A predictive indicator assessing effect of cropping system and surrounding landscape on biodiversity

•I-BIO is a predictive tool and decision aid for advisers.•I-BIO aims to assess impacts of management on four taxonomic groups.•One novelty lies in the assessment of direct and indirect impacts on trophic chain.•I-BIO outputs were compared with field observations for all taxonomic groups.•Validation results tend to be better for taxonomic groups linked to soil.