Table 1 Global Benefits of Mangroves in Averted Flooding and Damages.

From: The Global Flood Protection Benefits of Mangroves

 

Land flooded (x1000 km2)

People affected (million)

Property loss ($US billion)

With

Without

Benefit

With

Without

Benefit

With

Without

Benefit

Annual Expected

122

157

35

53

68

15

732

797

65

10-yr

176

221

45

82

103

21

1200

1293

93

25-yr

209

262

53

107

129

22

1558

1662

104

50-yr

249

318

69

138

166

28

1953

2092

139

100-yr

326

423

97

192

229

37

2714

2984

270

  1. Values are the flooded land and people and damages to property with and without mangroves annually and for catastrophic events. The difference in flooding and damages is the benefit provided by mangroves. The catastrophic events are, for example, the storm event with a 1 in 10-yr return period (“10-yr”).
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