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

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Appendix 2: Calculations for direct use values by households1.1 Firewood: Using the residual valueThe household surveys carried out showed that on average sample households used277 headlots <strong>of</strong> firewood per year. The amount collected was more than double that <strong>of</strong>other forests blocks because the collections are sold in the vibrant firewood markets inMolo <strong>and</strong> Elburgon. It takes two person hours to collect one headlot; an 8 hour wage isKES 150. The collection costs = (1/8*150 = 38). The local price per headlot is KES 100. Theproportion <strong>of</strong> the households that depended on the forest for firewood was 80%.The annual value <strong>of</strong> firewood extracted = (0.8x277x47802.3x (100-38)= KES 656,765,360.The same is straight from the table: 0.8×277×47802.3x (100-38) = KES 656,765,360.1.2 PolesThe household surveys carried out showed that, on average, sample households used188 construction poles per year. The amount collected was higher for the <strong>Eastern</strong> <strong>Mau</strong>as some <strong>of</strong> the poles were sold to urban traders in Molo <strong>and</strong> Elburgon. It takes 22minutes to collect 1 pole; an 8 hour wage is KES 150. The collection costs = (150×22/8×60=KES 7). The local price per pole is KES 100. The proportion <strong>of</strong> the households thatdepended on the forest for firewood was 60%. The annual value <strong>of</strong> poles extracted =(0.6×188×47802.3x (100-7) = KES 501,465,248.1.3 Timber: Residual costsThe household surveys carried out showed that, on average, sample households used0.06m 3 <strong>of</strong> sawn wood timber per year in <strong>Eastern</strong> <strong>Mau</strong>. Processing 1m 3 <strong>of</strong> sawn wood bypower saw costs KES 9,500. The local price <strong>of</strong> 1m 3 <strong>of</strong> sawn wood is KES 15,700. Theproportion <strong>of</strong> the households that processed sawn wood was 47%. The annual value <strong>of</strong>sawn wood processed from the forest =(0.47X X 0.06X (15700-9500) = KES 7,112,982.1.4 Water for livestockAll the households within 5 km <strong>Eastern</strong> <strong>Mau</strong> all watered their animals from streamsinside or emerging from the forest. The livestock unit equivalent <strong>of</strong> the livestock keptwas 47,802.3. We assumed that each livestock units (LU) consumes 35 litres per day.The water dem<strong>and</strong> per LU per year = 40×365 days/1000 =14.6m 3 . To take the animals tothe river <strong>and</strong> back takes 2 person hours <strong>and</strong> hence the cost = 2/8×150 = KES 38 per day81

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