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Research, Policy and Practice

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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)