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  • Title: Assessment of adverse effects of olive mill waste water and olive mill waste contaminated soil on springtail Folsomia candida.
    Author: Kovačević M, Stjepanović N, Trigui S, Hackenberger DK, Lončarić Ž, Jovanović Glavaš O, Kallel A, Hackenberger BK.
    Journal: Chemosphere; 2022 Aug; 300():134651. PubMed ID: 35447214.
    Abstract:
    In recent years significant attention has been given to the problem of olive mill waste towards the environment. Still, there is a considerable gap in the knowledge of the impact of the olive mill wastewater (OMWW) and the olive mill waste contaminated soil (OMW CS) on non-target soil organisms. Springtails, as an important group of non-target soil organisms, are frequently used in ecotoxicological research. However, information on olive mill waste impact on the model species Folsomia candida is scarce. Therefore, in this study, we determined the effects of OMWW and OMW CS on survival, reproduction, neurotoxicity, oxidative stress, and available energy in springtail F. candida. The exposure to different ratios of OMWW and OMW CS showed higher toxicity of OMW CS in terms of survival (LC50 = 32.34% of OMWW; LC50 = 45.36% of OMW CS) and reproduction (EC50 = 10.10% of OMWW; EC50 = 19.44% of OMW CS). Furthermore, neurotoxicity (AChE induction), oxidative stress (SOD, GST, and MDA induction), and changes in available energy (decrease in lipid and carbohydrate content) have been observed. Those negative effects are likely consequences of the high phenol content specific to OMWW and OMW CS. Obtained results indicate that for the ecotoxicological assessment of various wastes it is essential to consider different tier level biomarkers to have a clear insight into the mechanism of action.
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