Measurement of some trace elements in the sediment and species Telescopium telescopium (Linnaeus,1758) in Azini Lagoon
2023
Ahmad Saberi Hakami | Mohammad Reza Taherizadeh
The study conducted in June 2022 at Azini Lagoon aimed to assess trace element concentrations within sediment and Telescopium telescopium species. Thirty T. telescopium gastropod specimens were collected from sediment surfaces, alongside six sediment samples acquired using a plastic shovel. Analysis revealed a sequence of metals in sediment samples: Fe ˃ Ni ˃ V ˃ Pb ˃ Cd, while T. telescopium muscle tissue exhibited: Fe ˃ Pb ˃ Ni ˃ V ˃ Cd. Notably, average concentrations of nickel, lead, vanadium, and iron in surface sediments surpassed those found in T. telescopium (P≤0.05). Conversely, no significant difference was observed in cadmium concentration between sediment and T. telescopium (P≥0.05). Moreover, sediment bioaccumulation of elements was computed to be lower than one, indicating insignificant element bioaccumulation in sediment, except for cadmium, which exceeded this threshold. Enrichment values for the mentioned elements, excluding nickel, suggested no enrichment in the region's surface sediments. Additionally, calculated land accumulation values for all elements in Azini Lagoon sediments indicated a non-contaminated state, implying that these elements hadn't induced specific pollution in the area.
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