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

Côte d’Ivoire

3,200

Mangrove area – year 0

321.60

C density top m of soil (Mg/ha)

104.40

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

$283

Above ground land value (US$/ha)

Years (end of)

Present value

1

2

3

20

3,178

3,155

3,133

2,780

Area of Blue Carbon (ha)

22

22

22

19

Area lost (ha) @0.7%/yr

7,204

7,103

7,053

6,259

Soil carbon exposed (Mg)

360

715

1,068

6,699

Soil carbon cumulative loss (Mg)

2,339

2,306

2,290

2,032

Biomass carbon lost (Mg)

2,699

3,021

3,358

8,731

Total C emitted (Mg)

2,741

3,063

3,399

8,768

Carbon benefit of conservation (Mg)

$727,496

$8,223

$9,189

$10,197

$26,304

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

$1,212,493

$13,705

$15,315

$16,996

$43,840

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

$543,234

$8,223

$9,189

$10,197

$26,304

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

$905,389

$13,705

$15,315

$16,996

$43,840

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

$8,938

$582

$597

$615

$903

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

$77,532

$5,354

$5,435

$5,553

$7,432

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

$6,896

$582

$597

$615

$903

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

$60,137

$5,354

$5,435

$5,553

$7,432

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

$671,011

$6,332

$12,576

$18,776

$117,780

Opportunity cost, 5%

$478,493

$6,332

$12,576

$18,776

$117,780

Opportunity cost, 8%

High carbon price

Low carbon price

Net Benefit of Conservation (million US$)

8%

8%

5%

5%

$0.4

$0.1

$0.5

$0.0

Low cost of conservation

$0.4

$0.0

$0.5

($0.0)

High cost of conservation

62