Table 2 Calculated ESVs (million USD yr-1) derived from five unit values within the period 1975–2020.

From: Significant reduction of carbon stocks and changes of ecosystem service valuation of Indian Sundarban

LULC classes

Unit values

Million USD ya-1

1975

%

2000

%

2020

%

Waterbody (lakes/rivers)

C97a

2530.50

46.76

2748.31

49.87

2877.03

54.05

C97b

3492.01

46.76

3792.59

49.87

3970.22

54.05

C11

3725.77

6.11

4046.47

6.86

4235.99

7.99

D12

1270.61

2.18

1379.98

2.46

1444.61

2.89

X8

2494.72

49.24

2709.46

52.56

2836.35

55.93

Mean

2702.72

 

2935.36

 

3072.84

 

Settlement/build-up area

C97a

0.00

0.00

0.00

0.00

0.00

0.00

C97b

0.00

0.00

0.00

0.00

0.00

0.00

C11

54.39

0.09

157.66

0.27

244.56

0.46

D12

0.00

0.00

0.00

0.00

0.00

0.00

X8

0.00

0.00

0.00

0.00

0.00

0.00

Mean

54.36

 

157.66

 

244.56

 

Cropland

C97a

30.35

0.56

28.03

0.51

26.78

0.50

C97b

41.57

0.56

38.38

0.50

36.67

0.50

C11

1836.65

3.01

1695.84

2.88

1620.32

3.06

D12

1836.65

3.15

1695.84

3.02

1620.32

3.25

X8

481.49

9.50

444.58

8.62

424.78

8.38

Mean

845.34

 

780.53

 

745.77

 

Mangrove forest

C97a

2843.13

52.53

2727.88

49.49

2408.12

45.24

C97b

3923.46

52.54

3764.42

49.50

3323.16

45.24

C11

55,167.22

90.54

52,930.96

89.77

46,726.44

88.12

D12

55,167.79

94.51

52,931.51

94.36

46,726.92

93.58

X8

2014.71

39.77

1933.05

37.50

1706.46

33.65

Mean

23,823.26

 

22,857.56

 

20,178.22

 

Sparse forest/open forest

C97a

8.12

0.15

7.26

0.13

11.17

0.21

C97b

11.23

0.15

10.05

0.13

15.46

0.21

C11

145.79

0.24

130.37

0.22

200.66

0.38

D12

100.47

0.17

89.85

0.16

138.28

0.28

X8

75.44

1.49

67.47

1.31

103.84

2.05

Mean

68.21

 

61.00

 

93.88

 

Fallow land

C97a

0.00

0.00

0.00

0.00

0.00

0.00

C97b

0.00

0.00

0.00

0.00

0.00

0.00

C11

0.00

0.00

0.00

0.00

0.00

0.00

D12

0.00

0.00

0.00

0.00

0.00

0.00

X8

0.00

0.00

0.00

0.00

0.00

0.00

Mean

0.00

 

0.00

 

0.00

 

Total value

C97a

5412.10

 

5511.48

 

5323.10

 

C97b

7468.28

 

7605.44

 

7345.51

 

C11

60,929.82

 

58,961.30

 

53,027.96

 

D12

58,375.52

 

56,097.17

 

49,930.13

 

X8

5066.37

 

5154.54

 

5071.43

 

Mean

27,450.42

 

26,665.99

 

24,139.63