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Integrating soil physico-chemical properties and soil invertebrate bioindicators could prove a practical and robust method for assessing reclamation and soil biological quality of cultivated lands disturbed by oil and natural gas activities. Until the current study, there have been no data or analyses showing these relationships in cultivated lands. We examined a fine line between two types of disturbance (i.e., cropland, oil & gas reclaimed cropland) and the invertebrates that could tolerate these disturbed conditions. We aimed to determine 1) if crop type, age class, reclamation criteria, soil type, disturbance history (reclaimed wellsite) or a combination of these factors, influenced invertebrate abundance; 2) if invertebrate community abundance correlated with soil physico-chemical properties or with the presence of major mesofauna taxa, and 3) if reclamation efforts, plus the additional yearly cultivation activities …