Geochemical Parameters

El-Burullus Lake

El-Manzala Lake

El-Bardawil Lake

range

average ± SD

range

average ± SD

range

average ± SD

Sand (%)

11.72 - 49.32

29.80 ± 18.68

14.88 - 63.83

39.15 ± 24.28

34.16 - 88.25

67.47 ± 35.76

Silt (%)

50.96 - 85.95

69.14 ± 18.68

36.18 - 83.19

59.47 ± 24.28

14.22 - 61.42

31.09 ± 35.76

Organic carbon (%)

1.34 - 3.31

2.16 ± 0.87

2.71 - 4.90

3.92 ± 1.42

0.40 - 2.53

1.34 ± 1.30

Water content (%)

38 - 65

54 ± 11.93

56 - 74

64 ± 11.58

22 - 61

37 ± 18.18

H₂S (mg·g⁻¹)

25 - 419

168.7 ± 134.85

6 - 249

58.7 ± 75.17

0.89 - 238

86.3 ± 110.25

Inorganic Phosphorus (µg·g⁻¹)

574 - 1098

780 ± 232.61

245 - 893

361 ± 151.93

122 - 326

203 ± 130.90

Organic Phosphorus (µg·g⁻¹)

160 - 335

165 ± 159.10

168 - 286

210 ± 62.14

47 - 174

88 ± 63.47

Total Phosphorus (µg·g⁻¹)

761 - 1244

972 ± 192.71

511 - 1232

833 ± 156.88

193 - 413

274 ± 166.45

Total Nitrogen (%)

0.88 - 1.92

1.23 ± 0.08

1.84 - 2.39

2.08 ± 0.09

0.84 - 1.06

0.95 ± 0.05