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Soil science literature divided the soil biodiversity into ?three broad functional groups called chemical engineers, biological regulators and ecosystem engineers.? The paper pointed out (by the aim of the microscopic tools) the main ecosystem services provided by the biodiversity of (micro) organisms living into the soil at the organic-inorganic interface, where they built a favorable environment for themselves, the crop roots, and the entire ecosystem. The studied sites are located into different pedolandscapes ...

The paper objective was to emphasize the quality of the biodiversity life in an anthropic polluted soil and to underline the influence of the biological activity on the evolution and self-remediation of this soil. The studied site is located in the Apuseni Mountains, in the Ampoi Valley, on a slope ? 25%, facing north, under pine plantation. In the area, the prevailing soils are Cambisols and Luvisols formed into the coarse slope deposits dominated by sandstones. The site pollution was due to the atmospheric emiss...