124 A case study of garcinia kola nut production-to-consumption systemTable 4.Crude estimates of per capita incomes within the J4 area of Omo Forest ReserveFor comparison, national average monthly per capita income in 1996–97 ranged from N189 (US$2) to N495 (US$4.6); in December 2000, it ranged fromN2,000 (US$20) to N10,000 (US$100). Exchange rate in 1996–97: US$1 = N85; in December 2000: US$1 = N100.Source: Field survey 2000.OsokoAbekuAberuOloojiMile 1Idi-EgunFowowaMeanMonthly2,000–3,5002,000–3,0001,500–2,0002,500–3,7002,000–2,5002,000–3,5003,000–3,5002,142–3,100per capita(20–35)(20–30)(15–20)(25–37)(20–25)(20–35)(30–35)(21.42–31)income, in N (US$)Persons per4–103–104–143–102–103–72–123–10householdAverage income6,0007,0005,0008,4004,0006,0005,0005,914.3 (59.14)monthly(60)(70)(50)(84)(40)(60)(50)from all sources,per capita in N (US$)Average daily200200250200300200300236labour rate(2.00)(2.00)(2.50)(2.00)(3.00)(2.00)(3.00)(2.36)at 15 man-days/ha(weeding),in N (US$)07garcinia.p65 124 22/12/2004, 11:04