Data from: DNA metabarcoding successfully quantifies relative abundances of arthropod taxa in songbird diets

Yvonne Verkuil
1. Ecological research is often hampered by the inability to quantify animal diets. Large-scale changes in arthropod diversity, abundance and phenologies urge the need to understand the consequences for trophic interactions. Diet composition of insectivorous predators can be tracked through DNA metabarcoding of faecal samples, but to validate the quantitative accuracy of metabarcoding, validation using free-living animals for which their diet can be approximated, is needed. 2. This validation study assesses the use of DNA...
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