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Table 9 Sub-watersheds, their total and mean annual soil loss and priority level

From: Potential soil erosion estimation and area prioritization for better conservation planning in Gumara watershed using RUSLE and GIS techniques’

SW_ID

Area (ha)

MSL (t ha−1 year−1)

TSL (t/year−1)

SLR (%)

Priority level

SW _ID

Area (ha)

MSL (t ha−1 year−1)

TSL (t/year−1)

SLR (%)

Priority level

1

250.64

34.42

97,685.06

1.01

Severe

24

321.66

48.07

171,163.7

1.77

Severe

2

354.78

40.74

160,578.5

1.66

Severe

25

298.35

38.05

126,140.3

1.3

Severe

3

394.19

24.75

109,135.2

1.13

Moderate

26

510.3

54.47

307,227.3

3.17

Very severe

4

372.78

23.63

96,891.3

1

Moderate

27

623.07

51.54

356,765.6

3.68

Very severe

5

228.95

57.94

153,423

1.58

Very severe

28

263.25

45.42

132,841

1.37

Severe

6

430.83

35.16

167,367.8

1.73

Severe

29

365.31

47.44

192,560.9

1.99

Severe

7

187.65

49.69

103,411.1

1.07

Severe

30

581.39

41.6

268,142

2.77

Severe

8

963.81

48.33

513,573

5.3

Severe

31

391.59

32.04

139,415

1.44

Severe

9

333.54

43.35

159,538.2

1.65

Severe

32

661.41

42.53

312,437.2

3.23

Severe

10

667.7

40.62

305,215.6

3.15

Severe

33

446.3

46.14

231,780.1

2.39

Severe

11

408.5

40

184,252.8

1.9

Severe

34

484.2

26.11

138,681.4

1.43

Moderate

12

411.39

47.29

216,140.3

2.23

Severe

35

414.44

27.7

128,536.9

1.33

Moderate

13

994.5

44.08

487,076.4

5.03

Severe

36

584.37

39.61

257,172.4

2.66

Severe

14

343.8

37.23

141,367.4

1.46

Severe

37

290.34

35.06

113,093.3

1.17

Severe

15

610.47

37.32

253,168.9

2.61

Severe

38

344.43

47.31

181,036.8

1.87

Severe

16

281.7

58.6

183,432.4

1.89

Very severe

39

246.24

42.29

115,565.7

1.19

Severe

17

199.62

36.75

80,657.29

.83

Severe

40

596.34

50.62

335,420.9

3.46

Very severe

18

455.76

51.54

260,993.8

2.7

Very severe

41

487.52

28.45

154,786.6

1.6

Moderate

19

182.43

44.41

89,314.3

.92

Severe

42

607.76

37.22

253,889.6

2.62

Severe

20

903.06

44.89

449,013.4

4.64

Severe

43

551.34

48.35

296,222.4

3.06

Severe

21

326.97

61.41

223,112.7

2.3

Very severe

44

343.44

46.74

178,343.2

1.84

Severe

22

685.98

35.23

267,772.3

2.77

Severe

45

232.38

45.01

114,544.9

1.18

Severe

23

648.9

53.16

383,295.1

3.96

Very severe

46

135.45

60.65

91,273.74

.94

Very severe

  1. MSL, mean soil loss; TSL, total soil loss; SLR, soil loss ratio; SW_ID, sub-Watershed identification number (SW1, SW2, SW3, … SW46)