Data and R scripts for: Divergence from temperate models: Pollution dominance and stochastic assembly in a continental freshwater system under compressed modernity

This dataset contains the cleaned data and R scripts supporting the manuscript "Divergence from temperate models: Pollution dominance and stochastic assembly in a continental freshwater system under compressed modernity". The archive includes site metadata, community matrices, trait information, environmental stressors, biodiversity indices, QPEN pairwise assembly results, assembly summaries, data dictionaries, and R scripts for the main analyses.