Blue Carbon Financing of Mangrove Conservation in the Abidjan Convention Region: A Feasibility Study

Senegal

120,000

Mangrove area – year 0

328.20

C density top m of soil (Mg/ha)

85.90

C density of above + below ground biomass (Mg/ha)

$169

Above ground land value (US$/ha)

Years (end of)

Present value

1

2

3

20

119,160

118,320

117,492

104,266

Area of Blue Carbon (ha)

840

828

822

730

Area lost (ha) @0.7%/yr

275,688

271,828

269,926

239,542

Soil carbon exposed (Mg)

13,784

27,376

40,872

256,380

Soil carbon cumulative loss (Mg)

72,156

71,146

70,648

62,695

Biomass carbon lost (Mg)

85,940

98,522

111,520

319,075

Total C emitted (Mg)

87,528

100,087

113,074

320,455

Carbon benefit of conservation (Mg)

$25,598,924

$262,584

$300,261

$339,223

$961,365

C value at US$ 3/tCO 2 e, 5%

$42,664,874

$437,640

$500,435

$565,372

$1,602,275

C value at US$ 5/tCO 2 e, 5%

$19,012,051

$262,584

$300,261

$339,223

$961,365

C value at US$ 3/tCO 2 e, 8%

$31,686,752

$437,640

$500,435

$565,372

$1,602,275

C value at US$ 5/tCO 2 e, 8%

$335,170

$21,840

$22,374

$23,052

$33,870

Cost to conserve ($25/ha estab., US$ 1/yr), 5%

$2,907,439

$200,760

$203,829

$208,241

$278,693

Cost to conserve ($232/ha estab., US$ 7/yr), 5%

$258,604

$21,840

$22,374

$23,052

$33,870

Cost to conserve ($25/ha estab., US$ 1/yr), 8%

$2,255,130

$200,760

$203,829

$208,241

$278,693

Cost to conserve ($232/ha estab., US$ 7/yr), 8%

$15,024,767

$141,792

$281,599

$420,427

$2,637,231

Opportunity cost, 5%

$10,714,036

$141,792

$281,599

$420,427

$2,637,231

Opportunity cost, 8%

High carbon price

Low carbon price

Net Benefit of Conservation (million US$)

8%

8%

5%

5%

$20.7

$8.0

$27.3

$10.2

Low cost of conservation

$18.7

$6.0

$24.7

$7.7

High cost of conservation

54