Fig. 3From: Quantitative evidence synthesis: a practical guide on meta-analysis, meta-regression, and publication bias tests for environmental sciencesVisualisation of variation (heterogeneity) partitioned into different variance components: A quantifying different types of I2 from a multilevel model (3-level; see Fig. 1C) and B variance explained, R2, by moderators. Note that different levels of variances would be explained, depending on which level a moderator belongs to (study level and effect-size level)Back to article page