Brazil Nut (Bertholletia excelsa, Lecythidaceae) Regeneration in Logging Gaps in the Peruvian Amazon
Table 2
The Brazil nut concession ID, total area (ha) and number and density of Brazil nut trees, and the area (m2) and location (decimal degree) of the logging gaps (3 per concession) are included in this study. Paired understory sites were located a minimum of 50 m from the logging gap, but never more than 200 m.
Brazil nut concession
Productive Brazil nut trees
Unshelled Brazil nut harvest (kg yr−1)*
Gap 1
Gap 2
Gap 3
ID
Area (Ha)
#
Density
Area (m2)
Lat. (S)
Long (W)
Area (m2)
Lat. (S)
Long (W)
Area (m2)
Lat. (S)
Long (W)
1
290.6
174
0.528
6659.8
246
12.142
69.142
223
12.152
69.134
224
12.153
69.136
2
801.5
405
0.505
15525.3
240
12.120
69.151
198
12.119
69.151
200
12.111
69.149
3
932.7
275
0.513
18540.2
201
12.074
69.094
235
12.075
69.094
219
12.072
69.093
4
1083.0
—
—
19617.5
178
12.089
69.048
120
12.092
69.051
160
12.094
69.044
5
749.1
—
—
19110.0
213
12.138
69.081
252
12.138
69.079
227
12.140
69.082
6
765.4
—
—
23085.3
196
12.120
69.014
203
12.119
69.016
182
12.118
69.015
7
279.1
—
—
7289.8
190
12.265
69.036
290
12.265
69.036
182
12.268
69.039
8
1076.4
—
—
31509.1
243
12.234
69.037
220
12.235
69.036
175
12.236
69.036
9
277.5
300
0.995
12194.7
220
12.268
69.043
160
12.268
69.043
201
12.268
69.040
10
715.4
—
—
11909.1
165
12.224
69.047
284
12.233
69.037
175
12.223
69.047
11
191.3
186
0.972
8325.1
221
12.259
69.131
246
12.260
69.132
223
12.260
69.131
12
152.3
256
1.694
—
263
12.268
69.132
250
12.269
69.133
213
12.269
69.134
13
125.8
95
0.752
4454.8
268
12.278
69.128
213
12.278
69.129
230
12.278
69.130
14
654.5
331
0.506
17290.0
244
12.276
69.171
229
12.278
69.171
220
12.273
69.174
15
242.9
119
0.582
4904.9
255
12.297
69.129
244
12.298
69.130
204
12.296
69.129
16
771.4
318
0.412
11760.0
219
12.164
69.273
268
12.162
69.275
225
12.160
69.278
As reported to the POA for the 2010-2011 harvest season.
