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Environmental Sciences Europe

Table 7 DNA damage of Solea aegyptiaca organs during winter and summer seasons, 2019

From: Integrated use of biomarkers to assess the impact of heavy metal pollution on Solea aegyptiaca fish in Lake Qarun

Seasons

Sites

Gills DNA strand breaks

Liver DNA strand breaks

Muscles DNA strand breaks

Tail DNA (%)

Tail Length (µm)

Tail moment

Tail DNA (%)

Tail Length (µm)

Tail moment

Tail DNA (%)

Tail Length (µm)

Tail moment

Winter

Western sector

2.25 ± 0.04

2.33 ± 0.06

5.24 ± 0.04

2.47 ± 0.04

2.40 ± 0.03

5.90 ± 0.03

2.29 ± 0.04

2.20 ± 0.15

5.59 ± 0.03

Northern sector

2.42 ± 0.05

2.37 ± 0.04

5.74 ± 0.04

2.51 ± 0.07

2.44 ± 0.05

6.12 ± 0.09

2.31 ± 0.05

2.45 ± 0.03

5.66 ± 0.05

Southern sector

3.12 ± 0.09

3.25 ± 0.07

9.99 ± 0.76

2.71 ± 0.32

2.82 ± 0.03

7.64 ± 0.61

2.50 ± 0.26

2.82 ± 0.21

6.60 ± 0.70

Eastern sector

3.68 ± 0.09

3.58 ± 0.05

13.17 ± 0.04

3.58 ± 0.09

3.53 ± 0.05

12.60 ± 0.89

3.64 ± 0.07

3.72 ± 0.04

13.52 ± 0.58

Mean

2.87 ± 0.59

2.88 ± 0.56

8.54 ± 3.34

2.82 ± 0.49

2.80 ± 0.46

8.07 ± 2.81

2.69 ± 0.58

2.80 ± 0.60

7.84 ± 3.40

A

A

A

A

A

A

A

A

A

Summer

Western sector

2.04 ± 0.14

2.05 ± 0.04

4.06 ± 0.05

1.35 ± 0.03

1.23 ± 0.30

1.66 ± 0.06

1.37 ± 0.03

1.49 ± 0.03

2.07 ± 0.60

Northern sector

2.37 ± 0.03

2.33 ± 0.03

5.69 ± 0.04

1.31 ± 0.03

1.21 ± 0.31

1.59 ± 0.03

1.58 ± 0.04

1.67 ± 0.03

2.64 ± 0.59

Southern sector

2.44 ± 0.02

2.34 ± 0.02

5.81 ± 0.03

2.88 ± 0.04

2.59 ± 0.03

7.46 ± 0.05

2.49 ± 0.04

2.31 ± 0.04

5.75 ± 0.04

Eastern sector

2.69 ± 0.05

2.43 ± 0.06

6.29 ± 0.05

3.01 ± 0.08

2.95 ± 0.03

8.90 ± 0.07

2.52 ± 0.05

2.49 ± 0.04

6.27 ± 0.05

Mean

2.39 ± 0.25

2.29 ± 0.15

5.46 ± 0.86

2.14 ± 0.83

2.00 ± 0.83

4.90 ± 3.39

2.00 ± 0.53

2.00 ± 0.43

4.18 ± 1.93

B

B

B

B

B

B

B

B

B

All over mean

Western sector

2.15 ± 0.15

2.19 ± 0.16

4.65 ± 0.62

1.91 ± 0.59

1.82 ± 0.64

3.78 ± 2.21

1.83 ± 0.48

1.85 ± 0.39

3.83 ± 1.88

c

b

c

c

c

c

c

c

c

Northern sector

2.40 ± 0.05

2.35 ± 0.04

5.72 ± 0.05

1.91 ± 0.63

1.82 ± 0.67

3.86 ± 2.37

1.95 ± 0.38

2.06 ± 0.41

4.15 ± 1.63

c

b

c

c

c

c

c

c

c

Southern sector

2.78 ± 0.36

2.80 ± 0.48

7.90 ± 2.24

2.80 ± 0.24

2.71 ± 0.12

7.55 ± 0.42

2.50 ± 0.18

2.57 ± 0.30

6.18 ± 0.63

b

a

b

b

b

b

b

b

b

Eastern sector

3.19 ± 0.52

3.01 ± 0.60

9.73 ± 3.59

3.29 ± 0.31

3.24 ± 0.30

10.75 ± 2.03

3.08 ± 0.59

3.11 ± 0.64

9.89 ± 3.81

a

a

a

a

a

a

a

a

a

  1. In each column, means values (mean ± SD) with different letters have a statistically significant difference (P ≤ 0.05), while means having the same letter in the same column are not significantly different (P ≥ 0.05). The capital letters indicate the significance between seasons, and small letters indicate significance between sites
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