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Floristic composition of a floodplain forest in the Anavilhanas archipelago, Brazilian Amazonia

MPG-Autoren
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/persons56570

Adis,  Joachim
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 Teresa F.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Volltexte (frei zugänglich)

Parolin_2003b.pdf
(Verlagsversion), 597KB

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Zitation

Parolin, P., Adis, J., Silva, M. F. d., Amaral, I. L. d., Schmidt, L., & Piedade, M. T. F. (2003). Floristic composition of a floodplain forest in the Anavilhanas archipelago, Brazilian Amazonia. Amazoniana, 17(3/4), 399-411.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-DB84-D
Zusammenfassung
The Anavilhanas islands in Central Amazonia form the world's greatest freshwater archipelago. They are covered with floodplain forests which are periodically inundated, by the blackwater of the Rio Negro. Little is known to date about the forest cover, and this study presents a vegetation analysis as a first step towards describing the forest ecosystem of this unique ecosystem. In a plot of 50 x 30 m (0.15 ha), 267 trees were inventoried. Fifty one species belonging to 50 genera of 29 families were determined. The most common family was the Fabaceae, followed by Apocynaceae and Violaceae, both represented by a single species (Tabernaemontana rupicola and Amphirrhox longifolia, respectively). These two species had the highest number of individuals. The canopy structure showed three layers, the densest being at 5-8 m, the second at 14-19 m, and the third at 25-33 m. The vegetation in the study area contains tree species which are characteristic of the 'seasonal igapo', but also of whitewater floodplains and/or non-flooded terra firme. The analysed forest plot represents a mature stage of blackwater floodplain forest with a high number of species which have a wide distribution and an ample range of ecological requirements, and a low degree of local endemism