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Forests 2017, 8(9), 327; doi:10.3390/f8090327

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

1
National Institute of Amazonian Research—INPA, Manaus 69067-001, Brazil
2
Forest Sciences Department, University of São Paulo—USP, São Paulo 03178-200, Brazil
*
Author to whom correspondence should be addressed.
Received: 14 June 2017 / Revised: 30 August 2017 / Accepted: 2 September 2017 / Published: 4 September 2017
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Abstract

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 R2 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. View Full-Text
Keywords: biomass estimation; species conservation; endangered tree; harvest ways; above-ground mass; crown mass; essential oil; non-timber products silviculture; Amazonia biomass estimation; species conservation; endangered tree; harvest ways; above-ground mass; crown mass; essential oil; non-timber products silviculture; Amazonia
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Krainovic, P.; Almeida, D.; Sampaio, P. New Allometric Equations to Support Sustainable Plantation Management of Rosewood (Aniba rosaeodora Ducke) in the Central Amazon. Forests 2017, 8, 327.

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