Non-metric multidimensional scaling (NMDS) ordinations for all sites (above) and for each site (next page), based on Bray-Curtis distances, taking read abundance into account. Samples are marked according to the preservation method (colour) and storage duration (shape). The three preservation methods (ET, FR and RL) are visualised by ellipses for the six sites (next page).

 
 
  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