https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0104134
16S rRNA Gene Survey of Microbial Communities in Winogradsky Columns | PLOS One
A Winogradsky column is a clear glass or plastic column filled with enriched sediment. Over time, microbial communities in the sediment grow in a stratified...
microbial communities