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Título: | Effects of high temperature and marine heat waves on seagrasses: Is warming affecting the nutritional value of Posidonia oceanica? |
Autor: | Stipcich, Patrizia; Beca-Carretero, Pedro CSIC ORCID; Álvarez-Salgado, Xosé Antón CSIC ORCID ; Apostolaki, Eugenia T.; Chartosia, Niki; Efthymiadis, Pavlos Theofilos; Jiménez, Carlos E.; La Manna, Gabriella; Pansini, Arianna; Principato, Elena; Resaikos, Vasilis; Stengel, Dagmar B.; Ceccherelli, Giulia | Palabras clave: | Bioindicators Carbon Climate change Fatty acids Mediterranean Sea Nitrogen Nutrients |
Fecha de publicación: | 2023 | Editor: | Elsevier | Citación: | Marine Environmental Research 184: 105854 (2023) | Resumen: | Primary producers nutritional content affects the entire food web. Here, changes in nutritional value associated with temperature rise and the occurrence of marine heat waves (MHWs) were explored in the endemic Mediterranean seagrass Posidonia oceanica. The variability of fatty acids (FAs) composition and carbon (C) and nitrogen (N) content were examined during summer 2021 from five Mediterranean sites located at the same latitude but under different thermal environments. The results highlighted a decrease in unsaturated FAs and C/N ratio and an increase of monounsaturated FA (MUFA) and N content when a MHW occurred. By contrast, the leaf biochemical composition seems to be adapted to local water temperature since only few significant changes in MUFA were found and N and C/N had an opposite pattern compared to when a MHW occurs. The projected increase in temperature and frequency of MHW suggest future changes in the nutritional value and palatability of leaves | Descripción: | 9 pages, 5 figures, 4 tables.-- Under a Creative Commons license | Versión del editor: | https://doi.org/10.1016/j.marenvres.2022.105854 | URI: | http://hdl.handle.net/10261/286454 | DOI: | 10.1016/j.marenvres.2022.105854 | ISSN: | 01411136 |
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Effects_high_temperature_OA_2023.pdf | 2,81 MB | Adobe PDF | Visualizar/Abrir | |
1-s2.0-S0141113622002999-mmc1.docx | Sup. material | 390,44 kB | Microsoft Word XML | Visualizar/Abrir |
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