Earthworms are useful bioindicator organisms for soil biomonitoring. Recently the use of pollution biomarkers in earthworms has been increasingly investigated for soil monitoring and assessment. Earthworm coelomic fluid is particularly interesting from a toxicological perspective, because it is responsible for pollutant disposition and tissue distribution to the whole organism. The aim of the p...

Food safety is a major concern for the Chinese public. This study collected 465 published papers on heavy metal pollution rates (the ratio of the samples exceeding the Grade II limits for Chinese soils, the Soil Environmental Quality Standard-1995) in farmland soil throughout China. The results showed that Cd had the highest pollution rate of 7.75%, followed by Hg, Cu, Ni and Zn, Pb and Cr had ...

Technologies with integrated resource applications are probable solutions to the problem of soil pollution oil and petroleum products. Based on our assessment potential for recultivation a plot territory rigged out reservoir tank storage, biotechnology, including both forestry residues biological agents capable enhancing remediation processes, was developed. After having been applied, technolog...

The aim of this work was to identify in Eisenia fetida genes whose expression are regulated following exposure to a complex mixture of metallic trace elements (MTE) representative of a highly polluted smelter soil. Suppression subtractive hybridization (SSH) was used to construct cDNA libraries enriched in up- or down-regulated transcripts in the immune-circulating cells of the coelomic cavitie...

10 11 Reduced bioavailability to soil microorganisms is probably the most limiting factor in the 12 bioremediation of polycyclic aromatic hydrocarbons PAH-polluted soils. We used sunflowers 13 planted in pots containing soil to determine the influence of the rhizosphere on the ability of soil 14 microbiota to reduce PAH levels. The concentration of total PAHs decreased by 93% in 90 days 15 when...

A pot experiment was conducted to examine the effects of.various fertilizers on the dynamics of soil-borne DDTs and their subsequent impacts on DDTs uptake by a test plant. The results show that there was a significantly lower soil residual DDTs concentration in the iron-rich fertilizer-treated soil than in other fertilizer-treated soils. However, all the non-iron-rich fertilizers showed no sig...