Table 2 Bacterial count in spent crude oil-polluted sites within Benin metropolis
From: Hazard quotient, microbial diversity, and plant composition of spent crude oil-polluted soil
Ba.sb | Sa.sp | Cl.sp | Cl.pe | Mc.sp | Mc.lu | Total count | |
|---|---|---|---|---|---|---|---|
(× 105 cfu/g) | |||||||
Egor GN | 0.23 | 0.58 | 0 | 0.25 | 0 | 0.65 | 171,000 |
Ikpoba GN | 0.14 | 0 | 0.13 | 0 | 0.19 | 0.51 | 97,000 |
Oredo GN | 0.12 | 0 | 0.03 | 0 | 0.31 | 0 | 46,000 |
Ovia GN | 0.25 | 0 | 0.09 | 0.12 | 0.26 | 0 | 72,000 |
Egor MW | 0.11 | 0 | 0 | 0.28 | 0 | 0.26 | 65,000 |
Ikpoba MW | 0.23 | 0.43 | 0.14 | 0 | 0.42 | 0 | 122,000 |
Oredo MW | 0.19 | 0 | 0 | 0 | 0.29 | 0.19 | 67,000 |
Ovia MW | 0.36 | 0.29 | 0.29 | 0 | 0 | 0.22 | 116,000 |
Egor SP | 0 | 0 | 0.18 | 0.29 | 0.43 | 0.18 | 108,000 |
Ikpoba SP | 0.22 | 0 | 0.23 | 0 | 0.33 | 0 | 78,000 |
Oredo SP | 0.18 | 0.63 | 0.19 | 0 | 0 | 0 | 100,000 |
Ovia SP | 0.20 | 0.51 | 0 | 0.36 | 0 | 0.42 | 149,000 |
Egor BK | 0.69 | 0 | 0 | 0.53 | 0 | 0.68 | 190,000 |
Ikpoba BK | 0.52 | 0 | 0.23 | 0 | 0.29 | 0 | 104,000 |
Oredo BK | 0.97 | 0.44 | 0 | 0 | 0 | 0.39 | 180,000 |
Ovia BK | 1.02 | 0 | 0 | 0.16 | 0 | 0.48 | 166,000 |
Microorg. Total | 5.43 | 2.88 | 1.51 | 1.99 | 2.52 | 3.98 | 1,650,000 |
Mean | 0.34 | 0.18 | 0.09 | 0.12 | 0.16 | 0.25 | - |
Freq. occur. (%) | 93.75 | 37.50 | 56.25 | 43.75 | 50.00 | 62.50 | |