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Research, Policy and Practice

Table 16 Maximum possible revenue from single-use agricultural systems based on maximum flooded area and three production scenarios (at 1999 market prices)

From: What value for pastoral livelihoods? An economic valuation of development alternatives for ephemeral wetlands in eastern Mauritania

Wetland

Scenario 1 - UM value of actual yield/ha in 1999/2000

Scenario 2 - UM value based on regional average yield of 0.63 t/ha

Scenario 3 - UM value based on projected yield of 0.8 t/ha

Total value UM under multi-use system (from Table 10)

Goungel

17,745,000

28,665,000

36,400,000

44,254,435

Sawana

91,399,100

34,193,250

43,420,000

236,841,085

Tali

19,088,160

39,557,700

50,232,000

315,767,095

Chlim

10,871,640

24,815,700

31,512,000

33,196,955

Boichiche

1,909,440

8,353,800

10,608,000

46,637,584

Tamchekett

N/A

7,534,800

9,568,000

104,705,660

Oum Lellé

N/A

8,804,250

11,180,000

373,101,300

  1. Based on cultivation of the total wetland area using the yields recorded in 1999/2000 (Table 3), the regional average of 0.63 t/ha (Bureau Statistiques Agricoles 1999) and the projected yields at Tamourt Goungel after development by project PGRNP (PGRNP/MDRE 1999)