Table 2. Water physicochemistry per scenario and season.
Values are means (n = 3) for each scenario and season with standard error in parenthesis.
1-Forest—Pasture | 2-Pasture—Forest | 3- Forest—Coffee plantation | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dry | Transition | Wet | Dry | Transition | Wet | Dry | Transition | Wet | |||
Discharge (m3/s) | 20.26 | 47.32 | 248.52 | 28.99 | 66.41 | 213.21 | 8.57 | 15.98 | 21.20 | ||
(5.43) | (3.70) | (8.79) | (0.79) | (18.49) | (9.97) | (2.17) | (7.18) | (1.27) | |||
Temperature (°C) | 14.63 | 15.86 | 15.63 | 15.18 | 17.12 | 16.97 | 16.64 | 19.66 | 18.42 | ||
(0.04) | (0.02) | (0.02) | (0.44) | (0.11) | (0.13) | (0.07) | (0.15) | (0.05) | |||
Oxygen (mg/L) | 6.39 | 6.55 | 6.52 | 5.96 | 6.03 | 6.04 | 6.10 | 6.55 | 6.17 | ||
(0.04) | (0.01) | (0.01) | (0.18) | (0.08) | (0.19) | (0.05) | (0.15) | (0.03) | |||
pH | 6.93 | 6.96 | 6.50 | 6.62 | 6.59 | 5.52 | 6.72 | 6.52 | 6.27 | ||
(0.07) | (0.03) | (0.00) | (0.06) | (0.18) | (0.01) | (0.12) | (0.20) | (0.14) | |||
Conductivity (µS/cm) | 32.63 | 30.29 | 25.15 | 23.64 | 26.96 | 20.96 | 49.52 | 49.81 | 41.63 | ||
(0.70) | (0.52) | (0.64) | (1.15) | (0.33) | (0.15) | (0.43) | (0.32) | (0.27) | |||
TSS (mg/L) | 4.64 | 11.67 | 10.35 | 11.06 | 8.81 | 13.33 | 9.12 | 10.00 | 14.40 | ||
(1.81) | (2.88) | (1.99) | (3.33) | (1.89) | (4.10) | (2.28) | (2.63) | (6.82) | |||
Alkalinity (mg CaCO3/L) | 23.38 | 21.70 | 16.09 | 19.18 | 18.89 | 16.13 | 31.92 | 28.41 | 14.13 | ||
(0.14) | (0.31) | (0.23) | (0.35) | (0.07) | (0.12) | (0.09) | (0.05) | (0.79) | |||
N-NH4 (µM) | 3.11 | 5.81 | 4.20 | 0.31 | 6.85 | 1.30 | 4.19 | 7.22 | 8.38 | ||
(0.34) | (0.34) | (1.28) | (0.26) | (1.47) | (1.31) | (0.28) | (0.82) | (0.53) | |||
N-NO3 (µM) | 14.88 | 16.65 | 18.31 | 11.04 | 12.05 | 9.62 | 16.26 | 15.17 | 29.70 | ||
(0.31) | (0.52) | (0.59) | (0.88) | (1.56) | (0.32) | (0.75) | (0.39) | (0.40) | |||
DIN (µM) | 18.00 | 22.46 | 22.70 | 11.39 | 18.91 | 10.93 | 20.45 | 435.93 | 38.07 | ||
(0.09) | (0.31) | (0.80) | (1.11) | (2.96) | (0.31) | (0.51) | (221.77) | (0.72) | |||
PO4 (mg/L) | 0.47 | 0.36 | 0.42 | 0.33 | 0.25 | 0.19 | 0.71 | 0.33 | 0.59 | ||
(0.10) | (0.12) | (0.06) | (0.06) | (0.01) | (0.01) | (0.20) | (0.04) | (0.06) | |||
TP (mg/L) | 0.47 | 0.36 | 0.42 | 0.33 | 0.25 | 0.19 | 1.33 | 1.04 | 1.02 | ||
(0.10) | (0.12) | (0.06) | (0.06) | (0.01) | (0.01) | (0.13) | (0.29) | (0.16) | |||
DIN/PT | 20.77 | 28.84 | 34.82 | 13.46 | 26.36 | 30.66 | 15.68 | 25.29 | 39.14 | ||
(1.70) | (2.21) | (4.93) | (1.20) | (5.91) | (1.21) | (1.82) | (6.89) | (5.81) | |||
SiO2 (mg/L) | 26.31 | 22.16 | 20.45 | 18.86 | 15.89 | 14.52 | 36.33 | 28.27 | 28.77 | ||
(0.07) | (0.09) | (0.13) | (0.10) | (0.20) | (0.10) | (0.30) | (1.43) | (0.15) | |||
Cl− (mg/L) | 5.50 | 7.00 | 8.56 | 5.78 | 4.98 | 7.75 | 6.37 | 5.64 | 9.41 | ||
(0.11) | (0.24) | (0.27) | (0.38) | (0.04) | (0.05) | (0.21) | (0.23) | (0.15) | |||
SO2−4 (mg/L) | 0.62 | 1.01 | 1.50 | 0.36 | 1.05 | 1.16 | 0.65 | 0.86 | 1.86 | ||
(0.11) | (0.07) | (0.07) | (0.03) | (0.06) | (0.07) | (0.11) | (0.05) | (0.07) | |||
Ca2+ (mg/L) | 1.10 | 1.23 | 0.85 | 1.38 | 0.40 | 1.15 | 1.01 | 0.75 | 0.90 | ||
(0.02) | (0.28) | (0.04) | (0.14) | (0.18) | (0.12) | (0.01) | (0.03) | (0.05) | |||
Na+ (mg/L) | 5.80 | 3.31 | 2.91 | 4.66 | 1.37 | 2.47 | 6.85 | 9.03 | 8.60 | ||
(1.91) | (0.12) | (0.31) | (0.42) | (0.05) | (0.51) | (0.11) | (0.44) | (1.36) | |||
Mg+ (mg/L) | 1.47 | 1.17 | 0.53 | 1.11 | 0.88 | 0.38 | 1.56 | 1.30 | 1.25 | ||
(0.32) | (0.13) | (0.03) | (0.23) | (0.03) | (0.07) | (0.06) | (0.03) | (0.10) | |||
K+ (mg/L) | 0.35 | 0.03 | 0.00 | 0.46 | 0.00 | 0.00 | 1.33 | 1.30 | 0.70 | ||
(0.00) | (0.02) | (0.00) | (0.08) | (0.00) | (0.00) | (0.04) | (0.05) | (0.08) | |||
BOM (g/m2) | 5,227.58 | 3,044.16 | 1,020.52 | 4,203.02 | 4,171.88 | 1,081.59 | 3,732.17 | 1,852.90 | 1,130.62 | ||
(1,344.12) | (349.14) | (121.16) | (531.48) | (465.74) | (199.64) | (1,647.16) | (269.41) | (131.09) | |||
SOM (mg/L) | 607.98 | 1,003.70 | 45,389.43 | 770.57 | 1,641.49 | 5,143.52 | 390.89 | 425.92 | 556.81 | ||
(114.24) | (154.00) | (38,716.13) | (47.30) | (503.99) | (391.96) | (41.66) | (219.15) | (69.93) | |||
Chlorophyll a (mg/m2) | 1.20 | 0.47 | 0.25 | 0.71 | 0.27 | 0.78 | 0.91 | 0.90 | 0.40 | ||
(0.59) | (0.07) | (0.03) | (0.23) | (0.09) | (0.13) | (0.15) | (0.07) | (0.05) |