Heavy metals addition (mg/kg) | Heavy metals contents after remediation (mg/kg) | Average root weight (g/DW plant) | pH | Soil organic matter (g/kg) | |
---|---|---|---|---|---|
Cd Hg | Cd | Hg | |||
0 0 | 0.21 ± 0.01 | 0.14 ± 0.01 | 0.023 | 6.86 ± 0.27a | 40.76 ± 1.95a |
5 0 | 4.12 ± 0.32 | 0.13 ± 0.01 | 0.032 | 6.33 ± 0.21b | 42.88 ± 1.54a |
0 20 | 0.21 ± 0.01 | 18.17 ± 0.67 | 0.024 | 6.68 ± 0.30ab | 41.31 ± 2.86a |
5 20 | 4.19 ± 0.45 | 16.38 ± 0.58 | 0.036 | 6.42 ± 0.33ab | 40.69 ± 3.07a |
Genus | Guild | CK | Cd-5 | Hg-20 | Cd5 + Hg20 |
---|---|---|---|---|---|
BF1 | 0.62 ± 0.61b | 0.00 ± 0.00b | 5.51 ± 1.14a | 5.15 ± 0.67a | |
BF1 | 11.04 ± 0.86a | 3.33 ± 3.33b | 9.74 ± 1.12ab | 7.72 ± 1.92ab | |
BF1 | 3.46 ± 1.03a | 1.75 ± 1.75a | 4.23 ± 0.38a | 2.29 ± 1.17a | |
BF2 | 1.68 ± 0.92a | 0.00 ± 0.00a | 1.28 ± 1.28a | 0.00 ± 0.00a | |
BF2 | 32.30 ± 1.52ab | 29.70 ± 2.68ab | 27.95 ± 4.56b | 42.18 ± 6.71a | |
BF2 | 2.89 ± 0.56a | 1.75 ± 1.75a | 1.67 ± 1.67a | 1.01 ± 1.01a | |
BF2 | 2.27 ± 0.46a | 0.00 ± 0.00a | 2.56 ± 1.23a | 3.57 ± 2.23a | |
BF2 | 0.61 ± 0.61a | 0.00 ± 0.00a | 1.28 ± 1.28a | 1.01 ± 1.01a | |
BF2 | 0.60 ± 0.60a | 0.00 ± 0.00a | 1.28 ± 1.28a | 1.28 ± 1.28a | |
BF2 | 0.53 ± 0.53a | 0.00 ± 0.00a | 0.00 ± 0.00a | 1.01 ± 1.01a | |
BF3 | 1.19 ± 1.03a | 5.46 ± 3.21a | 0.00 ± 0.00a | 2.29 ± 1.17a | |
BF4 | 2.20 ± 1.39b | 0.00 ± 0.00b | 0.00 ± 0.00b | 5.43 ± 1.35a | |
FF2 | 0.53 ± 0.53b | 0.00 ± 0.00b | 0.00 ± 0.00b | 5.43 ± 1.35a | |
FF2 | 0.61 ± 0.61a | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a | |
FF2 | 8.19 ± 1.78a | 6.94 ± 1.53ab | 2.95 ± 1.51b | 1.01 ± 1.01b | |
FF2 | 0.00 ± 0.00a | 0.00 ± 0.00a | 2.56 ± 1.28a | 1.28 ± 1.28a | |
FF2 | 5.79 ± 0.71b | 5.27 ± 0.16b | 27.56 ± 1.70a | 1.01 ± 1.01c | |
FF3 | 0.53 ± 0.53ab | 3.42 ± 1.71a | 0.00 ± 0.00b | 1.01 ± 1.01ab | |
PP2 | 17.62 ± 0.52b | 33.58 ± 4.33a | 8.19 ± 2.05c | 10.14 ± 3.30bc | |
PP3 | 0.00 ± 0.00b | 3.61 ± 1.81a | 0.00 ± 0.00b | 1.01 ± 1.01ab | |
PP3 | 0.53 ± 0.53a | 1.67 ± 1.67a | 1.28 ± 1.28a | 1.01 ± 1.01a | |
