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Sapwood area in seven common tree species of Central Amazon floodplains

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons56855

Parolin,  P.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons56833

Müller,  E.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons56754

Junk,  W. J.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Zitation

Parolin, P., Müller, E., & Junk, W. J. (2008). Sapwood area in seven common tree species of Central Amazon floodplains. Pesquisas, Botânica, 59, 277-286.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-D718-1
Zusammenfassung
The sapwood area of seven common tree species in Amazonian floodplains (Albizia multiflora, Crateva benthamii, Laetia corymbulosa, Nectandra amazonum, Pseudobombax munguba, Tabebuia barbata, Vitex cymosa) was analysed in field measurements. A borehole was inserted in the stem on two opposite positions and filled with pigment dye crimson red by syringe. After one hour a core sample was extracted with an increment borer exactly 10 cm above the point of injection. Tree diameter and the length of the core sample coloured red were measured, and the total sapwood area of the individual was calculated. A total of 138 trees was sampled, with 14 to 30 individuals per species. Mean sapwood area ranged from 73 cm² in Crateva benthamii to 139 cm² in Pseudobombax munguba. There was no significant difference between the average sapwood area in the deciduous and the evergreen species. Correlations between sapwood area and stem diameter were high in all species with the exception of Laetia corymbulosa.