Table 4. Proportion of interviewed farmers cultivating bananas, citrus, and coca, or ranching in the three communities investigated; and forest clearance statistics for all land parcels in the same communities. Interview data have been aggregated in 5-year intervals and related to the inter-image statistics. un = denotes uncertain data due to less reliable recall by farmers interviewed.


Community Time Major activities
(% of interviewees)
Satellite image interval Average clearance rates
(ha yr-1)
Average plot area
Coca Banana Citrus Community Plot SD
I 1960–1965 Un Un Un
1966–1970 Un Un Un 1963–1966 83.40 1.13 0.47 3.38
1971–1975 Un Un Un
1976–1980 0.00 50.00 0.00 1966–1975 63.92 0.71 0.40 9.88
1981–1985 0.00 57.14 7.14 1975–1986 43.46 0.48 0.36 14.55
1986–1990 21.43 50.00 14.29 1987–1993 -16.88 -0.2 0.36 12.18
1991–1995 28.57 50.00 14.29 1994–1996 30.98 0.32 0.54 13.12
1996–2000 21.43 57.14 35.71 1997–2000 -44.32 -0.45 0.63 11.33
2001–2003 7.14 78.57 71.43 ? ? ?
II Coca Pasture
1971–1975 Un Un 1972–1975 17.68 2.53 1.53 12.56
1976–1980 Un Un 1976–1983 1.24 0.18 0.27 13.82
1981–1985 37.50 6.25 1983–1986 167.57 1.86 1.34 6.29
1986–1990 62.50 50.00 1987–1993 108.41 1.19 0.76 13.45
1991–1995 31.25 75.00 1994–1996 111.65 1.21 1.11 18.32
1996–2000 18.75 93.75 1997–2000 39.83 0.47 1.42 20.21
2001–2003 12.50 93.75 ? ?
Coca Banana
III 1981–1985 23.08 0.00 1983–1986 58.8 0.93 0.49 2.80
1986–1990 84.62 23.08 1987–1993 8.20 0.14 0.21 3.80
1991–1995 61.54 53.85 1994–1996 34.71 0.55 0.39 5.48
1996–2000 38.46 84.62 1997–2000 57.50 0.92 0.52 9.16
2001–2003 38.46 92.31 ? ? ?