Table 4 Concentrations of heavy metals in leave, culm, and roots of P. australis within sites of the study area compared with normal and critical ranges in plants [31] and Bioaccumulation Factor of the plant (BAF)
Site | Plant parts | Metal (μg g−1) | ||
|---|---|---|---|---|
Ni | Co | Cr | ||
Site_1 (near Sea-Mahmodia) | Leave | 104 | 61 | 3.6 |
Culm | 174 | 47 | 0.9 | |
Root | 88 | 26 | 0.4 | |
Mean (Plant) | 122 | 45 | 1.6 | |
Mean (Sediment) | 30 | 56 | 1.7 | |
BAF | 4.1 | 0.8 | 1.0 | |
Site_2 (Desouk-Kafr Elsheikh boundary) | Leave | 42 | 1.3 | 3.3 |
Culm | 67 | 154 | 8.4 | |
Root | 86 | 323 | 17 | |
Mean (Plant) | 65 | 159 | 9.4 | |
Mean (Sediment) | 40 | 34 | 2.2 | |
BAF | 1.6 | 4.7 | 4.3 | |
Site_3 (Kafr Elsheikh boundary-Kafr Elzayat) | Leave | 107 | 65 | 6.9 |
Culm | 83 | 31.44 | 0.2 | |
Root | Nd | nd | Nd | |
Mean (Plant) | 95 | 48 | 3.6 | |
Mean (Sediment) | 31 | 23 | 1.4 | |
BAF | 3.1 | 2.2 | 2.6 | |
Normal Range in Plants (ppm) | 0.1–5 | 0.02–1 | – | |
Critical Range in Plants (ppm) | 10–100 | 15–50 | – | |