Meta-analysis shows both congruence and complementarity of DNA and eDNA metabarcoding to traditional methods for biological community assessment.

This is, however, an overall trend across all studies, while the distribution of log‐ratio (Figure 3a ) shows a wide range of situations, with some rare cases where the absolute log‐ratio reaches 2 (i.e., one method detected seven times more taxa at the regional scale than the other).

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