Genetic and ecological aspects of nonwood forest product exploitation in two western Amazonian settlements - Kageyama, Paulo Yoshio; Caron, Dálcio; Mendes, Flávio Bertin Gandara; Martins, K.; Wadt, L. H. O.; Lacerda, C. M. B. de; Boufleuer, N. T.; Ribas, L. A.; Moreno, A. M.; Ferraz, E. M. (Challenges in managing forest genetic resources for livelihoods: examples from Argentina and Brazil, 2004)