Fig. 6: Partial Least Squares Path Modeling depicting the direct and indirect effects of enhanced rock weathering, soil edaphic factors, and the Shannon index and the relative abundance of functional genes on greenhouse gases emissions.
From: Divergent responses of carbon and nitrogen functional genes composition to enhanced rock weathering
a CO2, b CH4, and c N2O. The black solid lines show the positive relationships, the dashed lines show the negative relationships, and the gray lines show no significant relationships. Numbers adjacent to the arrows are standardized path coefficients (•P < 0.1, *P < 0.05, **P < 0.01, ***P < 0.001).
