Table 1 Estimated total and labile forms of excreted N and P arranged by seabird order
From: Seabird colonies as important global drivers in the nitrogen and phosphorus cycles
Order | Breeding birds and chicks (millions) | Number of species | Total N (Gg N y−1) | Labile N (Gg N y−1) | Total P (Gg P y−1) | Labile P (Gg P y−1) |
---|---|---|---|---|---|---|
Charadriiformes | 291 | 127 | 116 | 9.8 | 19 | 5.1 |
Pelecaniformes | 30 | 53 | 51 | 6.5 | 9 | 1.5 |
Procellariiformes | 424 | 123 | 117 | 21.2 | 20 | 4.3 |
Sphenisciformes | 59 | 17 | 307 | 35.0 | 51 | 10.9 |
TOTAL | 804 | 320 | 591 | 72.5 | 99 | 21.8 |