Replication Data for: Issues of under-amplification in quantitative DNA metabarcoding weaken the inference about diet of the tundra vole Microtus oeconomus

This dataset contains raw metabarcoding sequences and final filtered data used for analysing the quantitative accuracy of dietary metabarcoding by comparing relative read abundance of sequences with expected known diet composition. This relationship’s robustness is highly dependent on the system under study, calling for case-specific assessments. We found a weakly positive relationship between the number of high-throughput DNA sequences and the expected biomass proportions of food plants.