Ecological risk zoning of soil heavy metal pollution using biomarker-enhanced indexing and machine learning
Traditional soil heavy metal risk assessments suffer from fragmented indices and poor logical integration. Compared to single-chemical indicators, biomarkers more sensitively reflect biological effects and early ecological risks. To address these issues, a method for constructing a comprehensive index integrating biological and non-biological multi-indexes was proposed in this study. First, the Criteria Importance Through Intercriteria Correlation (CRITIC)-Fuzzy Biomarker Response Index (CFBRI) is developed by i…
Machine learning-based risk zoning using integrated biological and abiotic indexes improved fit and classification, with CFBRI raising R2 to 0.62 and Random Forest models reaching cross-validation accuracies of 0.888 for agricultural land and 0.905 for construction land.
Evidence
- Peer-reviewedEnvironmental Geochemistry and Health2026-09-12
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Truvace Impact Record TRV-2026-1086, v1: “Ecological risk zoning of soil heavy metal pollution using biomarker-enhanced indexing and machine learning.” Truvace, 2026-09-14. /record/TRV-2026-1086 (accessed at citation time). sha256 c6ea82504ddec875…
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