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Table 5 Percentage of water level variation in different seasons

From: Shallow wells, the untapped resource with a potential to improve agriculture and food security in southern Mali

Depth range

Number of wells in Bougouni district

Number of wells Koutiala district

Dieba

Flola

Sibirila

Yorobougoula

Madina

M’Pessoba

Nampossela

N’Golonianasso

Sirakele

Zanzoni

0.5–5.5

3a/16b

0/33

8/100

2/24

7/31

9/63

40/83

35/94

0/54

15/81

5.5–10.5

70/79

46/51

69

36/29

14/55

49/24

20/9

52/5

54/40

66/16

10.5–15.5

24/5

9/8

15

37/29

55/14

39/12

20/3

8/1

33/6

9/3

15.5–20.5

3

27/8

0

16/16

7

2/1

17

0

7

6

20.5–25.5

0

18

0

9/2

17

1

0

1

0

0

25.5–30.5

0

0

0

0

0

0

0/3

3

0

2

30.5–35.5

0

0

8

0

0

0

3/2

0

0

2

35.5–40.5

0

0

0

0

0

0

0

1

2

0

>40.5

0

0

0

0

0

0

0

0

4

0

n

38

12

13

58

29

87

35

79

50

83

  1. n refers the number of wells
  2. 3a/16b refers percentage of water level in the dry and rainy season, respectively