Table 2.
Physicochemical properties and organic matter estimates by watershed, reach, and season. Values are Mean (SD).
| Watershed | Reach | Season | Specific Conductivity (μS/cm) | pH | Mean Temperature (°C) | NH4+ (mg/L) | NO3− (mg/L) | PO43− (mg/L) | Benthic Chl a (mg/m2) | Benthic Detritus (g AFDM /m2) | Leaf litterfall (AFDM g m−2 season−1) | Canopy Cover (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reference | Open | Fall | 487.2 (117.0) | 8.1 (0.5) | 4.2 (1.1) | 0.02 (0.01) | 0.12 (0.07) | 0.06 (0.04) | 71.6 (61.6) | 5.0 (2.9) | 79.8 (38.6) | 9.4 (1.2) |
| Winter | 497.6 (112.2) | 8.2 (0.2) | 1.6 (0.1) | 0.04 (0.03) | 0.33 (0.12) | 0.06 (0.02) | 57.8 (20.6) | 1.8 (0.8) | 1.9 (1.5) | 6.75 (0.8) | ||
| Spring | 344.4 (162.8) | 8.8 (0.4) | 17.9 (1.7) | 0.05 (0.03) | 0.36 (0.17) | 0.07 (0.05) | 63.2 (28.1) | 2.0 (0.7) | 1.5 (1.1) | 7.2 (2.3) | ||
| Summer | 504.0 (56.7) | 8.0 (0.3) | 22.5 (1.6) | 0.06 (0.04) | 0.10 (0.04) | 0.07 (0.04) | 60.9 (39.1) | 1.8 (0.9) | 4.1 (1.9) | 18.3 (3.5) | ||
| Closed | Fall | 486.8 (116.4) | 8.1 (0.4) | 4.2 (1.1) | 0.03 (0.01) | 0.13 (0.07) | 0.07 (0.04) | 21.4 (13.7) | 6.2 (0.7) | 196.9 (76.2) | 31.0 (4.9) | |
| Winter | 494.5 (101.0) | 8.2 (0.3) | 1.5 (0.1) | 0.04 (0.01) | 0.30 (0.08) | 0.05 (0.02) | 47.3 (37.3) | 1.4 (0.4) | 2.1 (1.6) | 17.1 (3.3) | ||
| Spring | 333.0 (163.5) | 8.8 (0.3) | 17.8 (1.7) | 0.05 (0.04) | 0.37 (0.16) | 0.08 (0.05) | 48.0 (18.5) | 2.3 (0.8) | 2.0 (0.7) | 18.3 (4.8) | ||
| Summer | 508.2 (60.7) | 7.9 (0.4) | 20.8 (0.9) | 0.08 (0.09) | 0.10 (0.05) | 0.06 (0.04) | 20.2 (6.4) | 2.8 (3.1) | 8.5 (3.2) | 86.0 (0.6) | ||
| Urban | Open | Fall | 682.2 (236.8) | 8.0 (0.5) | 2.6 (0.5) | 0.03 (0.01) | 0.15 (0.06) | 0.14 (0.11) | 171.5 (49.8) | 5.4 (1.5) | 35.9 (6.9) | 7.3 (2.6) |
| Winter | 1126.5 (266.2) | 8.1 (0.4) | 1.8 (1.3) | 0.07 (0.05) | 0.48 (0.13) | 0.03 (0.02) | 124.8 (43.2) | 3.1 (0.5) | 1.3 (0.6) | 6.3 (2.2) | ||
| Spring | 757.2 (347.7) | 8.5 (0.1) | 17.7 (3.2) | 0.16 (0.18) | 0.37 (0.20) | 0.06 (0.05) | 166.3 (53.6) | 2.4 (0.6) | 1.8 (0.4) | 8.2 (3.1) | ||
| Summer | 783.8 (119.1) | 8.1 (0.2) | 23.9 (0.3) | 0.14 (0.06) | 0.26 (0.37) | 0.19 (0.11) | 245.7 (110.9) | 2.9 (2.6) | 3.4 (0.6) | 14.7 (3.9) | ||
| Closed | Fall | 682.6 (237.5) | 8.0 (0.5) | 2.7 (0.5) | 0.02 (0.01) | 0.15 (0.06) | 0.15 (0.11) | 189.4 (85.4) | 4.5 (1.2) | 98.7 (24.8) | 28.2 (4.0) | |
| Winter | 1116.4 (274.2) | 8.1 (0.4) | 1.9 (1.3) | 0.06 (0.05) | 0.49 (0.13) | 0.02 (0.02) | 158.5 (28.8) | 3.4 (1.1) | 2.7 (1.2) | 14.3 (2.1) | ||
| Spring | 738.4 (333.4) | 8.5 (0.2) | 17.6 (3.2) | 0.14 (0.17) | 0.37 (0.22) | 0.07 (0.05) | 172.4 (68.8) | 2.1 (0.6) | 1.5 (0.5) | 31.3 (5.2) | ||
| Summer | 772.8 (122.0) | 8.0 (0.1) | 23.3 (0.6) | 0.12 (0.03) | 0.12 (0.06) | 0.20 (0.10) | 54.8 (16.3) | 1.2 (0.3) | 5.1 (1.8) | 82.1 (0.7) | ||