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

Results by country

Nigeria

857,300

Mangrove area – year 0

322.00

C density top m of soil (Mg/ha)

117.70

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

$205

Above ground land value (US$/ha)

Years (end of)

Present value

1

2

3

20

851,299

845,298

839,381

744,897

Area of Blue Carbon (ha)

6,001

5,917

5,876

5,214

Area lost (ha) @0.7%/yr

1,932,354

1,905,301

1,891,964

1,678,998

Soil carbon exposed (Mg)

96,618

191,883

286,481

1,797,021

Soil carbon cumulative loss (Mg)

706,329

696,441

691,566

613,721

Biomass carbon lost (Mg)

802,947

888,324

978,047

2,410,741

Total C emitted (Mg)

814,289

899,507

989,152

2,420,596

Carbon benefit of conservation (Mg)

$205,341,512

$2,442,868

$2,698,521

$2,967,455

$7,261,789

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

$342,235,854

$4,071,446

$4,497,535

$4,945,759

$12,102,982

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

$153,800,970

$2,442,868

$2,698,521

$2,967,455

$7,261,789

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

$256,334,949

$4,071,446

$4,497,535

$4,945,759

$12,102,982

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

$2,394,512

$156,029

$159,845

$164,685

$241,973

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

$20,771,228

$1,434,263

$1,456,191

$1,487,711

$1,991,026

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

$1,847,511

$156,029

$159,845

$164,685

$241,973

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

$16,111,026

$1,434,263

$1,456,191

$1,487,711

$1,991,026

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

$130,358,919

$1,230,226

$2,443,228

$3,647,739

$22,881,321

Opportunity cost, 5%

$92,957,856

$1,230,226

$2,443,228

$3,647,739

$22,881,321

Opportunity cost, 8%

High carbon price

Low carbon price

Net Benefit of Conservation (million US$)

8%

8%

5%

5%

$161.5

$59.0

$209.5

$72.6

Low cost of conservation

$147.3

$44.7

$191.1

$54.2

High cost of conservation

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