DNA concentrations (mean values of 2 replicates) over time (x axis: 1D – 1 day; 1W – 1 week; 1M – 1 month) for the three preservation methods (blue: ET, yellow: FR, grey: RL) for marine sites (top row) and freshwater sites (middle and last rows).

 
 
  Part of: Baricevic A, Chardon C, Kahlert M, Karjalainen SM, Pfannkuchen DM, Pfannkuchen M, Rimet F, Tankovic MS, Trobajo R, Vasselon V, Zimmermann J, Bouchez A (2022) Recommendations for the preservation of environmental samples in diatom metabarcoding studies. Metabarcoding and Metagenomics 6: e85844. https://doi.org/10.3897/mbmg.6.85844