The main goals were (i) to calibrate the responses of these 47 selected parameters, namely to identify the range of their responses linked to the modification of land use, soil contamination, pedological characteristics, etc., (ii) to compare their relevance in terms of sensitivity – the quality of the response, their accessibility to specialists and non-specialists, and their applicability by experts or stakeholders, and (iii) to validate these parameters as bioindicators according to specific situations such as characterization, monitoring and assessment of soil quality or ecosystem risk.