Column names for files: "macrofauna-colonization.csv" "macrofauna-surber.csv" "meiofauna-colonization.csv" "trait.csv" refer to: code= taxa by family or genus cm= colonization meiofauna S= surber Cmacro= colonization macrofauna g=gravel s=sand a=april o=october j=july c=control w=wood rep1,2,3=replicates of the sample "environmental_data.csv" Mean Water Depth (MW), Discharge (Q), Conductivity (EC), Dissolved Oxygen (DO), Temperature (T), Median Grain Size (MDGS), Sorting Coefficient (SO), Skewness (SK), Sediment Organic Matter (OM), Oxygen Depth (OD), Ammonium NH4+ , Nitrate NO3- , Nitrite NO2-, Phosphate (SRP). Detection limit of 0.1 mg NL-1 for Nitrate, 0.01mg NL-1 for Nitrite, and 0.3 mg N L-1 for Ammonium. MW (m) Q (m3/s) Physical variables EC (µS cm-1) DO (%) pH T (°C) D10 (µm) D90 (µm) MDGS (µm) SO (µm) SK (µm) OM (%) OD (cm) NH4+ (mg NL-1) NO3- (mg NL-1) NO2 -(mg NL-1) SRP (mg PO4 L-1)