Table 1 Tropical and global land area and N outputs
From: Prominence of the tropics in the recent rise of global nitrogen pollution
Land area | River DON exports | River DIN exports | Fire emissions | Denitrification emissions | Net harvest exports | Total land N outputs | Total land N outputs, % | |
|---|---|---|---|---|---|---|---|---|
Tropics | 51 | 10 | 12 (11–13) | 7 | 36 (27–37) | 52 (42–61) | 117 (107–127) | 48 (46–49) |
Global | 151 | 17 (17–18) | 32 (24–32) | 12 | 96 (73–98) | 86 (76–98) | 242 (217–257) | 100 |
