Fig. 4: Agricultural management-dependent effects of soil compaction on microbial community structure.

Differences in soil prokaryotic (A) and fungal (B) community structure across the three different agricultural management systems, including the permanent ley (PL, green), as well as the crop rotations with conventional (CT, brown) and no tillage (NT, orange) in response to the full areal (red) and track only (yellow) compaction treatments in comparison with the uncompacted control (light green), as obtained by canonical analysis of principal coordinates (CAP). The amount of between group variation of each CAP axis is provided in parenthesis. The overall CAP reclassification success rates for both CAP models are provided in parentheses next to the domain name. The CAP reclassification success rate provides a quantitative estimation of the degree of discrimination between treatment groups.