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Sustainable remediation of abandoned coal mines using vermicompost: a case study in Ledo coal mine, India.
Environ Geochem Health
January 2025
Department of Civil Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India.
Coal mining in India, especially open-cast mining, substantially strengthens the economy while concurrently causing environmental deterioration, such as soil pollution with toxic chemicals and heavy metals. This study sought to examine the efficacy of vermicompost as a remediation technique for Mine Tailing Soil (MTS) in the Ledo Coal Fields. During a 120-day duration, different concentrations of vermicompost (20%, 30%, and 40%) were administered to MTS, and the impacts on soil physicochemical parameters, fertility, and plant growth were evaluated.
View Article and Find Full Text PDFWildfire ashes: evaluating threats on the Pantanal wetland reserve (Mato Grosso, Brazil) using ecotoxicological tests.
Environ Sci Pollut Res Int
January 2025
Program in Biodiversity and Nature Conservation (UFJF), Institute of Biological Sciences (ICB), Federal University of Juiz de Fora (UFJF), University Campus, Martelos, Juiz de Fora, Minas Gerais, CEP, 36036-900, Brazil.
In 2020, the largest continuous wetland area on the planet, the Brazilian Pantanal, experienced an unprecedented fire that affected the entire ecosystem. Our goal was to elucidate the effects of ash presence following the fire events. We quantified the impact of ashes, collected in four Conservation Units, on soil, water, and atmosphere.
View Article and Find Full Text PDFAmplification of benzo[a]pyrene toxicity persistence in earthworms by polystyrene nanoplastics: From organismal health to molecular responses.
J Hazard Mater
January 2025
School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China.. Electronic address:
Typically, nanoplastics (NPs) are contaminated before entering soil, and the impact of NPs on the biotoxicity of Persistent Organic Pollutants (POPs) they carry remains unclear. This study simulated two environmentally relevant scenarios: singular exposure of benzo[a]pyrene (BaP) in soil and exposure via NPs loading (NP-BaP). Correlation analysis and machine learning revealed that injury in earthworms exposed for 28 days was significantly associated with NPs.
View Article and Find Full Text PDFA holistic approach for the evaluation of iron nanoparticles on maize plants and earthworms in natural soil.
Chemosphere
January 2025
Sustainability of Natural Resources and Energy Program, Cinvestav-Saltillo, Coahuila, C.P. 25900, Mexico.
There is a debate about the implications of the effect of nanoparticles or nanomaterials on edible plants and soil organisms. Earthworms have been used to evaluate soil quality, reproduction, survival, and other biochemical parameters when organisms are exposed to nanomaterials. Most studies have been performed in laboratory settings, and little has been studied under realistic conditions, especially when earthworms and corn plants share the same natural soil and organic matter space.
View Article and Find Full Text PDFEnzymatic activity and gene expression changes in the earthworms induced by co-exposure to beta-cypermethrin and triadimefon.
Ecotoxicology
January 2025
Anshun City Branch of Guizhou Tobacco Company, Anshun, Guizhou, China.
Pesticides often exist as complex mixtures in soil environments, yet the toxicity of these combinations has not been thoroughly investigated. In light of this, the current study aimed to assess the enzymatic activity and gene expression responses in the earthworm Eisenia fetida when exposed to a mixture of beta-cypermethrin (BCY) and triadimefon (TRI). The findings revealed that co-exposure to BCY and TRI triggered acute synergistic toxicity in E.
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