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Table 1 Results of median-based bootstrap hypothesis tests measuring for significant changes in physicochemical parameters between pre- and post- intervention time points, at Calumet and O’Brien WRP sites

From: Microbiome response in an urban river system is dominated by seasonality over wastewater treatment upgrades

 

Calument region

O’Brien Region

Bootstrap test statistic

p-value

Adjusted p-value

Bootstrap test statistic

p-value

Adjusted p-value

Chlorophyll (ug/L)

1.6

0.433

1.000

 − 0.6

0.807

1.000

Dissolved oxygen (mg/L)

0.25

0.514

1.000

0.215

0.623

1.000

NO2/NO3 (mg/L)

0.1745

0.486

1.000

0.52

0.585

1.000

NH3 (mg/L)

 − 0.165

0.009

0.101

 − 0.19

0.614

1.000

Total phosphorus (mg/L)

 − 0.21

0.514

1.000

0.573

0.057

0.672

Volatile suspended solids (mg/L)

0

1.000

1.000

0

1.000

1.000

Total organic carbon (mg/L)

–0.2

0.284

1.000

0.05

0.762

1.000

Conductivity (ms)

0.0195

0.484

1.000

 − 0.0355

0.560

1.000

Turbidity (NTU)

3.475

0.022

0.246

 − 3.075

0.255

1.000

pH

0.145

0.051

0.557

 − 0.075

0.479

1.000

Temperature (°C)

0.65

0.132

1.000

0.4

0.502

1.000