Abstract
Abstract Sapelli (Entandrophragma cylindricum) and tali (Erythrophleum suaveolens) are among the most important timber species harvested from Congo Basin forests. They also host edible caterpillars, Imbrasia oyemensis and Cirina forda, respectively, which are important to the nutrition and income of rural and urban populations. This study evaluated the density of these tree species within a 10 km radius around each of 4 villages and in the 2012 annual cutting areas of two timber concessions in the region of Kisangani (DRC). Sapelli and tali trees ≥20 cm dbh and their stumps were identified and measured on 21 five ha plots around each village and 20 five ha plots on each concession. Around villages and on concessions, sapelli trees occurred at densities of 0.048 ± 0.008 harvestable trees (≥80 cm dbh) ha−1 and 0.135 ± 0.019 precommercial trees ha−1. Harvestable tali trees (≥60 cm dbh) were seven times more abundant at 0.347 ± 0.032 ha−1, while precommercial tali trees occurred at densities of 0.329 ± 0.033 trees ha−1. Between 25% and 40% of the harvestable sapelli trees had been logged as compared to
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