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

Cameroon

148,300

Mangrove area – year 0

324.20

C density top m of soil (Mg/ha)

116.30

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

$433

Above ground land value (US$/ha)

Years (end of)

Present value

1

2

3

20

147,262

146,224

145,200

128,856

Area of Blue Carbon (ha)

1,038

1,024

1,016

902

Area lost (ha) @0.7%/yr

336,552

331,840

329,517

292,426

Soil carbon exposed (Mg)

16,828

33,420

49,895

312,981

Soil carbon cumulative loss (Mg)

120,731

119,041

118,208

104,902

Biomass carbon lost (Mg)

137,559

152,460

168,103

417,883

Total C emitted (Mg)

139,521

154,395

170,024

419,588

Carbon benefit of conservation (Mg)

$35,466,647

$418,562

$463,185

$510,072

$1,258,764

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

$59,111,079

$697,603

$771,975

$850,120

$2,097,939

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

$26,551,569

$418,562

$463,185

$510,072

$1,258,764

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

$44,252,615

$697,603

$771,975

$850,120

$2,097,939

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

$414,215

$26,991

$27,651

$28,488

$41,858

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

$3,593,110

$248,106

$251,899

$257,352

$344,418

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

$319,592

$26,991

$27,651

$28,488

$41,858

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

$2,786,965

$248,106

$251,899

$257,352

$344,418

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

$47,608,278

$449,290

$892,289

$1,332,188

$8,356,469

Opportunity cost, 5%

$33,949,065

$449,290

$892,289

$1,332,188

$8,356,469

Opportunity cost, 8%

High carbon price

Low carbon price

Net Benefit of Conservation (million US$)

8%

8%

5%

5%

$10.0

($7.7)

$11.1

($12.6)

Low cost of conservation

$7.5

($10.2)

$7.9

($15.7)

High cost of conservation

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