Table 2.
Heavy metal content (mg/kg) and pH of soil samples collected in the investigated ultramafic sites from the Southern Carpathians
| Site name | Plant association | Elevation (m) | Ultramafic rock type | pH | Fe | Cd | Cu | Ni | Zn | Cr | Pb | Co | Mn | Mg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mehedinți Mts. | ||||||||||||||
| Ciolanu Mare | PA | 1130 | ser | 7.3 | 137.0 | 3.0 | 32.6 | 1564.7 | 59.9 | 330.9 | 26.8 | 103.5 | 821.7 | 56.0 |
| Ciolanu Mic | PA | 1025 | ser | 6.5 | 275.0 | 3.3 | 21.7 | 1511.3 | 51.3 | 426.7 | 9.7 | 110.6 | 855.6 | 72.9 |
| Obârșia Cloșani | AsA | 471 | ser | 6.1 | 193.0 | 2.9 | 21.9 | 1538.2 | 43.9 | 335.2 | 11.4 | 100.3 | 913.8 | 43.9 |
| Giurgieni—Valea Coșutei | AsA | 567 | ser | 6.5 | 325.0 | 3.5 | 19.9 | 1538.9 | 41.2 | 507.1 | 8.1 | 103.8 | 1115.6 | 30.4 |
| Rudina | AsA | 405 | ser | 6.4 | 275.0 | 3.3 | 21.7 | 1511.3 | 51.3 | 426.7 | 9.7 | 110.6 | 855.6 | 58.7 |
| Cozia Mts. | ||||||||||||||
| Pereții Gradului | SP | 1520 | ser | 5.3 | 141.0 | 2.2 | 26.8 | 1373.0 | 44.1 | 331.0 | 29.7 | 98.7 | 765.2 | 47.3 |
| Ciuha Mică | SP | 1546 | ser | 4.8 | 198.0 | 2.7 | 22.7 | 1389.6 | 26.8 | 354.8 | 8.8 | 97.5 | 744.1 | 45.2 |
| Ciuha Mare | SP | 1589 | ser | 4.1 | 210.0 | 3.1 | 19.7 | 1435.7 | 39.1 | 345.2 | 10.7 | 101.8 | 874.1 | 35.1 |
| Retezat Mts. | ||||||||||||||
| Vf. Poienii | MP | 432 | per | 5.1 | 625.0 | 4.9 | 15.3 | 10.6 | 51.1 | 20.7 | 29.7 | 10.2 | 228.7 | 60.8 |
| Vf. Poienii | MP | 410 | per | 4.4 | 537.0 | 4.2 | 15.4 | 13.7 | 58.4 | 19.5 | 33.9 | 9.8 | 261.7 | 43.6 |
| Vf. Poienii | MP | 400 | per | 4.3 | 525.0 | 4.5 | 16.5 | 14.5 | 50.9 | 21.9 | 20.2 | 9.7 | 226.6 | 35.8 |
| Vf. Poienii | MP | 385 | per | 4.8 | 181.0 | 5.3 | 15.4 | 9.5 | 67.1 | 21.1 | 41.4 | 11.4 | 306.7 | 18.2 |
ser, serpentinites; per, peridotites; PA, Plantago serpentinae–Armerietum halleri; AsA, Asplenio serpentini–Achnatheretum calamagrostis; SP, Sileno saxifragae–Plantaginetum holostei; MP Minuartio frutescentis–Plantaginetum holostei