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Seasonal changes of phenology and photosynthetic CO₂-assimilation of trees in Central Amazonian floodplains

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

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Parolin, P. (2003). Seasonal changes of phenology and photosynthetic CO₂-assimilation of trees in Central Amazonian floodplains. Pesquisas Botânica, 53, 151-162.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-DC45-F
Abstract
In Central Amazonian floodplains (várzea), trees are subjected to periodic flooding. The present study describes seasonal variation of phenology and photosynthetic CO2-assimilation in relation to flooding in six tree species with different growth strategies. Under flooding, leaf senescence increased and photosynthetic assimilation declined. Before the end of flooding, new leaves were flushed and CO2-assimilation rose to values which are comparable to the dry phase over a considerable part of the aquatic phase. No trends were observed relating to different growth strategies in response to periodic flooding