August 15, 2025SustainabilityOpen Access

Spatial Heterogeneity of Heavy Metals in Arid Oasis Soils and Its Irrigation Input–Soil Nutrient Coupling Mechanism

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This analysis reveals significant spatial heterogeneity of heavy metals in soils, indicating irrigation water's specific impact in arid oases.

Heavy metals exhibited significant spatial heterogeneity in arid oasis soils, with unique distributions across land types and high ecological risk.
For example, arsenic levels were notably higher in arable land (5.27–40.20 μg/g), influenced by agriculture and local geology.
By employing inverse distance weighting interpolation, the study quantitatively assessed influences of irrigation water and land use on soil attributes.
Findings suggest that management strategies must consider both natural and human factors to effectively control pollution in oasis ecosystems.

Liu et al. (2025) studied this question.

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This analysis reveals significant spatial heterogeneity of heavy metals in soils, indicating irrigation water's specific impact in arid oases.