Geospatial evaluation and bio-remediation of heavy metal-contaminated soils in arid zones

• DOI: 10.3389/fenvs.2024.1381409
• Publication Date: 2024-04-16T04:36:33Z
• Authors: Elsayed Said Mohamed; Mohamed E. M. Jal...; Ehab Hendawy; Ahmed M. El-Adly; Said Nawar; Nazih Y. Rebouh; Ahmed Saleh; Mohamed. S. Shokr
• Keywords: Soil Quality; Soil test

Introduction: Soil pollution directly impacts food quality and the lives of both humans animals. The concentration heavy metals in Egypt’s drain-side soils is rising, which detrimental to soil crops. key reducing effects on ecosystem having accurate maps spatial distribution subsequent use environmentally sustainable remediation approaches. objective this work assess contamination utilizing mapping metals, determine levels using Principal Component Analysis (PCA), calculate severity potential for bioremediation surrounding main drain Bahr El-Baqar. Furthermore, evaluating capacity microorganisms (bacteria, fungi, “Actinomycetes) degrade elements soil. Methodology: 146 sample locations were randomly selected near El-Baqar examine degree Ordinary Kriging (OK), method was used map analyze by seven (Cr, Fe, Zn, Cd, Pb, As, Ni). Modified (mCd) PCA research area’s levels. process involved isolating, identifying, classifying present study area. findings showed that variography suggested Stable model effectively matched pH, SOM, Cd values. exponential proved suitable predicting Pb Ni, while spherical appropriate Cr, Zn. Results: revealed three contamination, with an extremely high (EHDC) affecting approximately 97.49% EHDC exhibited average concentrations metals: 79.23 ± 17.81 20,014.08 4545.91 201.31 112.97 1.33 1.37 40.96 26.36 211.47 13.96 46.15 9.72 Ni. Isolation identification a significant influence breakdown organic inorganic pollutants environment. demonstrated exceptionally removal efficiency As reached 100%, achieved Rhizopus oryzae , Pseudomonas aeruginosa Bacillus thuringiensis . Conclusion: This has designated management zones pollutants, geo-identified them, found could significantly reduce