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Technological properties of wood from small diameter in an area of forest exploitation of reduced impact in the Tropical Forest

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Abstract

The study characterized the technological properties of eight woods from small-diameter forest species with vast occurrence in the Central Amazon (Amazonas/Brazil), as a potential for indication in a forest exploration plan. Samples were obtained from the managed area, and 24 trees (diameter at breast height ≤ 50 cm) were used in chemical and physical–mechanical determinations. Among the eight species studied, the wood matá-matá yellow (Eschweilera odora) had the highest concentration of extractives and polyphenols (7.08 and 2.63%), while piãozinho (Microdropsis scleroxylon) had the highest lignin content (34.80%). For the physical–mechanical properties, the basic density ranged from 0.56 for ingá-white (Inga alba), and 0.93 g/cm3 for piãozinho, and matá-matá black (Eschweilera truncata) showed the highest static bending stiffness of 17,350 MPa and static bending strength of 173.93 MPa. The multivariate analysis (principal component analysis) indicated the formation of five groups, and the matá-matá black grouping was characterized by higher values of ash, static bending stiffness, and strength. The quality of the wood of the studied species indicates use in the forest industry (structural use, energy, and engineered wood products), where new species can be included in the sustainable forest management of the Amazon.

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Acknowledgements

The authors thank the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—MEC/CAPES (Finance Code 001); the MCTI/CNPq/FAPEAM project “INCT Madeiras da Amazônia” for financial support. Ana Julia O. Godoy for reviewing the English, and José Carlos R Soares critical of text.

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CNS contributed to conceptualization, validation, review and editing, visualization; IAC contributed to conceptualization, methodology, and writing—original draft; RDA contributed to methodology and formal analysis; CCN contributed to formal analysis, writing—original draft, and visualization; JS contributed to supervision and project administration; NH contributed to funding acquisition and visualization.

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Correspondence to Cristiano Souza do Nascimento.

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The authors declare no competing interests.

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Communicated by Thomas Knoke.

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do Nascimento, C.S., de Almeida Cruz, I., do Nascimento, C.C. et al. Technological properties of wood from small diameter in an area of forest exploitation of reduced impact in the Tropical Forest. Eur J Forest Res 142, 1225–1238 (2023). https://doi.org/10.1007/s10342-023-01588-3

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  • DOI: https://doi.org/10.1007/s10342-023-01588-3

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