Table 9. Characteristics of commercial tree species and Brazil-nut trees† present in 42 sample plots in the two communities. The total area of the sample plots is 1.05 ha. Mean (SD).
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Variable |
Community A (trees/1.05 ha) |
Community B (trees/1.05 ha) |
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Number of commercial species present out of the top 30 most important commercial species in Acre |
27 |
23 |
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Total number of commercial stems present (% of total stems observed) |
123 (19.0) |
152 (27.7) |
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Number of commercial stems of commercial size‡ (% of all commercial stems) |
30 (24.4) |
16 (10.5) |
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Number of Brazil-nut trees present |
11 |
15 |
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Brazil-nut trees of commercial size‡ (% of Brazil-nut trees) |
9 (82.0) |
10 (66.0) |
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Number of old-growth Brazil-nut trees§ (% of Brazil-nut trees) |
6 (55.0) |
2 (13.0) |
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†The Brazil-nut tree is a federally protected species, but is sometimes used in local construction.
‡Diameter at breast height > 50 cm.
§Diameter at breast height > 100 cm.
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