Presence of B. straminea | P-value | ||
---|---|---|---|
No (n = 78) | Yes (n = 6) | ||
Landscape and climatic variables | |||
Altitude (m) | 10.0 (4.0,33.2) | 45.0 (43.5,53.2) | 0.019 |
NDVI | 0.7 (0.6,0.8) | 0.7 (0.6,0.7) | 0.951 |
MAP (mm) | 1714 (1685,1818) | 1969 (1937,2016) | 0.004 |
MAT (°C) | 22.2 (22.0,22.3) | 22.2 (22.0,22.5) | 0.807 |
MaxTWM (°C) | 33.3 (32.9,33.8) | 32.4 (31.8,32.5) | < 0.001 |
MinTCM (°C) | 10.5 (9.8,11.4) | 11.9 (11.7,12.1) | 0.009 |
MTWQ (°C) | 28.5 (28.2,28.6) | 28.0 (27.8,28.3) | 0.012 |
MTCQ (°C) | 14.7 (14.1,15.2) | 15.2 (15.1,15.5) | 0.053 |
Water variables | |||
pH | 6.71 (6.48, 7.05) | 6.92 (6.52, 6.96) | 0.889 |
TN (mg/L) | 2.31 (1.27, 7.80) | 8.33 (5.79, 12.9) | 0.030 |
NOx− (mg/L) | 0.78 (0.29, 1.72) | 3.10 (1.08, 4.53) | 0.050 |
NH3−N (mg/L) | 0.33 (0.10, 1.04) | 2.28 (1.23, 5.90) | 0.025 |
TP (mg/L) | 0.13 (0.07, 0.20) | 0.52 (0.17, 0.87) | 0.071 |
COD (mg/L) | 9.97 (4.48, 22.1) | 14.1 (9.32, 19.1) | 0.487 |
DO (mg/L) | 5.64 (4.80, 6.51) | 3.97 (3.62, 4.46) | 0.039 |
EC (mS/m) | 144 (69.4, 229) | 92.0 (68.0, 113) | 0.234 |
Ca (mg/L) | 4.31 (1.01, 18.5) | 29.2 (19.6, 104) | 0.006 |
Mg (mg/L) | 1.11 (0.76, 1.57) | 0.02 (0.01, 0.53) | 0.002 |
Zn (mg/L) | 0.01 (0.00, 0.04) | 0.08 (0.05, 0.19) | 0.005 |
Mn (mg/L) | 0.13 (0.05, 0.26) | 0.32 (0.25, 0.61) | 0.010 |
Sediment variables | |||
pH_s | 6.98 (6.31, 7.31) | 6.85 (6.66, 7.15) | 1.000 |
EC_s (mS/m) | 391 (211, 814) | 962 (557, 1649) | 0.124 |
TOC (g/kg) | 27.4 (20.4, 37.8) | 28.5 (20.3, 43.3) | 0.907 |
Cu_s (mg/kg) | 0.67 (0.13, 2.96) | 2.84 (1.51, 22.5) | 0.046 |
Zn_s (mg/kg) | 5.76 (0.20, 22.4) | 37.7 (22.3, 48.4) | 0.005 |
Mn_s (mg/kg) | 71.3 (0.57, 132) | 199 (81.0, 212) | 0.020 |
Cd_s (mg/kg) | 0.13 (0.00, 0.19) | 0.07 (0.04, 0.18) | 0.820 |
Pb_s (mg/kg) | 1.92 (0.04, 8.10) | 2.76 (1.00, 4.81) | 0.922 |
Ni_s (mg/kg) | 1.25 (1.25, 1.25) | 2.22 (1.25, 10.4) | 0.099 |