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) |