OP4 | 1.20 ± 0.60a | 3.52 ± 1.77a | 1.28 ± 1.28a | 2.29 ± 1.17a | |
OP5 | 0.61 ± 0.61a | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a | |
OP5 | 1.65 ± 0.92ab | 0.00 ± 0.00a | 2.95 ± 1.51b | 2.86 ± 1.61a | |
OP5 | 0.61 ± 0.61a | 0.00 ± 0.00a | 0.00 ± 0.00a | 0.00 ± 0.00a | |
OP5 | 1.14 ± 0.57a | 0.00 ± 0.00b | 0.00 ± 0.00b | 0.00 ± 0.00b |
CK | Cd5 | Hg20 | Cd+Hg 5+20 | |
---|---|---|---|---|
H' | 2.31 ± 0.21a | 1.44 ± 0.14b | 1.91 ± 0.20ab | 1.68 ± 0.50b |
TD | 2.34 ± 0.22b | 2.85 ± 0.20a | 2.42 ± 0.06b | 1.78 ± 0.22c |
J' | 0.85 ± 0.02a | 0.70 ± 0.05b | 0.84 ± 0.03a | 0.70 ± 0.07b |
f/b | 0.25 ± 0.07b | 0.29 ± 0.04b | 0.55 ± 0.02a | 0.10 ± 0.02c |
MI | 1.71 ± 0.15a | 2.13 ± 0.23a | 1.91 ± 0.04a | 2.16 ± 0.11a |
SI | 47.61 ± 7.76a | 35.12 ± 17.40a | 25.76 ± 6.71a | 43.58 ± 0.13a |
EI | 64.19 ± 4.25a | 39.15 ± 15.42a | 61.98 ± 1.05a | 49.04 ± 15.73a |
Absolute abundance | ||||
---|---|---|---|---|
CK | Cd-5 | Hg-20 | Cd-Hg 5+20 | |
BF1 | 120.51 ± 11.68a | 8.40 ± 4.84c | 30.88 ± 1.56b | 23.6 ± 4.43b |
BF2 | 327.48 ± 26.67a | 50.04 ± 4.38b | 57.36 ± 6.00b | 74.68 ± 8.11b |
BF3 | 14.16 ± 8.31a | 8.28 ± 4.22ab | 0.00 ± 0.00b | 3.88 ± 1.49ab |
BF4 | 17.61 ± 11.09a | 0.00 ± 0.00b | 0.00 ± 0.00b | 9.61 ± 2.39a |
FF2 | 121.58 ± 23.30a | 19.52 ± 2.79b | 52.92 ± 7.46b | 14.93 ± 2.96b |
FF3 | 0.00 ± 0.00a | 5.52 ± 1.67a | 0.00 ± 0.00a | 1.84 ± 0.46a |
PP2 | 152.25 ± 5.31a | 52.6 ± 4.23b | 8.80 ± 2.55c | 13.92 ± 2.25c |
PP3 | 4.50 ± 4.50a | 4.08 ± 0.10a | 2.20 ± 2. 20a | 3.72 ± 3.72a |
OP4 | 9.45 ± 4.73a | 2.42 ± 1.21b | 2.16 ±2.16b | 3.68 ± 1.49b |
OP5 | 32.01 ± 8.81a | 0.00 ± 0.00b | 4.45 ± 2.25b | 3.87 ±1.94b |
BF | 492.05 ± 48.55a | 67.61 ± 16.46c | 88.21 ± 14.12bc | 115.67 ± 43.74b |
FF | 121.58 ± 23.30a | 25.14 ± 7.15c | 52.92 ± 7.46b | 16.74 ± 6.72c |
PP | 156.91 ± 9.83a | 56.28 ± 4.89b | 11.45 ± 3.97c | 17.98 ± 6.55c |
OP(c-p 4-5) | 42.26 ± 13.04a | 2.42 ± 1.21b | 6.61 ± 2.66b | 7.84 ± 3.72b |
c-p 1-2 | 727.47 ± 49.04a | 130.48 ± 14.24b | 150.12 ± 21.96b | 125.92 ± 24.92b |
c-p 3-5 | 85.71 ± 30.07a | 20.32 ± 6.31b | 8.84 ± 6.68b | 27.06 ± 7.40b |