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

Mauritania

40

Mangrove area – year 0

333.50

C density top m of soil (Mg/ha)

–

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

40

39

39

35

Area of Blue Carbon (ha)

0

0

0

0

Area lost (ha) @0.7%/yr

93

92

91

81

Soil carbon exposed (Mg)

5

9

14

87

Soil carbon cumulative loss (Mg)

0

0

0

0

Biomass carbon lost (Mg)

5

9

14

87

Total C emitted (Mg)

5

10

14

87

Carbon benefit of conservation (Mg)

$5,515

$16

$29

$43

$262

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

$9,192

$26

$49

$72

$436

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

$3,938

$16

$29

$43

$262

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

$6,564

$26

$49

$72

$436

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

$112

$7

$7

$8

$11

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

$969

$67

$68

$69

$93

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

$86

$7

$7

$8

$11

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

$752

$67

$68

$69

$93

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

$5,014

$47

$94

$140

$880

Opportunity cost, 5%

$3,576

$47

$94

$140

$880

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

66