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Modeling potential impacts of planting palms or tree in small holder fruit plantations on ecohydrological processes in the Central Amazon

MPG-Autoren
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Kunert,  Norbert
Tree Assimilation and Carbon Allocation, Dr. N. Kunert, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society;

Externe Ressourcen

http://dx.doi.org/10.3390/f6082530
(Verlagsversion)

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Zitation

Kunert, N., Aparecido, L. M. T., Barros, P., & Higuchi, N. (2015). Modeling potential impacts of planting palms or tree in small holder fruit plantations on ecohydrological processes in the Central Amazon. Forests, 6(8), 2530-2544. doi:10.3390/f6082530.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0028-15AB-3
Zusammenfassung
Native fruiting plants are widely cultivated in the Amazon, but little information on their water use characteristics can be found in the literature. To explore the potential impacts of plantations on local to regional water balance, we studied plant water use characteristics of two native fruit plants commonly occurring in the Amazon region. The study was conducted in a mixed fruit plantation containing a dicot tree species (Cupuaçu, Theobroma grandiflorum) and a monocot palm species (Açai, Euterpe oleracea) close to the city of Manaus, in the Central Amazon. Scaling from sap flux measurements, palms had a 3.5-fold higher water consumption compared to trees with a similar diameter. Despite the high transpiration rates of the palms, our plantation had only one third of the potential water recycling capacity of natural forests in the area. Converting natural forest into such plantations will thus result in significantly higher runoff rates.