Table 1 Annual mass (Mg year−1) and percentage (in parenthesis) of potentially toxic metal excreted by breeding birds and chicks in the colonies by seabird groups.
From: Global deposition of potentially toxic metals via faecal material in seabird colonies
Seabird order | Breeding birds and chicks (millions) | Cd | Hg | Pb |
|---|---|---|---|---|
Mg year−1 (%) | ||||
Charadriiformes | 267 | 21.7 (55.2) | 0.79 (2.2) | 22.2 (81.4) |
Pelecaniformes | 29 | 3.71 (9.4) | 25.8 (72.4) | 1.01 (3.7) |
Procellariiformes | 391 | 8.47 (21.5) | 8.19 (22.9) | 1.58 (5.8) |
Sphenisciformes | 58 | 5.4 (13.8) | 0.87 (2.4) | 2.48 (9.1) |
Total | 745 | 39.3 | 35.7 | 27.2 |
