The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea

Abstract Water stress is an urgent issue in many regions worldwide, particularly in southern European countries. This study reveals the consequences of decreased freshwater flow on marine ecosystems in the Mediterranean Sea due to climate change and escalating water demands. A 41% reduction in river...

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Main Authors: Diego Macias, Berny Bisselink, Cesar Carmona-Moreno, Jean-Noël Druon, Olaf Duteil, Elisa Garcia-Gorriz, Bruna Grizzetti, Jordi Guillen, Svetla Miladinova, Alberto Pistocchi, Chiara Piroddi, Luca Polimene, Natalia Serpetti, Adolf Stips, Ioannis Trichakis, Angel Udias, Olga Vigiak
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-54979-4
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author Diego Macias
Berny Bisselink
Cesar Carmona-Moreno
Jean-Noël Druon
Olaf Duteil
Elisa Garcia-Gorriz
Bruna Grizzetti
Jordi Guillen
Svetla Miladinova
Alberto Pistocchi
Chiara Piroddi
Luca Polimene
Natalia Serpetti
Adolf Stips
Ioannis Trichakis
Angel Udias
Olga Vigiak
author_facet Diego Macias
Berny Bisselink
Cesar Carmona-Moreno
Jean-Noël Druon
Olaf Duteil
Elisa Garcia-Gorriz
Bruna Grizzetti
Jordi Guillen
Svetla Miladinova
Alberto Pistocchi
Chiara Piroddi
Luca Polimene
Natalia Serpetti
Adolf Stips
Ioannis Trichakis
Angel Udias
Olga Vigiak
author_sort Diego Macias
collection DOAJ
description Abstract Water stress is an urgent issue in many regions worldwide, particularly in southern European countries. This study reveals the consequences of decreased freshwater flow on marine ecosystems in the Mediterranean Sea due to climate change and escalating water demands. A 41% reduction in river flow may result in a 10% decline in marine primary productivity and a 6% decrease in biomass of commercial fish and invertebrate species. Regional reductions could be as high as 12% and 35%, disrupting coastal and marine ecosystems and their related socio-economic sectors. The findings emphasize the importance of considering nutrient load changes in water management strategies and incorporating marine ecosystem requirements into environmental flow requirements for freshwater bodies. Integrated, source-to-sink management approaches are crucial for sustainable water resource utilization.
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series Nature Communications
spelling doaj-art-8444b2ea4967495fbadc8f59a6253e012025-02-09T12:44:49ZengNature PortfolioNature Communications2041-17232025-02-0116111110.1038/s41467-024-54979-4The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean SeaDiego Macias0Berny Bisselink1Cesar Carmona-Moreno2Jean-Noël Druon3Olaf Duteil4Elisa Garcia-Gorriz5Bruna Grizzetti6Jordi Guillen7Svetla Miladinova8Alberto Pistocchi9Chiara Piroddi10Luca Polimene11Natalia Serpetti12Adolf Stips13Ioannis Trichakis14Angel Udias15Olga Vigiak16European Commission, Joint Research Centre (JRC)Unisystems Luxembourg Sàrl, L-8070European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)Duteil Environmental Numerics, Reventloustrasse, 17European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)Bulgarian Academy of Science, Institute of MechanicsEuropean Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)European Commission, Joint Research Centre (JRC)Abstract Water stress is an urgent issue in many regions worldwide, particularly in southern European countries. This study reveals the consequences of decreased freshwater flow on marine ecosystems in the Mediterranean Sea due to climate change and escalating water demands. A 41% reduction in river flow may result in a 10% decline in marine primary productivity and a 6% decrease in biomass of commercial fish and invertebrate species. Regional reductions could be as high as 12% and 35%, disrupting coastal and marine ecosystems and their related socio-economic sectors. The findings emphasize the importance of considering nutrient load changes in water management strategies and incorporating marine ecosystem requirements into environmental flow requirements for freshwater bodies. Integrated, source-to-sink management approaches are crucial for sustainable water resource utilization.https://doi.org/10.1038/s41467-024-54979-4
spellingShingle Diego Macias
Berny Bisselink
Cesar Carmona-Moreno
Jean-Noël Druon
Olaf Duteil
Elisa Garcia-Gorriz
Bruna Grizzetti
Jordi Guillen
Svetla Miladinova
Alberto Pistocchi
Chiara Piroddi
Luca Polimene
Natalia Serpetti
Adolf Stips
Ioannis Trichakis
Angel Udias
Olga Vigiak
The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
Nature Communications
title The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
title_full The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
title_fullStr The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
title_full_unstemmed The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
title_short The overlooked impacts of freshwater scarcity on oceans as evidenced by the Mediterranean Sea
title_sort overlooked impacts of freshwater scarcity on oceans as evidenced by the mediterranean sea
url https://doi.org/10.1038/s41467-024-54979-4
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