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Natural and anthropogenic particulate-bound aliphatic and polycyclic aromatic hydrocarbons in surface waters of the Gulf of Gabes (Tunisia, southern Mediterranean Sea)

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Academic year: 2021

Partager "Natural and anthropogenic particulate-bound aliphatic and polycyclic aromatic hydrocarbons in surface waters of the Gulf of Gabes (Tunisia, southern Mediterranean Sea)"

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Fig. 1 Location of the study stations in the northern and southern coasts of Sfax city, Mahrès delegation, Kerkennah Islands and Gabès-Ghannouch area, in the Gulf of Gabès (southeastern Mediterranean Sea, Tunisia)
Table 1 Particulate aliphatic (AHs) and polycyclic aromatic (PAHs) hydrocarbons: concentrations and ratios Stations R (μg L −1 ) CPI 15–40 Pr/ Phy Ter/aq MH ∑ 16 PAHs (ng L −1 ) ∑ 19 PAHs -P(ng L −1 ) ∑ 29 PAHs -P+A(ng L −1 ) LMW/HMW P+A Alk/Par Flt/ (Pyr
Fig. 2 Principal component analysis (PCA) of hydrocarbon dataset. a Correlation circle
Fig. 3 Box-and-whisker plots of main hydrocarbon parameters with regard to the four clusters identified from the hierarchical ascendant classification
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