Effect of soil properties, heavy metals and emerging contaminants in the soil nematodes diversity
Among soil organisms, nematodes are seen as the most promising candidates for bioindications of soil health. We hypothesized that the soil nematode community structure would differ in three land use areas (agricultural, forest and industrial soils), be modulated by soil parameters (N, P, K, pH, SOM, CaCO3, granulometric fraction, etc.), and strongly affected by high levels of heavy metals (Cd, Pb, Zn, Cr, Ni, Cu, and Hg) and emerging contaminants (pharmaceuticals and personal care products, PPCPs). Although these pollutants did not significantly affect the total number of free-living nematodes, diversity and structure community indices vastly altered. Our data showed that whereas nematodes with r-strategy were tolerant, genera with k-strategy were negatively affected by the selected pollutants. These effects diminished in soils with high levels of heavy metals given their adaptation to the historical pollution in this area, but not to emerging pollutants like PPCPs. © 2016 Elsevier Ltd. All rights reserved.
Main Authors: | Gutiérrez, C., Fernández, C., Escuer, M., Campos-Herrera, R., Beltrán Rodríguez, Eulalia María, Carbonell, G., Rodríguez Martín, José Antonio |
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Format: | artículo biblioteca |
Language: | English |
Published: |
Elsevier
2016
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Subjects: | Soil pollution, Heavy metals, Nematode trophic groups, Pharmaceutical and personal care products, PPCPs, Ecological indices, Soil biodiversity, |
Online Access: | http://hdl.handle.net/20.500.12792/2025 http://hdl.handle.net/10261/290059 |
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