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. 2020 Oct 19;10:17665. doi: 10.1038/s41598-020-74429-7

Table 2.

Average measurements (standard deviation) for environmental variables recorded in 2016.

Variable Large river Wetland Tributary
Slope (°) 8.86 (6.70) 12.80 (12.58) 9.83 (4.20)
Tree water distance (m) 4.54 (3.08) 1.67 (1.73) 6.01 (4.80)
Tree abundance 9.76 (4.44) 9.67 (3.89) 7.00 (4.00)
Tree diversity 0.65 (0.41) 0.52 (0.43) 0.54 (0.27)
Tree community 0.38 (0.87) − 0.66 (0.71) 0.34 (0.87)
Canopy cover 0.92 (0.13) 0.94 (0.09) 0.91 (0.04)
Tree surface area (m2) 4.42 (1.41) 4.65 (2.44) 3.34 (0.95)
Tree density (per m2) 0.01 (0.01) 0.02 (0.02) 0.02 (0.02)
Bark depth (mm) 7.81 (2.26) 9.24 (1.89) 5.85 (1.28)
Bark roughness 0.25 (0.06) 0.24 (0.08) 0.38 (0.09)
Understory abundance 32.83 (15.47) 40.24 (12.58) 37.33 (15.01)
Understory diversity 0.59 (0.34) 0.96 (0.36) 0.95 (0.44)
Understory density (per m2) 22.76 (10.73) 27.91 (8.72) 25.89 (10.41)
Understory cover (%) 50.59 (35.90) 50.89 (18.83) 33.77 (35.24)
Dissolved oxygen (%) 92.18 (3.31) 81.51 (10.12) 89.97 (4.44)
Conductivity (µS/cm3) 97.71 (19.41) 73.33 (35.56) 60.00 (0.00)
Salinity (units) 0.05 (0.01) 0.03 (0.01) 0.03 (0.00)
pH 6.52 (0.42) 6.57 (0.50) 7.02 (0.12)
Velocity (m/s) 0.02 (0.04) 0.04 (0.09) 0.08 (0.09)
3-Day maximum (cm) 96.68 (46.79) 102.33 (14.59) 85.43
Baseflow (cm) 0.59 (0.14) 0.47 (0.17) 0.85
Number of reversals 7.83 (0.98) 4.67 (1.15) 7.00
Macrophyte cover (%) 12.62 (15.70) 17.67 (28.46) 0.00 (0.00)
Substrate size (mm) 1.71 (1.97) 0.60 (0.96) 4.78 (4.70)
Embeddedness (%) 74.60 (31.89) 76.11 (27.97) 73.61 (28.10)
Median diurnal range (°C) 2.97 (1.92) 2.26 (0.81) 2.01
Degree days 553.50 (24.17) 600.07 (56.84) 558.99
Temperature (°C) 18.25 (1.71) 19.23 (1.48) 20.32 (0.10)

Loggers were deployed at ten sites (large river = 6, wetland = 3 and tributary = 1). Note that standard deviation could not be reported for the tributary water depth and water temperature variables because of the single logger within the category.