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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Land use distributions of the three scenarios across the slopes

From: Impact of land-use change on catchment water balance: a case study in the central region of South Africa

Slope range (%)

Land use

Baseline

PAST > 8% to FRSE

PAST > 3% to FRSE

RLU2000

FRSE1

FRSE2

Area (ha)

%

Area (m2)

%

Area (m2)

%

0–3

Agriculture

5823.1

11.11

58,231,422.2

11.11

58,231,422.2

11.11

Forest

165.8

0.32

1,657,933.9

0.32

1,657,933.9

0.32

Pasture

42,008.7

80.16

420,087,355.8

80.16

420,087,355.8

80.16

Rangeland

2295.5

4.38

22,954,994.6

4.38

22,954,994.6

4.38

Urban

413.8

0.79

4,137,642.2

0.79

4,137,642.2

0.79

Water

697.1

1.33

6,971,039.5

1.33

6,971,039.5

1.33

Wetland

1001.8

1.91

10,018,378.6

1.91

10,018,378.6

1.91

Total

 

52,405.8

100.00

524,058,766.8

100.00

524,058,766.8

100.00

3–8

Agriculture

1358.2

4.27

13,581,694.3

4.27

13,581,694.3

4.27

Forest

42.4

0.13

424,412.5

0.13

282,779,720.8

88.91

Pasture

28,235.5

88.78

282,355,308.3

88.78

0.0

0.00

Rangeland

1358.8

4.27

13,588,292.2

4.27

13,588,292.2

4.27

Urban

142.9

0.45

1,428,801.1

0.45

1,428,801.1

0.45

Water

340.4

1.07

3,404,301.5

1.07

3,404,301.5

1.07

Wetland

326.8

1.03

3,267,587.0

1.03

3,267,587.0

1.03

Total

 

31,805.0

100.00

318,050,396.9

100.00

318,050,396.9

100.00

> 8

Agriculture

46.7

0.56

467,248.7

0.56

467,248.7

0.56

Forest

11.8

0.14

76,423,017.3

91.56

76,423,017.3

91.56

Pasture

7630.5

91.42

0.0

0.00

0.0

0.00

Rangeland

524.9

6.29

5,248,974.9

6.29

5,248,974.9

6.29

Urban

49.2

0.59

492,500.5

0.59

492,500.5

0.59

Water

14.7

0.18

146,910.5

0.18

146,910.5

0.18

Wetland

68.6

0.82

685,933.2

0.82

685,933.2

0.82

Total

 

8346.4

100.00

83,464,585.1

100.00

83,464,585.1

100.00

Total catchment

Agriculture

7228.0

7.81

72,280,365.2

7.81

72,280,365.2

7.81

Forest

220.0

0.24

78,505,363.7

8.48

360,860,672.0

38.99

Pasture

77,874.7

84.14

702,442,664.1

75.89

420,087,355.8

45.39

Rangeland

4179.2

4.51

41,792,261.7

4.51

41,792,261.7

4.51

Urban

605.9

0.65

6,058,943.8

0.65

6,058,943.8

0.65

Water

1052.2

1.14

10,522,251.5

1.14

10,522,251.5

1.14

Wetland

1397.2

1.51

13,971,898.8

1.51

13,971,898.8

1.51

Catchment Total

 

92,557.2

100.00

925,573,748.8

100.00

925,573,748.8

100.00