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NOAA Fisheries Northwest Science Center Publication Details

CitationGomes, D.G.E., Ruzicka, J.J., Crozier, L.G., Huff, D. D., Brodeur, R. D. and Stewart, J. D. 2024. Marine heatwaves disrupt ecosystem structure and function via altered food webs and energy flux. Nat Commun 15, 1988. https://doi.org/10.1038/s41467-024-46263-2 (https://doi.org/10.1038/s41467-024-46263-2)
TitleMarine heatwaves disrupt ecosystem structure and function via altered food webs and energy flux
Publication Year2024
Volume15
Pages1988
Keywordsecosystem model, marine heatwave, food web
AbstractThe prevalence and intensity of marine heatwaves is increasing globally, disrupting local environmental conditions. The individual and population-level impacts of prolonged heatwaves on marine species have recently been demonstrated, yet whole-ecosystem consequences remain unexplored. We compare ecosystem models parameterized before and after the onset of recent heatwaves to evaluate the cascading effects on ecosystem structure and function in the Northeast Pacific Ocean. While the ecosystem-level contribution, as prey, and demand, as predators, of most functional groups changed, gelatinous taxa experienced the largest transformations, underscored by the arrival of northward-expanding pyrosomes. Despite altered trophic relationships and energy flux, the post-heatwave ecosystem appears stable, suggesting a shift to a novel ecosystem state, with potentially profound consequences for ecosystem structure, energy flows, and threatened and harvested species.
Official CitationGomes, D.G.E., Ruzicka, J.J., Crozier, L.G., Huff, D. D., Brodeur, R. D. and Stewart, J. D. 2024. Marine heatwaves disrupt ecosystem structure and function via altered food webs and energy flux. Nat Commun 15, 1988. https://doi.org/10.1038/s41467-024-46263-2
Links (https://doi.org/10.1038/s41467-024-46263-2)