Published 2024-12-16
Keywords
- Heavy Metals,
- Bioaccumulation,
- Lepturacanthus Savala,
- Seasonal Variation,
- Environmental Monitoring
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Abstract
This study investigated the seasonal bioaccumulation of seven heavy metals—lead (Pb), manganese (Mn), zinc (Zn), nickel (Ni), cadmium (Cd), chromium (Cr), and copper (Cu)—in the gills of Lepturacanthus savala at Station 1 from June 2022 to July 2023. The data were analyzed using one-way ANOVA to assess seasonal variations in metal concentrations during pre-monsoon, monsoon, and post-monsoon periods. The results revealed significant seasonal fluctuations, with Pb and Mn concentrations peaking during the monsoon season, reaching 2.1 µg/g and 1.41 µg/g, respectively, with p-values of 0.00 for both. Other metals such as Zn, Ni, Cd, Cr, and Cu showed minimal variation across seasons. These findings suggest that Pb and Mn bioaccumulate significantly during the monsoon, likely due to increased runoff, while other metals remain stable. This study emphasizes the importance of continuous monitoring of heavy metal bioaccumulation in marine species to assess potential environmental and public health risks.