Table 1 Marine, mangrove and terrestrial organic carbon (OC) contribution to OC in estuarine and marine mangrove sediments in different continent where data were collected, N is the number of observations in each continent

From: A global assessment of mangrove soil organic carbon sources and implications for blue carbon credit

  

Estuarine mangroves

 

Marine mangroves

 

N

Marine OC (%)

Mangrove OC (%)

Terrestrial OC (%)

N

Marine OC (%)

Mangrove OC (%)

Oceania

8

17.3 (15.8 ~ 34.8)

41.4 (29.6 ~ 45.7)

41.3 (28.9 ~ 49.2)

40

40.4 (27.1 ~ 68.3)

59.6 (31.7 ~ 72.9)

East Asia

54

25.9 (14.6 ~ 45.5)

40.5 (15.5 ~ 68.9)

33.6 (16.5 ~ 61.7)

16

36.6 (12.6 ~ 56.2)

63.4 (43.8 ~ 87.4)

West Asia

0

   

10

46.9 (26.7 ~ 87.0)

53.1 (13.0 ~ 73.3)

South Asia

52

24.3 (11.9 ~ 41.8)

48.7 (18.6 ~ 74.3)

26.9 (13.8 ~ 42.6)

13

64.3 (27.2 ~ 91.1)

35.7 (8.90 ~ 72.8)

Southeast Asia

28

21.0 (11.9 ~ 43.3)

53.2 (23.3 ~ 74.1)

25.8 (14.0 ~ 45.4)

78

34.0 (7.80 ~ 61.6)

66.0 (38.4 ~ 92.2)

East Africa

2

20.6 (17.8 ~ 23.3)

44.3 (36.4 ~ 52.2)

35.2 (30.0 ~ 40.3)

22

35.1 (18.6 ~ 64.4)

64.9 (35.6 ~ 81.4)

West Africa

2

26.3 (24.3 ~ 28.3)

30.8 (18.4 ~ 43.1)

43.0 (32.6 ~ 53.4)

0

  

South Africa

4

41.8 (36.6 ~ 47.4)

14.7 (13.4 ~ 15.4)

43.6 (37.5 ~ 48.7)

2

26.9 (53.8 ~ 64.3)

73.1 (53.8 ~ 46.2)

North America

3

29.0 (27.9 ~ 30.1)

44.8 (42.5 ~ 46.4)

26.2 (24.7 ~ 27.4)

23

31.4 (8.90 ~ 65.6)

68.6 (34.4 ~ 91.1)

South America

34

13.9 (10.6 ~ 47.0)

57.0 (30.2 ~ 69.3)

29.0 (11.9 ~ 55)

27

32.5 (11.4 ~ 82.1)

67.5 (17.9 ~ 88.6)

  1. Source data are provided as a Source Data file.