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