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Correlations of microscopic pollen concentrations and sequencing read abundances. Regressions for Alnus sp., Cupressaceae, Urticaceae as well as all three combined are shown. The top panels show the results of trnL and the bottom panels nrITS2. Comparisons are at the maximum taxonomic levels these taxa can be identified with a microscope. Pollen concentrations were converted to relative abundances for comparison to DNA relative read abundances.
