9 | Chapter 3.2

Mediterranean marine heatwave 2023: ecosystem and fisheries impacts in Italian waters

Riccardo Martellucci, Francesco Tiralongo, Sofia F. Darmaraki, Michela D'Alessandro, Giorgio Mancinelli, Emanuele Mancini, Roberto Simonini, Milena Menna, Annunziata Pirro, Diego Borme, Rocco Auriemma, Marco Graziano, and Elena Mauri

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Cited articles

Ahrens, J. B., Borda, E., Barroso, R., Paiva, P. C., Campbell, A. M., Wolf, A., Nugues, M. M., Rouse, G. W., and Schulze, A.: The curious case of Hermodice carunculata (Annelida: Amphinomidae): evidence for genetic homogeneity throughout the Atlantic Ocean and adjacent basins, Mol. Ecol., 22, 2280–2291, https://doi.org/10.1111/mec.12263, 2013. 
Alter, K., Jacquemont, J., Claudet, J., Lattuca, M. E., Barrantes, M. E., Royer, C., Cormier, M., Ferrari, R., Cominassi, L., Crochelet, E., Boudouresque, C. F., and Lejeusne, C.: Hidden impacts of ocean warming and acidification on biological response of marine animals revealed through meta-analysis, Nat. Commun., 15, 2885, https://doi.org/10.1038/s41467-024-47064-3, 2024. 
Ambati, R. R., Phang, S. M., Ravi, S., and Aswathanarayana, R. G.: Astaxanthin: sources, extraction, stability, biological activities and its commercial applications – A review, Mar. Drugs, 12, 128–152, https://doi.org/10.3390/md12010128, 2014. 
Anger, K.: The biology of decapod crustacean larvae, AA Balkema Publishers, Lisse, Vol. 14, 1–420, ISBN 9026518285, 2001. 
Azzurro, E., Sbragaglia, V., Cerri, J., Bariche, M., Bolognini, L., Ben Souissi, J., and Moschella, P.: Climate change, biological invasions, and the shifting distribution of Mediterranean fishes: A large-scale survey based on local ecological knowledge, Glob. Change Biol., 25, 2779–2792, https://doi.org/10.1111/gcb.14724, 2019. 
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In 2023, global mean air temperatures reached unprecedented highs and the Mediterranean was hit by the longest marine heatwave in four decades. These conditions favoured the spread of invasive species affecting fisheries in the central Mediterranean. This study provides new insights into the cascading impacts of climate-driven extreme events on marine ecosystems and fisheries and suggests actionable strategies for dealing with invasive species in a changing climate.
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