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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.13 no.2 Manaus Apr. 1983

http://dx.doi.org/10.1590/1809-43921983132471 

NOTAS E COMUNICAÇÕES

NOTAS SOBRE OS DORMENTES DA ESTRADA DE FERRO DO TOCANTINS

Pedro L. B. Lisboa* 

Ubirajara N. Maciel* 

*Museu Paraense Emílio Goeldi (MPEG)

SUMMARY

General observations were made on the durability of wood ties used in the old Tocantins railroad. Nine different timbers were identified, with Itauba (Mezilaurus itauba) showing the greatest durability. Other species that also showed high durability were Acapu (Vouacapoua americana), Macaranduba (Manilkara huberi), Sucupira da-terra-firme (Bowdickia nitida) and Mata-matá (Eschweilera sp.).

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