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Zeitschriftenartikel

Wood specific gravity of trees in Amazonian white-water forests in relation to flooding

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons57006

Wittmann,  Florian
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/persons56922

Schöngart,  Jochen
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/persons56855

Parolin,  Pia
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/persons57013

Worbes,  Martin
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/persons56859

Piedade,  Maria T. F.
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,  Wolfgang J.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Zitation

Wittmann, F., Schöngart, J., Parolin, P., Worbes, M., Piedade, M. T. F., & Junk, W. J. (2006). Wood specific gravity of trees in Amazonian white-water forests in relation to flooding. IAWA Journal, 27(3), 255-266.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-D910-3
Zusammenfassung
Wood specific gravity (SG) was analysed from wood cores of 180 individuals belonging to 58 common upper canopy tree species of late successional white water (várzea) forests in the Mamirauá Sustainable Development Reserve, Central Amazon Basin. We tested for a SG gradient of trees along the flood gradient. Mean SG in the low várzea was 0.62 g cm-3, in the high várzea 0.57 g cm-3. SG tended to increase with height and duration of flooding. In the two species that occurred in both forest types (Hevea spruceana, Tabebuia barbata) SG was significantly lower in the high várzea trees. Therefore, height and duration of flooding seem to be important factors influencing growth and wood properties in várzea trees. In addition, SG variation depended on the core section and to a lesser extent on tree diameter and height. Compared to trees in Amazonian upland ecosystems, SG of the várzea trees was lower than SG in Central and Eastern Amazonian terra firma, but was within the same range reported for Western Amazonian terra firma.