AI Article Synopsis
- The study evaluates the levels of organochlorine pesticides (OCPs) and polycyclic aromatic hydrocarbons (PAHs) in tissues of stranded sea snakes in Sharjah, UAE, analyzing samples from 13 individuals of three species.
- Muscle, liver, and fat tissues were processed using micro-QuEChERs and analyzed with gas chromatography-mass spectrometry (GC/MS), revealing that OCPs were present in higher concentrations while PAHs were detected more frequently.
- The findings indicate significant bioaccumulation of OCPs and PAHs in sea snake tissues, with variations in OCP types detected based on tissue type and higher concentrations of OCPs compared to previous studies in marine reptiles.
Article Abstract
This study reports OCP and PAH concentrations in the tissues of stranded sea snakes from Sharjah, UAE. Samples from 10 Hydrophis lapemoides, 2 Hydrophis ornatus and 1 Hydrophis curtus were analyzed. Muscle, liver and fat tissues were extracted using micro-QuEChERs, followed by d-SPE and analyzed using GC/MS. Higher concentrations of OCPs were detected, while PAHs were more frequently detected. Significant correlations suggest that OCPs and PAHs do bioaccumulate in the tissues of sea snakes. Additionally, OCPs with lower log Kow (octanol-water partition coefficient) values were mainly detected in the muscle samples of H. lapemoides, whereas OCPs with higher log Kow values were more commonly present in the liver and fat samples. The concentrations of OCPs reported in this study were higher than those previously documented in other marine reptiles in the UAE or sea snakes from different geographical regions.
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| http://dx.doi.org/10.1016/j.marpolbul.2024.116666 | DOI Listing |
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