Table 2 Biogeographic distribution of total N and P excreted by seabird breeders and chicks
From: Seabird colonies as important global drivers in the nitrogen and phosphorus cycles
Region | Total population of breeders and chicks (millions) | Percentage of total seabirds | N excreted (Gg N y−1) | Percentage of total N excreted | P excreted (Gg P y−1) | Percentage of total P excreted |
---|---|---|---|---|---|---|
Antarctica and Southern Ocean | 213 | 26 | 470 | 80 | 79 | 80 |
Greenland and Svalbard | 209 | 26 | 32 | 5.5 | 5.4 | 5.5 |
North America | 73.9 | 9.2 | 7.7 | 1.3 | 1.3 | 1.3 |
Australasia | 95.5 | 12 | 27 | 4.5 | 4.5 | 4.6 |
Pacifica | 106 | 13 | 12 | 2.0 | 1.9 | 2.0 |
Europe | 30.5 | 3.8 | 8.2 | 1.4 | 1.4 | 1.4 |
South America | 12.6 | 1.6 | 11 | 1.9 | 1.8 | 1.9 |
Asia | 40.1 | 5.0 | 8.2 | 1.4 | 1.4 | 1.4 |
Indian Ocean | 12.3 | 1.5 | 2.7 | 0.46 | 0.46 | 0.46 |
Atlantica | 0.31 | 0.04 | 1.1 | 0.19 | 0.18 | 0.18 |
Middle East | 1.23 | 0.15 | 1.6 | 0.28 | 0.28 | 0.28 |
Africa | 6.16 | 0.77 | 5.5 | 0.93 | 0.92 | 0.93 |
Caribbean and Central America | 3.08 | 0.38 | 3.8 | 0.65 | 0.64 | 0.65 |