Wood ultrastructure of ancient buried logs of Fitzroya cupressoides

The anatomy and ultrastructure of subfossil wood of Fitzroya cupressoides from the late Pleistocene (>50,000 14C years before present) were compared with those of extant F. cupressoides trees from southern Chile, using light microscopy (polarized light and fluorescence), scanning electron mic...

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Autor principal: Castro, M.A
Otros Autores: Roig, F.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2007
Acceso en línea:Registro en Scopus
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100 1 |a Castro, M.A. 
245 1 0 |a Wood ultrastructure of ancient buried logs of Fitzroya cupressoides 
260 |c 2007 
270 1 0 |m Castro, M.A.; Laboratorio de Anatomía Vegetal, DBBE-FCEN, Pab II, (1428) Buenos Aires, Argentina; email: mac@bg.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Creber, G.T., Chaloner, W.G., Influence of environmental factors on the wood structure of living and fossil trees (1984) Bot. Review, 50, pp. 357-448 
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504 |a Lara, A., Villalba, R., A 3620-year temperature record from Fitzroya cupressoides tree rings in southern South America (1993) Science, 260, pp. 1104-1106 
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504 |a Roig, F.A., Comparative wood anatomy of southern South American Cupressaceae (1992) IAWA Bull. n.s, 13, pp. 151-162 
504 |a Roig, F.A., Le Quesne, C., Boninsegna, J.A., Briffa, K.R., Lara, A., Grudd, H., Jones, P.D., Villagrán, C., Midlatitude South American climate variability 50,000 years ago reconstructed from tree rings (2001) Nature, 410, pp. 567-570 
504 |a Roig, F.A., Roig, C., Rabassa, J., Boninsegna, J.A., Fuegian floating tree-ring chronologies from subfossil Nothofagus woods (1996) The Holocene, 6, pp. 469-476 
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520 3 |a The anatomy and ultrastructure of subfossil wood of Fitzroya cupressoides from the late Pleistocene (>50,000 14C years before present) were compared with those of extant F. cupressoides trees from southern Chile, using light microscopy (polarized light and fluorescence), scanning electron microscopy coupled with an energy dispersive X-ray spectroscopy system, and transmission electron microscopy. The ancient wood showed an unchanged gross wood structure, loss of cell wall birefringence, loss of lignin autofluorescence, and a loss of the original microfibrillar pattern. The energy dispersive X-ray spectroscopy analysis indicated higher than normal contents of S, Cl, and Na in subfossil wood. Ultrastructural modifications in the cell wall of the subfossil wood could have important implications for further studies involving isotopic and wood anatomical measurements of ancient wood.  |l eng 
593 |a Laboratorio de Anatomía Vegetal, DBBE-FCEN, Pab II, (1428) Buenos Aires, Argentina 
593 |a Laboratorio de Dendrocronología e Historia Ambiental, IANIGLA-CRICYT, CC 330, (5500) Mendoza, Argentina 
690 1 0 |a CELL WALL ULTRASTRUCTURE 
690 1 0 |a FITZROYA CUPRESSOIDES 
690 1 0 |a PLEISTOCENE SUBFOSSIL WOOD 
690 1 0 |a SEM-EDXA ANALYSIS 
690 1 0 |a TEM 
690 1 0 |a WOOD ANATOMY 
690 1 0 |a FITZROYA CUPRESSOIDES 
700 1 |a Roig, F.A. 
773 0 |d 2007  |g v. 28  |h pp. 125-137  |k n. 2  |p IAWA J.  |x 09281541  |t IAWA Journal 
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