Impactos potenciais da exploração madeireira sobre os produtos do capital natural: Composição e distribuição de produtos e serviços fornecidos por árvores de interesse madeireiro em uma Reserva de Desenvolvimento Sustentável

Abstract

Illegal logging in sustainable development reserves poses a threat to biodiversity conservation, to maintaining the quality of life of local populations and to the supply of ecosystem products and services. Information on the distribution of morphospecies commonly exploited for logging and the possible impacts of logging on some ecosystem products and services contributes to the development of public and economic policies appropriate to the local perspective and to more efficient control operations. We assessed whether the morphospecies exploited by illegal loggers in the Rio Negro Sustainable Development Reserve vary between vegetation associations, with distance from watercourses, and whether the removal of trees of timber interest implies a reduction in non-timber extractive products and availability of cavities in these morphospecies. A total of 1,270 individuals of 38 morphospecies were sampled in three vegetation associations in the western part of the reserve. There was a tendency for commercially valuable morphospecies to be concentrated in forests with more clayey soils (Iwité). The research area is rich in watercourses and the extraction of trees close to streams would have a direct impact on the maintenance and conservation of local water resources, as well as promoting the loss of economic opportunities for the sustainable development of local communities.