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Insights into bioaccumulation and bioconcentration of potentially toxic elements in marine sponges from the Northwestern Mediterranean coast of Morocco
Krikech, I.; Ranjbar Jafarabadi, A.; Leermakers, M.; Le Pennec, G.; Cappello, T.; Ezziyyani, M. (2022). Insights into bioaccumulation and bioconcentration of potentially toxic elements in marine sponges from the Northwestern Mediterranean coast of Morocco. Mar. Pollut. Bull. 180: 113770. https://dx.doi.org/10.1016/j.marpolbul.2022.113770
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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| Trefwoord |
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| Author keywords |
Filter-feeders; Bioindicators; Trace metal elements; Sediments; Coastal waters; Source apportionment |
| Auteurs | | Top |
- Krikech, I., meer
- Ranjbar Jafarabadi, A.
- Leermakers, M., meer
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- Le Pennec, G.
- Cappello, T.
- Ezziyyani, M.
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| Abstract |
The present research aimed to investigate the concentrations and patterns of six potentially toxic elements (PTEs) in three common sponge species collected along the Moroccan Mediterranean coast, as well as their levels in ambient seawater and sediments. Distinct inter-species variability in PTEs bioaccumulation was observed among the three species, suggesting that sponges have distinct selectivity for assimilating PTEs from the surrounding environment. C. crambe had a higher enrichment capacity for Cu, As, Cr and Ni, while P. ficiformis and C. reniformis exhibited the highest concentration of Cd and Pb, respectively. Interestingly, a similar spatial distribution patterns of PTEs was observed in the three media, with high values occurring in Tangier and Al-Hoceima locations. Overall, our results confirm that sponges reliably reflect the bioavailability of PTEs in their immediate environment, especially C. crambe, whose PTE tissue contents were highly and positively correlated with the contents of all PTEs in the sediments. |
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