Table 1. Yield and net revenues of coffee systems in Indonesia depending on the distance to adjacent forest patches. All monetary values are in USD.
| | | |
|
Distance
|
Yield
|
Gross revenues
|
Costs
|
Net revenues
|
|
|
|
|
|
(m)
|
(%)†
|
(kg/ha)‡
|
($/ha)
|
($/ha)
|
($/ha)
|
| |
|
0
|
100
|
269
|
129
|
29
|
100
|
|
100
|
87
|
235
|
113
|
26
|
87
|
|
200
|
82
|
221
|
106
|
25
|
81
|
|
300
|
79
|
211
|
101
|
24
|
77
|
|
400
|
75
|
203
|
97
|
23
|
74
|
|
500
|
73
|
196
|
94
|
22
|
71
|
|
600
|
70
|
189
|
91
|
22
|
69
|
|
700
|
68
|
184
|
88
|
21
|
67
|
|
800
|
66
|
178
|
86
|
21
|
65
|
|
900
|
64
|
173
|
83
|
20
|
63
|
|
1000
|
63
|
169
|
81
|
20
|
61
|
|
1100
|
61
|
164
|
79
|
20
|
59
|
|
1200
|
60
|
160
|
77
|
19
|
58
|
|
1300
|
58
|
156
|
75
|
19
|
56
|
|
1400
|
57
|
153
|
73
|
19
|
55
|
|
1500
|
55
|
149
|
72
|
18
|
53
|
|
% change (0–1500 m)
|
–45
|
–45
|
–45
|
–38
|
–47
|
| | |
†Data based on Klein et al. 2003 and our results concerning berry weight (see Fig. 1). A yield of 100% is reflected by a combination of maximum fruit set (85.22%) and berry weight (1.65 g/berry).
‡Cleaned and dried coffee beans.
|