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| one publication added to basket [351421] |
Metals and metalloids concentrations in three genotypes of pelagic Sargassum from the Atlantic Ocean Basin-scale
Cipolloni, O.-A.; Gigault, J.; Dassié, É.P.; Baudrimont, M.; Gourves, P.-Y.; Amaral-Zettler, L.; Pascal, P.-Y. (2022). Metals and metalloids concentrations in three genotypes of pelagic Sargassum from the Atlantic Ocean Basin-scale. Mar. Pollut. Bull. 178: 113564. https://dx.doi.org/10.1016/j.marpolbul.2022.113564
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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Sargassum fluitans
Sargassum natans (Linnaeus) Gaillon, 1828 [WoRMS]
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| Author keywords |
Metals; Metalloids; Arsenic; S. natans; S. fluitans; Caribbean Sea |
| Auteurs | | Top |
- Cipolloni, O.-A.
- Gigault, J.
- Dassié, É.P.
- Baudrimont, M.
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- Gourves, P.-Y.
- Amaral-Zettler, L., meer
- Pascal, P.-Y.
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| Abstract |
Since 2011, the Caribbean Islands have witnessed unprecedented massive stranding of a pelagic brown algal Sargassum spp. inducing damagesfor coastal ecosystems and economy. By accumulating heavy metals, Sargassum can play a role in contaminant transportation fromoffshore to the coast. In 2019, three genotypes of Sargassum ( S. fluitans III, S. natans I, and VIII) were sampled in seven stations along a 3400 km transect in the Atlantic Ocean. Concentrations of 15 heavy metal(loid)s elements were analyzed by Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES). Mean metal concentrations were ranked following descending order: As >Fe > Al > Mn > Cd > Zn > Ni > V > Cu > Cr > Hg. The metalloid As was the most abundant contaminant with a maximum value of 115 ppm, previously observed in the Caribbean area (80–150 ppm). At Atlantic Ocean Basin-scale, metallic element concentrations do not present spatial longitudinal gradients. Genotypes S. fluitans III and S. natans (I and VIII), present differents metal(loid)s contamination distinct patterns. |
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