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

Togo

200

Mangrove area – year 0

314.40

C density top m of soil (Mg/ha)

–

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

$385

Above ground land value (US$/ha)

Years (end of)

Present value

1

2

3

20

199

197

196

174

Area of Blue Carbon (ha)

1

1

1

1

Area lost (ha) @0.7%/yr

440

434

431

382

Soil carbon exposed (Mg)

22

44

65

409

Soil carbon cumulative loss (Mg)

0

0

0

0

Biomass carbon lost (Mg)

22

44

65

409

Total C emitted (Mg)

25

46

68

412

Carbon benefit of conservation (Mg)

$26,017

$74

$139

$204

$1,235

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

$43,362

$123

$232

$339

$2,058

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

$18,580

$74

$139

$204

$1,235

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

$30,966

$123

$232

$339

$2,058

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

$559

$36

$37

$38

$56

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

$4,846

$335

$340

$347

$464

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

$431

$36

$37

$38

$56

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

$3,759

$335

$340

$347

$464

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

$57,055

$538

$1,069

$1,597

$10,015

Opportunity cost, 5%

$40,685

$538

$1,069

$1,597

$10,015

Opportunity cost, 8%

High carbon price

Low carbon price

Net Benefit of Conservation (million US$)

8%

8%

5%

5%

($0.0)

($0.0)

($0.0)

($0.0)

Low cost of conservation

($0.0)

($0.0)

($0.0)

($0.0)

High cost of conservation

65