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Total Economic Value of Maasai Mau, Trans Mara and Eastern Mau ...

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Appendix 9: <strong>Economic</strong> values <strong>of</strong> forest watershed functionsStudy Watershed function valued Results ($/ha per year)Ammour et al. (2000), Prevention <strong>of</strong> soil erosion. NegligibleGuatemala forestPrevention <strong>of</strong> nutrient loss. 12–30Nutrients in aerial biomassvalued at fertilizer prices.Kumari (1996), Malaysian Protection <strong>of</strong> irrigation water 15forestfor crops.Protection <strong>of</strong> domestic water 0supplies. <strong>Value</strong>d at treatmentcost for improved qualityYaron (2001), Mt.Flood protection valued at 0–24Camerounvalue <strong>of</strong> avoidable crop <strong>and</strong> treelosses.Pattanayak <strong>and</strong> Kramer Drought mitigation from forest 3–35 per household(2001), <strong>Eastern</strong> Indonesia protection <strong>and</strong> regrowth.Bann (1998), Turkey Soil erosion valued by46replacement cost <strong>of</strong> nutrients.Adger et al. (1995), Mexico Sedimentation effects on Negligibleinfrastructure.Hodgson <strong>and</strong> Dixon (1988),PhilippinesFisheries protection fromavoided logging.268Anon (2001), VenezuelaAvoided sedimentation <strong>of</strong>hydro-reservoir.Urban water supply.Protection <strong>of</strong> irrigation.Source: Secretariat <strong>of</strong> the Convention on Biodiversity (2001).14–216–131–691

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