New Allometric Equations to Support Sustainable Plantation Management of Rosewood (Aniba rosaeodora Ducke) in the Central Amazon

Autor(es)

Krainovic, Pedro ^[1] ; Almeida, Danilo ^[2] ; Sampaio, Paulo ^[1]

Afiliação do(s) autor(es)

^[1] Natl Inst Amazonian Res INPA, BR-69067001 Manaus, Amazonas - Brazil

^[2] Univ Sao Paulo, Dept Forest Sci, BR-03178200 Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: FORESTS; v. 8, n. 9 SEP 2017.
• Citações Web of Science: 5

Resumo

Rosewood (Aniba rosaeodora Ducke) is an endangered Amazonian tree species which produces one of the most valuable essential oils in the world. The species is used in silvicultural systems which are seen as a means to reducing the pressure of exploitation of natural rosewood populations. There are no specific equations for rosewood plantations, and therefore generalized equations are inappropriate for the species in commercial systems. This study presents allometric equations from 144 trees sampled in different rosewood plantations of Central Amazonia. The equations generated were compared with an equation used in forest management to estimate wood volume and another one recommended by law for rosewood biomass. The equation suggested by current legislation underestimates the actual values by more than 70% making the viable use of this equation impossible in commercial plantations. The equations generated to estimate the volume and biomass serve as an alternative to the need to develop specific equations for each area and age of the plant. The generic equation for the species is consistent for fresh mass management, with a generalized R-2 of 0.80 and an underestimation of 0.33%. The equation for crown fresh mass estimation presented a generalized R2 of 0.32 and an underestimation of 0.24%. The underestimation of the mass production by rosewood plantations represents a serious impediment to this forest activity. The allometric equations developed are highly applicable under different conditions and management options and should be suggested by the legal provisions regulating rosewood-related activity in Central Amazonia. (AU)

• Processo FAPESP: 16/05219-9 - Monitoramento de programas de restauração de paisagens florestais por meio de sensoriamento remoto LiDAR.
• Beneficiário: Danilo Roberti Alves de Almeida
• Modalidade de apoio: Bolsas no Brasil - Doutorado