EFFECTS OF LEVONORGESTREL ON CHLORELLA VULGARIS ON LOW AND REPLETE PHOSPHORUS CONCENTRATIONS
Abstract
This study investigates the effects of Levonorgestrel on Chlorella sp. under low and replete phosphorus concentrations. Levonorgestrel, a commonly used contraceptive, is an emerging aquatic contaminant with potential ecological impacts. Freshwater algae, such as Chlorella, contribute significantly to primary production, carbon sequestration, and nutrient dynamics in aquatic ecosystems. The study examined the effects of Levonorgestrel on algal productivity, oxidative stress parameters (peroxidase and malondialdehyde), under different phosphorus-dependent nutrient uptake. The results reveals that Chlorella sp. exhibits enhanced growth under high phosphorus levels implying species-specific effects of Levonorgestrel exposure, potentially disrupting ecological equilibrium in polluted aquatic environment. Further research is recommended to explore the effects of pharmaceutical contaminants effects on aquatic ecosystems to provide effective bioremediation approaches.
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