Figure 1
Figure 2
Figure 3
Figure 4
Characteristics of roadside forest belts
| Plot number | Plantation composition* | Road number | Location GPS | Age [years] | Number rows in the belt [pc.] | Width of the belt between extreme rows [m] | Distance from the belt to the road [m] | |
|---|---|---|---|---|---|---|---|---|
| N latitude | E longitude | |||||||
| Roads of international importance | ||||||||
| 1 | 10Cb | М-06 | 50.551694 | 26.078739 | 25 | 3 | 10 | 12 |
| 2 | 10Ap | М-19 | 50.629913 | 25.498699 | 35 | 4 | 15 | 12 |
| 3 | 10Tc | М-19 | 51.327933 | 24.658482 | 48 | 4 | 15 | 12 |
| 4 | 10Bp | М-07 | 51.250750 | 25.234465 | 25 | 3 | 10 | 10 |
| Roads of national importance | ||||||||
| 5 | 10Ap | Н-22 | 50.764138 | 25.107012 | 41 | 5 | 20 | 10 |
| 6 | 10Pn | Н-17 | 50.641977 | 25.177108 | 45 | 2 | 5 | 8 |
The average content of heavy metals in forest litter
| Plot number | Plantation composition | Road number | The average content of heavy metals [mg · kg-1] | |||
|---|---|---|---|---|---|---|
| Pb | Cd | Zn | Cu | |||
| Roads of international importance | ||||||
| 1 | 10Cb | М-06 | 0.35 ± 0.03 | 0.02 ± 0.003 | 15.09 ± 0.43 | 2.24 ± 0.09 |
| 2 | 10Ap | М-19 | 0.77 ± 0.02 | 0.03 ± 0.003 | 13.29 ± 0.95 | 2.64 ± 0.28 |
| 3 | 10Tc | М-19 | 0.71 ± 0.02 | 0.03 ± 0.001 | 13.20 ± 0.26 | 3.00 ± 0.10 |
| 4 | 10Bp | М-07 | 0.97 ± 0.02 | 0.04 ± 0.003 | 13.48 ± 0.14 | 3.62 ± 0.08 |
| Roads of national importance | ||||||
| 5 | 10Ap | Н-22 | 0.65 ± 0.05 | 0.02 ± 0.001 | 14.01 ± 0.05 | 2.38 ± 0.02 |
| 6 | 10Pn | Н-17 | 0.85 ± 0.05 | 0.03 ± 0.003 | 13.15 ± 0.15 | 2.66 ± 0.24 |
The average content of heavy metals in the soil
| Plot number | Plantation composition | Road number | The average content of heavy metals, mg · kg-1 | |||
|---|---|---|---|---|---|---|
| Pb | Cd | Zn | Cu | |||
| Roads of international importance | ||||||
| 1 | 10Cb | М-06 | 0.85 ± 0.22 | 0.11 ± 0.02 | 1.20 ± 0.75 | 0.24 ± 0.08 |
| 2 | 10Ap | М-19 | 1.14 ± 0.27 | 0.15 ± 0.04 | 2.17 ± 0.80 | 0.33 ± 0.10 |
| 3 | 10Tc | М-19 | 0.72 ± 0.37 | 0.07 ± 0.03 | 1.53 ± 0.66 | 0.28 ± 0.05 |
| 4 | 10Bp | М-07 | 0.76 ± 0.28 | 0.07 ± 0.02 | 3.70 ± 1.80 | 0.85 ± 0.26 |
| Roads of national importance | ||||||
| 5 | 10Ap | Н-22 | 0.73 ± 0.23 | 0.05 ± 0.01 | 1.39 ± 0.60 | 0.37 ± 0.01 |
| 6 | 10Pn | Н-17 | 0.81 ± 0.22 | 0.07 ± 0.01 | 1.12 ± 0.32 | 0.29 ± 0.12 |